Electronic Products and Technology October 2012 by Annex Business Media

electronic products and technology -

electronic products and technology

OCTOBER 2012

MEDICAL electronics

MEDICAL

MEDICAL ELECTRONICS

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MEDICAL electronics

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e d i t o r i a l electronic products andtechnology technology electronic products and Volume 34 Number 7

October 2012

Stephen Law Editor 416.510.5208 slaw@ept.ca

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Lazaridis envisions Waterloo as future ‘Quantum Valley’ The official unveiling of the Mike & Ophelia Quantum Nano Centre (QNC) in the heart of the University of Waterloo clearly represents a paradigm shift in the advancement of technology in the coming decades, according to Mike Lazaridis, co-founder and vice-chairman of Research In Motion. Lazaridis, who was assisted in the ribbon cutting ceremony by his wife Ophelia and famous British theoretical physicist Prof. Stephen Hawking, says the educational facility stands to become the Bell Labs of the 21st century. Bell Labs a hive of technological innovation in the early 1960s and laid the groundwork for the success of Silicon Valley. The 285,000-sq.-ft. building will be shared by the Institute of Quantum Computing and the Waterloo Institute for Nanotechnology, each of which will occupy separate halves of the facility. Representing ‘the sum of its people’, the QNC has been specifically designed to encourage collaboration between all scientific disciplines. “There are many institutes of nanotechnology around the world and similarly institutes for quantum computing,” says university president Feridun Hamdullahpur. “They exist in other parts of the world. But to put the two of them together — this is the first of its kind. It doesn’t exist anywhere else in the world.” The state-of-the-art building that cost $160-million, has been built to the demanding standards needed for atomic-scale experiments. That includes precise controls for vibration, electromagnetic interference and temperature. It also makes it the most expensive structure at the university and in this country.

“I predict, the discoveries and innovations of the QNC lead to the creation of companies that will lead to Waterloo Region becoming known as The Quantum Valley,” says Lararidis, who generously donated more than $100-million to the project. Lazaridis, meanwhile, describes the potential applications as “mind-boggling,” citing future developments like “drugs that are targeted at individual cells” and both self-healing and invisible metals. Lazaridis is confident that the detail and precision designed into the facility will be enough to lure the brightest minds in the field to Canada, from academic leaders to student brain trust. “We can’t offer them ocean, beaches or mountains, but we can try and offer them the best environment, the best collaborators, the best equipment that would be conducive to them making the breakthroughs of their lifetime,” Lazaridis said. “One of the best ways to describe this is we’re trying to break the known laws of physics.” “It’s clear to me that this place is special,” Stephen Hawking said during the opening ceremony. “This institution will advance our understanding of matter and movement, illuminating deep mysteries with the light of scientific discovery.” Spawned by imaginative energy and collaborative dreams along with the phenomenal philanthropy of Lazaridis, the future of the Waterloo Region clearly indicates that thinking small is big - and better.

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NEWSWATCH N E W S WATCH NEWSWATCH electronic products and technology • october 2012

element14 launches wireless power microsite

Quantum-Nano Centre unveiled at U of Waterloo

Aiming to accelerate the integration of wireless power solutions in applications such as the latest smart phones, digital cameras and MP3 players, element14 has launched a wireless power microsite in partnership with Texas Instruments, Würth Newark element14 to distribute DEUTSCH line Electronics and Cadsoft EAGLE Newark element14 has become an authorized reseller PCB software. for TE Connectivity’s (TE) recently acquired DEUTSCH With today’s portable devices non-industrial and commercial transportation brand of demanding an increasing amount products. of power, and higher-power batTE, which completed its purchase of DEUTSCH in April teries requiring more advanced 2012, designs and manufactures more than 500,000 control systems, engineers must products that connect and protect the flow of power now consider a number of safety and data inside the products ranging from consumer risks in new and existing designs. electronics, energy and healthcare, to automotive, aeroQi-compliant contact-less charg- space and communication networks. ing, not only meets Wireless Power Consortium specifications, it is an option for any device that is powered by a USB or 5V/19V DC adapters. This microsite also hosts a product RoadTest that will provide selected design engineers with transmitter manager and receiver solutions from TI and Würth plus EAGLE V6 software, at no cost. Those chosen as “RoadTesters” are then asked to post their product evaluations at element14 to benefit their colleagues in the community. Access to discussions, technical support and training videos are also available at http://www.element14.com/wireless-power-solutions

Representing a new era in future innovation in quantum information and nanotechnology The Mike & Ophelia Lazaridis Quantum-Nano Centre (QNC) officially opened its doors within the University of Waterloo last month. “This remarkable new building, unique in the world, will add tremendous new capacity to the University of Waterloo’s global impact in research and discovery,” says Feridun Hamdullahpur, president and vice-chancellor, University of Waterloo. “This is a state-of-the-art research facility where scientists and students from many disciplines will work together towards the next big breakthroughs in science and technology.” Located at the heart of the university campus, the new building is to be shared by the Institute for Quantum Computing (IQC) and the Waterloo Institute for Nanotechnology (WIN), the Delegates cut the ribbon to officially open 285,000-square-foot facility will the Quantum Nano Centre at the University of give researchers the tools and Waterloo. From left are Feridun Hamdullahpur, collaborative opportunities they president and vice-chancellor, University of need to perform groundbreaking Waterloo; Mike and Ophelia Lazaridis; Ontario experiments, investigate new pro- Minister of Training, Colleges and Universities Glen cesses and materials, and build Murray; and Prof. Stephen Hawking. innovative technologies. “Just as the discoveries and innovations at The Bell Labs led to the companies that created Silicon Valley, so will, I predict, the discoveries and innovations of the Quantum-Nano Centre lead to the creation of companies that will lead to Waterloo Region becoming known as The Quantum Valley,” said Mike Lazaridis, whose generous donation of more than $100 million to the project has supported the Centre’s creation. Since 1999, Mr. Lazaridis’ philanthropy and fund-raising efforts have netted more than $600 million towards this vision, including funding for IQC, WIN, QNC and the Perimeter Institute for Theoretical Physics. “This remarkable facility will give Waterloo scientists the cutting-edge tools and collaborative environment needed to make revolutionary breakthroughs in quantum information and nanotechnology,” adds Raymond Laflamme, executive director of the Institute for Quantum Computing. “By harnessing the quantum properties of the nano-scale world, researchers will pioneer new technologies that will change the ways we work, communicate, play and live.” The $160 million building meets the most stringent standards for quantum-scale experiments — precise controls for vibration and temperature, for example — and features a large, six-storey central atrium at the heart of the building surrounded by flexible spaces to encourage interaction and collaboration. “Quantum devices of the future will be built with nano materials, and will be enabled by nanotechnology, making nanotechnology the bridge to quantum,” says Arthur Carty, Executive Director of the Waterloo Institute for Nanotechnology.

Murata unveils ‘smallest’ monolithic ceramic capacitor Japan-based Murata Manufacturing is heralding what it calls the world’s smallest 0201 (0.25 mm x 0.125 mm) monolithic ceramic capacitor. The volume of the new device is approximately 25% of the 0402 sized device (0.4 mm x 0.2 mm), the predominant component used in mainstream electronic design. Monolithic ceramic capacitors are assembled into all kinds of electronic devices and it is said that 400 to 500 of them are used in the latest smartphones. The number of electronic components used in compact mobile devices continues to increase to enable an increasingly greater number of features. The growth in size of mobile devices is not proportional to the increase in number of features, which means that volumetric efficiency is a key factor in product design. This is driving a growing need for ultra-small components that can support high-density mounting.

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Endress+Hauser opens training lab at SAIT

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The wellbeing of industry in Alberta and Canada will be in better hands due to a novel partnership between Endress+Hauser Canada, Burlington ON and SAIT Polytechnic in Calgary. Endress+Hauser Canada, a global leader in measurement instrumentation, services and solutions for industrial process engineering, presented the keys to SAIT faculty in Calgary today for a $1.4 million-dollar high-tech learning facility. The new 1,800 square foot Endress+Hauser Process Lab, located in the new Trades and Technology Complex, will educate approximately 600 students in its inaugural year and will feature over $1.275 million in top-of-the-line equipment. The first students from SAIT’s MacPhail School of Energy will experience the unique training facility in September. Most of the students will go on to embrace careers in instrumentation, chemical, mechanical and electrical engineering and, in particular, in the application of process automation.

Industry golf tourney ‘chips’ in for charity Electronics manufacturing professionals and members of the surface mount electronic industry gathered recently in Bolton ON for the 16th Annual Electronics Manufacturing Industry and Friend Charity Golf Tournament. The event saw a substantial increase in the number of golfers, managing to raise funds for the Shining Through Centre, an organization dedicated to educating children with autism. The cost of running the centre is extremely high and as a result they rely on fund raising efforts as a vital component of their continued success. All proceeds raised from the event will be sent directly to Shinning Through. The charity thanks all who supported the event as players and sponsors, as well as the organizing committee including Jim Schirripa, Henkel Canada; Gus Papastavros, Diverse Electronics; Danny Santoro, HiscoCan; Kathy Gemmill, Microart; Geoff Zacour, SMT Industrial Supply; Kon Akbar, Stentech; and Steve Saito, Henkel Canada.

Simcona hosts annual supplier appreciation golf event

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London-based electronics component distributor, Simcona Electronics of Canada, recently hosted its 19th annual appreciation golf tournament. The event, held at a London-area golf course, featured numerous contests geared to test all skill levels. Simcona would like to thank the following suppliers for their support of the event: ebm Canada, EMT Engineering Sales, Kycon/Millennium Marketing, Matera Technologies and X-Tronics. The winning foursome, shown here, include Carl Candler, Simcona Canada; Marc Iacona, Simcona USA; and Bob Randall, Matera Technologies.

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electronic products and technology • october 2012

Connectors enhance EMI performance, speed data transfer M12x1 X-code Sensor Actor Line of connectors are designed for integration within modern automation solutions where universal communication is necessary for connecting a number of different networks within a single system. Devices are suitable for transmission technology to CAT6A and 500MHz/10 gigabit speeds and are standardized to IEC 610762-109 standards. Devices have four shielded pairs within the small M12 connector frame, and come in standard cable lengths of 1, 2, 5, and 10 meters and an additional female socket option with PC tails for panel mounting. CONEC http://ept.hotims.com/40524-40

Dc-dc converters for pure convection cooling require no fans BAP 236TH Series dc/dc converters generate up to 250W output power. Cooling is by heat-sink fins on the top of the units, as no fans and no attachment to a heat-sinking surface are required. Units can be installed on curved, uneven and non-conductive surfaces, such as plastic, and are suitable on the curved surfaces of vehicles or machine chassis. Units provide headroom and are rated for operation over a -20C to +50C temperature range. ABSOPULSE

Hybrid crystal resonator delivers ± 50PPM tolerance XRCGB-F-N series HCR (Hybrid Crystal Resonator) family, provides ± 50ppm frequency tolerance and is available in the diminutive 2016 package for the specific frequencies of 24, 25, 26, 27, and 30MHz. Device maintains high shock and drive resistance compared to traditional crystals. Product eliminates need to change the board layout as all HCR products can share the same pads of larger crystals (3225 and 2025). MURATA AMERICAS http://ept.hotims.com/40524-43

Signal conditioners record from KTY and Ni temperature sensors 857 Series JUMPFLEX signal conditioners (857-820 KTY and 857-818 Ni) record signals from KTY and Ni temperature sensors, converting them to standard analog signals. The 6mm DIN-rail KTY and Ni devices slot into spacerestricted panels for temperature-sensing within automotive and industrial applications. Offering 2–4-wire sensor connections (switchable), product’s signal transmission error is <0.1% (upper-range value). This precision eliminates recalibration, even after switching ranges. KTY and Ni devices, providing -25C to +70C operating range. WAGO http://ept.hotims.com/40524-44

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Compact power supplies deliver up to 200% peak power ZWS-BP series of compact, open-frame, 150W and 240W single-output ac-dc power supplies have a low profile of 1.46” to 1.65” and compact footprints of 2.95” x 6.3” or 3.31” x 7.09”. Units can provide a peak output power of up to 200%. Units provide a universal 85-264Vac, 47-63Hz input and withstand 3kVac, input-tooutput. Products can operate with a dc input over the range of 120-370Vdc and are available with an output voltage of 24V, 36V or 48Vdc and include an onboard output adjustment potentiometer. TDK-LAMBDA http://ept.hotims.com/40524-42

Durable display for cold, humid climates

Online tool delivers sealed cable solutions Solutionator online tool provides browsers total design flexibility with firm’s AccliMate IP67 and IP68 dust and water sealed cable products. In a few steps, users are able to design a complete sealed assembly from over 350,000 design permutations comprised of mix-and-match options on bundled cable, shell size and material, contact size and quantity, contact placement, wire gauge and keying options. Users are able to design a solution to exact specifications, see real time performance simulations of a design, download a spec sheet and request a free sample or a quote. SAMTEC

Pre-assembly possible with compact filtered ac connector Series 5120 filtered inlet with flexible wire leads eases installation, reduces assembly time and cost. The wire leads for current ratings 1-10A are made with wire size AWG18. For higher current requirements to 15A, a more robust wire size AWG16 is used. Standard lead length is 150mm. Custom wires in various sizes and lengths are available on request. SCHURTER http://ept.hotims.com/40524-46

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Raspberry Pi case has wide cutouts to accommodate potential changes Bud Industries ‘Pi Sandwich’ case for Raspberry Pi Microcomputer is made of two identical halves that fit together. Product has windows on four sides, allowing easy access to ports for keyboard, TV/ video, audio, USB, and LAN connections that need to be accessible when the case is closed. Product has a patented-design in which the windows are oversized to accommodate future versions of the Raspberry Pi board if port locations change or if new ports are added. Without cutting holes in the case, users can use flat cable connectors to attach an LCD screen or keyboard and use I/O ports for various applications. X TRONICS http://ept.hotims.com/40524-47

VFD for tough conditions

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Power Supplies & Cords – Wall Adapters with Interchangeable Plug Option – Desk Top to 200W – Open Frame with PFC – DIN Rails to 960W – LED Drivers – Medical Approvals

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electronic products and technology • october 2012

Semiconductors & ICs Full wave bridge rectifiers packaged in low profile LPDIP

High current LED driver IC is automotive-grade

CBRLD1 series of 1.0 amp, high voltage bridge rectifiers are suitable for applications where high voltage capability, high power density and low package profile are critical design elements. CBRLD1-02 (200V), CBRLD1-04 (400V), CBRLD1-06 (600V), CBRLD1-08 (800V) and CBRLD1-10 (1000V) devices all provide a low leakage current of 10uA at VRRM. The LPDIP package has a 41% lower profile than the SMDIP case, and utilizes 61% less board space. CENTRAL SEMICONDUCTOR http://ept.hotims.com/40524-48

A6268 KLPTR-T Worcester dc-dc converter controller joins existing line of automotive LED driver ICs and provides a programmable constant current output for driving high power LEDs in series. Device operates from a wide input voltage range, making it ideal for start/ stop designs, as well as handling double-battery and load-dump conditions. Product provides a cost-effective solution using an external logic-level MOSFET and minimum additional external components. The maximum LED current is set with a single external sense resistor and can be modified using a current reference input. Direct PWM control is possible via the enable input, which also provides a shutdown mode. ALLEGRO MICROSYSTEMS http://ept.hotims.com/40524-51

RF switch for battery-powered and automotive telematics applications SPDT PE42421 low-power, high-ESD switch is available in miniature SC-70 package. RF switch comes in a 6-lead SC-70 package and provides strong ESD performance of 2 kV on the RFC port, low voltage support down to 1.8V VDD, and low power consumption of 9 microamperes (typ.). Device is suitable for battery-powered portable applications. PEREGRINE SEMICONDUCTOR http://ept.hotims.com/40524-49

Integrated Li-Ion battery charger addresses Next Gen power demands NCP1851 fully programmable Lithium- Ion (Li-Ion) switching battery charger reduces charge time, increases battery life and includes advanced startup features. With 1.6 ampere (A) charging capability, device is sized at 2.2 x 2.55 mm for the latest USB compliant input supplies and large battery capacities and can complete a full charge cycle of a 1650 milli ampere hour (mAh), 4.2 volt (V) Li-Ion battery in 90 minutes. ON SEMICONDUCTOR

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LDO linear voltage regulator provides output voltage rail in 100-mV increments 1-A TPS7A4700 LDO linear regulator is high current, ultra-low noise, low dropout (LDO) voltage regulator that provides less than 4.17-uVrms output noise over the 10-Hz to 100-kHz bandwidth, eliminating the need for expensive and bulky filtering Device enables the setting of any output voltage rail in 100mV increments with simple printed circuit board (pcb) layout changes. This eliminates the need for expensive, high accuracy, external feedback resistors, which saves board area and reduces component count when compared to existing solutions. TEXAS INSTRUMENTS http://ept.hotims.com/40524-52

Volatile DAC delivers 1.8-5.5V wide operating voltage range Volatile MCP47A1 Digital-to-Analog Converter (DAC) is low-power, low-cost and provides a 1.8-5.5V wide operating voltage range. Offered in a 6-pin SC70 package, device provides an extended temperature range of -40 to +125 degrees Celsius. Product’s small SC70 packaging allows for more portable and spaceconstrained consumer applications. MICROCHIP TECHNOLOGY

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600V IGBTs boost power density, increase efficiency

HIGH PoweR

Latest generation Gen7 F family of 600V insulated-gate bipolar transistors (IGBTs) are optimized for motor drive applications operating below 10kHz. Devices employ punchthrough Trench technology to deliver higher power density and the ability to optimize conduction and switching losses for a specific frequency of operation. Devices achieve very low VCE(ON) to improve efficiency with zero temperature coefficient for high efficiency across the entire operating range. Products provide smoother switching to reduce EMI and overshoots, and are short-circuit rated for motor drive applications. INTERNATIONAL RECTIFIER

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NFET pre-driver reduces footprint, increases operating range MLX83203 pre-driver IC deploys EEPROM memory and combined bootstrap and charge pump blocks. Device delivers a flexible pre-driver solution in a space saving, standard, QFN32 5x5 package. Product drives six 250nC NFETS up to 25kHz, while keeping 10V gate voltage down to 7V battery voltage. In line with the needs for such failsafe torque control applications, device provides extensive diagnostics as well as a high speed, low noise amplifier. MELEXIS http://ept.hotims.com/40524-55

Streamline your supply chain with Solid State Manufacturing Solid State Manufacturing offers a wide range of high quality components – competitively priced and delivered when you need them. They include a comprehensive product profile of high power semiconductors in a wide variety of conventional leaded devices and modules. Solid State products are manufactured in world-class facilities to ensure the highest quality. SCR’s Triacs Power Zeners IGBT’s

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Cost-competitive 5-megapixel sensor upgrades imaging, HD video quality OV5648 high-performance, low-cost 5-megapixel CameraChip sensor uses the latest 1.4-micron OmniBSI+ pixel architecture. Device combines a smaller die size with higher quality photography and high definition (HD) video. Device is capable of capturing high quality still images as well as 720p HD video at 60 frames per second (FPS) and 1080p HD video at 30 FPS. Product supports a two-lane MIPI interface and a full-frame, windowed, or binned 10-bit images in RAW RGB format with complete user control over formatting and output transfer. OMNIVISION TECHNOLOGIES http://ept.hotims.com/40524-56

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electronic products and technology • october 2012

Medical Electronics

Driving next-generation

medical devices

By Alix Paultre, director of marketing & communications, GlobTek Inc.

Creating medical electronics that incorporate the latest technology is a challenging proposal today, as the application spaces served extend far beyond the simple diagnostic and electromechanical needs of the past. For example, older technologies gain new life with improved implementation, new technologies move from the fringe to the mainstream, and established tools gain new functionalities to extend their Growth stimulator is just one of usefulness into other application spaces. many medical applications. An example of this can be found in the expanding area of bone-healing elecimprovement in implementation involved tronic treatment devices. Electronic bone the miniaturization of the circuitry, and healing is a technology that has been the addition of battery power to untether around for a while, but has increased the device from the wall. in popularity as electronics technology GlobTek has had a long history creenables increased funcating medical power tionality in significantly systems, and was Many of today's smaller form factors. approached because The need to integrate most manufacturers medical products and advanced functionality want Lithium batterprocedures are now being into a small device also ies, and these prescreates power-manent specific charging infused with electronics agement issues for the demands. In this designer, as a medical example, GlobTek was device not only needs one of four competiquality power, but also regulatory complitors for portable bone-healing systems. ance. Let’s look at the various issues and One type of unit uses pulsed elecfactors involved. tromagnetic field technology. A coil is Aside from the products and procemade a part of the wound dressing or dures that previously did not have and placed directly on the skin to deliver a are now being infused with electronics, fluctuating electromagnetic field to the there are many medical technologies that fracture area. The other type uses capaciwere always electrical in nature that are tive coupling technology, and consists of now being made more useful to both a stimulator module and two electrodes the physician and patient. In the case that treat the fracture site(s) within the of bone-growth technology, the primary range of the generated field. We delivered samples of our medicalgrade wall plug-in power supply along with our Li-Ion Prismatic battery packs for a Class III FDA-compliant, non-invasive bone-growth stimulator and our 6-W medical interchangeable wall plugin power supply 6-W for a non-invasive spine fusion system. The samples exceeded their test requirements, and in the end GlobTek was awarded three out of five products for both projects. Lithium-Ion battery used in What set us apart was how fast and medical applications. flexible we were in providing samples

power iterations so that development time is kept to a minimum.

while remaining cost-efficient, but since this was for a medical application quality was the primary criteria. Our quick turnaround on custom product development is partly due to having engineering centers in both China and the USA, and partly due to our ability to rapidly medically qualify our samples in each of their potential

For more information on medical power systems from GlobTek Inc., go to http://ept.hotims.com/40524-57

A powerful concern in medical device design By Ed Seaman, VP sales, GlobTek Inc.

When you consider that a power supply is essential to electronics, it is amazing that so many designers wait until the end of the design process to design-in their power source. This is especially amazing today given that so much can be gained in system performance and efficiency, regardless the core technology or end product, by properly integrating the power supply into it. This oversight is not peculiar to any type of engineer or product design, but not properly considering the power requirements early on is damaging to your development effort no matter the level of technology involved. The advantages achieved by considering the integration of the power system into a design ahead of time at the board level is pretty obvious, as last-minute changes can be catastrophically expensive. That still doesn’t mean that every engineer will do so, and even those that do may not consider all factors, such as getting rid of device operating heat or ensuring maximum use of available board space. At larger scales the issues do not go away simply because one can use an external power supply. The power supply’s performance and efficiency are still critical factors, as is the interface between the supply and device. Just because the power supply is external doesn’t mean it is immune from size and shape considerations, either. Regulatory approvals and otherenvironment (from moisture to altitude) performance are important as well. This is especially critical to medical device creators working on battery-driven or remotely-powered devices where every facet of the power system must be compliant. The important thing to remember is that taking your product’s power supply into consideration at the beginning of the design process will pay off tremendous dividends in development time and device performance. In addition, getting the power supply vendor involved early ensures the solution will meet all the latest agency requirements, avoiding delays at later stages of development that can kill or significantly increase the cost of a product.

Our GRN Series is Growing! Scan the QR Code for a complete GRN 110 Model List

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2.0” x 3.0” x 1.0” Size

2.5” x 4.25” x 1.0” Size 2.0” Peak x 3.0”Efficiency x 1.0” Size 86% Peak Efficiency >90% GRN 45 & GRN 60Efficiency Series Power Supply <1 Watt <>90% 86% Peak Efficiency Peak No-Load Input Power 0.3 Watt No-Load Input Power For Medical and Industrial applications EN Watt 60601-1 & EN 60950-1 Safety 45 WattEN & EN 60950-1 <1 No-Load Input Power <0.3 Watt No-Load Input Power Multi60601-1 Output: 60 Safety Watt Single Output: 2.5” x 4.25” 1.0” Size & EN 60950-1 2.0” x 3.0” x 1.0” Size GRN 80&Series Power Supply EN 60601-1 EN 60950-1 Safety EN x60601-1 Safety EN 60601-1 EN 60950-1 Safety 2.5” x& 4.25” x 1.0” Size 89% Peak Efficiency <0.3 Watt No-Load Input Power

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87% Peak Efficiency <1 Watt No-Load Input Power

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Check our website EN 60601-1 & EN 60950-1 Safety EN 60601-1at & EN 60950-1 Safety EN 60601-1 & EN 60950-1 Safety for a full list of Up to 90% 90%Peak PeakEfficiency Efficiency EN60950-1 60950-1 Safety Universal (85-264vac) Input • 1-4 Outputs: The NEW GRN Series Power •Supply Up 110 to •EN EN 60601-1 60601-1 && EN Safety ipdpower.com 3.0” x 5.0” x 1.25” Size • EN 61000-6-2 & EN 60601-1-2 EMC Power Supplies with 300 Stewart Road Up to 87 < For Medical and Industrial applications. % Average Efficiency • Multi-Outputs: 1 Watt No-Load Input Power www.ipdpower.com • sales@ipdpower.com Up to 87% Average Efficiency • Multi-Outputs: <1 WattCheck No-Loadour Inputwebsite Power at for a full list of Up to 90% Peak Efficiency • EN 60601-1 & EN 60950-1 Safety Wilkes-Barre, PA 18706 <0.3Watts 570-824-4666 • Fax: 570-824-4843 LightLoad LoadEfficiency Efficiency ••Single-Outputs: WattsNo-Load No-Load Input Power 3rd Edition Approvals. Excellent Light Single-Outputs: <0.3 Input Power Universal (85-264vac) Input •Excellent 1-4 Outputs: Power Supplies with 300 Stewart Up to 87 < % Average Efficiency • Multi-Outputs: 1 Watt No-Load Input Power www.ipdpower.com • sales@ipdpower.com ipdpower.com North AmericaWilkes-Barre, toll free:Road 800.280.2839 • www.norgay.com 3.0” x 5.0” x 1.25” Size • EN 61000-6-2 & EN 60601-1-2 EMC PA 18706 < EN 60601-1 & EN 60950-1 Safety

Watt Single Single Output: 8080Watt Output:

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medical electronics

electronic products and technology • october 2012

Illuminated power entry module integrates a C14 inlet

Dc-dc converters range from .5 to 7000 watts

DD11 series power entry module integrates a C14 inlet, 1- or 2-pole shock-safe fuseholder and switch. The switch is provided as standard with red or green illumination or without illumination. A standard or medical low leakage filter is also available. The fusedrawers for the DD series accept 5 x 20mm fuses. An extra-safe feature prevents users from removing the fusedrawer while the power cord is plugged into the equipment. The medical filter limits leakage current to 5 or 80µA respectively. SCHURTER

Wall Industries dc-dc converters are available ranging from 1/2 watt to 7000 watts. A complete product offering, encapsulated, PC board mount, surface mount, chassis mount air-ventilated enclosed and open frame types. Dc-dc converter options include: UL, cUL, TUV, CE & CB, 2:1; wide input range, 4:1; ultra wide input range; single or multiple output types; remote On/Off (negative or positive logic); remote sense; output trim options. X TRONICS

http://ept.hotims.com/40524-58

Low profile instrumentation grade reed relays stack side-by-side

http://ept.hotims.com/40524-60

CRF series of instrumentation grade reed relays measure 3.4mm high and come equipped with an internal magnetic shield that permits stacking side-by-side without concern for magnetic coupling effects. The space-saving device are suitable for low-profile environments, in both two-dimensional and threedimensional relay matrices. Device has a flat insertion loss curve from dc up to 7GHz, attained by keeping the signal path as short as possible and using an internal coaxial shield with a consistent 50Ohm impedance path. As a result, the CRF Series is optimized notasonly for RF signals, but also10:15 digital Ads of 7.9.12_ep&t 7/26/2012 AM signals Page 1where the skew rates, or effects on the rise time of fast digital pulses, are less than 40 picoseconds through the relay. STANDEX-MEDER ELECTRONICS

Need Power? Think GlobTek! ● ● ● ●

AC/DC Power Batteries and Chargers ITE and Industrial Power Medical Power

FC4L Series of four terminal current sense resistors are now also available in two watt package sizes. Employing a Ni-Cu-Mn resistive element, device provide a built in four-terminal design with two larger electrodes for current management and two smaller electrodes for voltage measurement. This Kelvin type device is designed for automatic insertion and features a metal foil construction, ensuring a very stable Temperature Coefficient of Resistance (TCR). In addition, it provides a tight tolerance (5% at 1 milliohm, 2% at 2 milliohms, and 1% at 3, 5, 10, 25, and 50 milliohms). OHMITE MANUFACTURING http://ept.hotims.com/40524-61

Active PFC power supply delivers medical-grade universal input ME-1200 Series of high power medical ac-dc power supplies include 12V, 15V, 24V, 30V, 36V, 48V and 60Vdc single output. Universal ac input with active power factor corrected (PFC) with high-efficiency up to 93%. Programmable output voltage and current. All models operate between 90–264Vac & 127–370Vdc. Features include +5V/0.5A or +8V/0.3A auxiliary output select by user, forced current sharing in parallel operation, built-in I2C serial data bus, power OK, remote On/Off. POWER SOURCES UNLIMITED http://ept.hotims.com/40524-62

Who needs fans to be cool? So what makes these new 3” x 5” AC-DC power supplies so cool? The simple answer is – very smart thermal management.

p to ith u t e nly! w o ...g s g t t n oli Wa 250 ction co e conv

C400vection A V M with con th i 250W (400W w ) g n a i d ir cool force M F L 250

Other features include: • Both models comply with UL60601-1 3rd edition medical safety standard • Input voltage range 90-264VAC ...with active inrush protection • 12, 24 & 50VDC output options

www.globtek.com

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i 170W (250W w ) g n a i d ir cool force M F L 250

• No fans • No fan controllers • Lower noise • Higher efficiency • Increased reliability

10001891 ISO 9001:2008 Registered

OSD070T0680-29 seven-inch WVGA 800 x RGB X 480 TFT with 500 Nit backlight utilizes long life 40,000 hour LED’s . The RoHS compliant device provides a 250:1 contrast ratio and supports extended operating temperatures from -20C to +70C and storage temperature from -30C to +80C. Suitable for industrial and medical applications with no MOQ’s, five-year production life and extended life LED’s utilized in the BLU. OSD DISPLAYS

C250vection A V M with con th

...and what could this mean for your application?

Call 201.784.1000 to speak to an engineer about your needs, or visit www.globtek.com to learn more.

High bright 7” TFT delivers 40,000 hour backlight

int otpr 5” fo 3” x

Delivering leading edge innovative power solutions for more than 28 years

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Terminal current sense resistors come in two watt packages

• 12 VDC 1A fan supply and auxiliary 5VDC 2A output provided

iency c ffi E l dica e 94% m for oved Appr ications appl

For more information email: sales@murata-ps.com www.murata-ps.com/ac-dc

Instrumentation amplifier combines power efficiency, zero-drift accuracy AD8237 micro-power, zero-drift precision instrumentation amplifier provides a power-efficient solution for precision signal and sensor conditioning at a competitive price. Device provides a low input offset drift ( < 0.3µV/C) and an industry leading input signal range that extends 300mV beyond the supply rails. Combined with a maximum gain error and drift of 0.005% and 0.5ppm/C respectively and CMRR (common-mode rejection ratio) of 114dB, device provides an unmatched level of precision measurement, even at low gain. ANALOG DEVICES http://ept.hotims.com/40524-64

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full online product listings at ept.hotims.com

medical electronics

electronic products and technology • october 2012

SSDs serve capacity, workload requirements of embedded systems

HALT & HASS testing shortens product development time

StorFly solid-state storage (SSD) portfolio includes 1.8 and 2.5-inch SATA, Slim SATA, mSATA and CFast form factors that are specifically designed for embedded systems that have unique capacity and workload requirements. Devices are optimized to meet the storage needs of a diverse range of embedded application form factors and usage models, which differ substantially from storage requirements of client or enterprise applications. Devices provide ruggedness and flexibility, offering extended temperature operation, low power at peak performance and wide range of capacity points. VIRTIUM

HALT (Highly Accelerated Life Testing) and HASS (Highly Accelerated Stress Screening) testing to help shorten new product development time, decrease production and warranty costs and significantly improve product reliability. These accelerated test methods employ stresses significantly higher than field environments to uncover design and process weaknesses. Equipment holds products with a footprint up to 2 x 2 feet and weighing up to 78lbs. Product provides extreme temperature change ramp rates of greater than 90C per minute, and handles temperature ranges from -100 to 200C. CSZ TESTING

http://ept.hotims.com/40524-65

http://ept.hotims.com/40524-69

Multilayer piezo bimorph actuators amplify mechanically Line of co-fired multilayer piezo bimorph actuators achieve a mechanical amplification effect by different layers expanding at different rates. Devices achieve long travel ranges with motion to 2mm and nanometer resolution. Response times are in the millisecond range, important for fast switching or scanning applications. Due to the monolithic design they provide excellent mechanical stability, low operating voltage and can be operated at temperatures to 150C. PHYSIK INSTRUMENTE

Connectors satisfy power, data requirements for medical equipment PwrBlade Series connector handles both power and high-speed data signals, while enabling advanced medication inventory management, patient monitoring and medical record management. The rugged device incorporates a modular design that enables easy upgrades to medical equipment. Robust contact system handles the high force required for plugging and unplugging into a chassis. Device provides molded guideposts on the header to properly engage with receptacles. FCI

http://ept.hotims.com/40524-70

filtered power entry modules packed with functionality

http://ept.hotims.com/40524-66

Materials and converted films protect LCDs, touch screens Flexible materials converting and advanced assembly capabilities, provides expertise in design and production of protective films for LCDs and touch screens of any size or shape from the scrapes and gouges that can accumulate through normal use. The multilayered protective films are created by laminating together a positioning film, a clear protective polyester film, an adhesive, and a liner. The film is applied using a dry wipe process with no wetting, trapped air bubbles or dust, or peeling. The protective films can be precision diecut to meet any size or shape. FABRICO http://ept.hotims.com/40524-67

www.schurterinc.com/new_pems www.schurterinc.com/emc

Wire-to-board plug and sockets simplify termination

DD12 and DD22 integrate a 1- or 2-pole shocksafe fuseholder, switch and standard or medical low leakage filter into one compact pre-wired power entry module.

9159 Series IDC wire-to-board plug and socket connectors facilitate the easy, reliable, and cost-effective termination of 22-24AWG discrete or cabled power and signal wires into standard 9159 Series two-piece connectors systems. Devices carry up to 5A per contact, can function at up to 125C for extended periods and enable co-planar pcb mating, which is characteristic of the pcb arrangement in linear strip lighting used in applications ranging from office lighting to harshenvironment transportation applications. AVX http://ept.hotims.com/40524-68

w w w. e p t . c a

- DD12 panel mount – quick connect terminals - DD22 PCB mount – pcb solder terminals - Ideal for low profile designs, especially 1RU enclosures - current ratings up to 10A @ 250 VAC - switch inrush current up to 100 A - illuminated switch available - shocksafe fuseholder for 5x20mm fuses - qualified acc. IEC 60950 and IEC 60601-1

http://ept.hotims.com/40524-13

http://ept.hotims.com/40524-14

electronic products and technology • october 2012

Test & Measurement

DIFFERENCES in voltage testers

can be SHOCKING By Colin Plastow, industrial product manager, Fluke Electronics Canada Corp.

Walk onto any job site where electricians are working, and you’ll probably see some voltage testers. These handy devices—which often fit in a shirt or pants pocket—are popular because they quickly give an indication of voltage presence. That makes them very useful for general voltage checks, and therefore very popular with electricians. Yet, these devices are not all the same. The differences show up in safety, reliability and convenience. If you were to look at all the voltage testers on the market and note their differences, you’d quickly see they divide into two general categories: solenoid-based testers and electronic testers. Solenoidbased testers have a long tradition—they were the first voltage testers available and are still widely in use today. When voltage passes some threshold, the tester will indicate a voltage is present. Below that threshold, the tester won’t indicate a voltage at all. The thresholds are markedly different between the two categories of testers—and that fact carries important implications for safety and convenience. Let’s compare voltage testers in these two categories more closely, so you can draw your own conclusions about what to have in your toolbox—or what to carry in your pocket.

Solenoid-based voltage testers These devices operate on solenoid principles. A solenoid depends on the movement of a ferrite core referred to as the slug in response to the energization and de-energization of an electromagnetic coil. The indication function of these testers depends on a spring, which drives a mechanical pointer. The spring restrains the slug— which slides to one end of its chamber or the other, depending on whether the coil has enough energy to cause the slug to overcome the opposing force of the spring. The amount of energy required restricts the sensitivity of solenoid-based testers. Most solenoid testers have the ability to measure voltages up to 480 V or more. Having the ability to measure higher voltages limits the capability to detect voltages below about 100 V due to the poor dynamic range of the magnetics, an unfortunate weakness of solenoid testers. Try using one on 24 V or 48 V control circuits, and you may as well be using a stick of wood. An important concern with solenoid-based testers is their relatively low input impedance —10 kilohms at the upper end, but often as low as 1 kilohm. Applying Ohm’s Law, you can see solenoid-based testers can easily make their presence felt in a circuit as loads – and subsequently interfere with the operation of that

New P

ouveau N

oduit Pr

circuit. The relatively high current draw of solenoidbased testers means significantly more heat—enough that the testers can quickly overheat, even to the point of damaging the tester if the voltage is measured a little too long. In fact, you must allow for cooldowns (on the order of half a minute) as you take readings with solenoidbased testers. If your programmable logic controller (PLC) goes down and the plant manager is screaming about production being lost forever, you’re at the mercy of this limitation. Even receptacle testing can become dicey. Of course, you could carry around half a dozen types of testers and rotate them in and out of service—but that defeats one of the reasons for using a small tester to begin with. Solenoid-based testers are generally unable to comply to IEC 61010 due to excessive current draw, poor dielectric withstand performance and impulse destruction due to transients originating from the mains. This is one reason many companies forbid the use of voltage testers in general on anything but 24 V control circuits and some forbid them altogether. In a moment, we’ll look at reasons to reconsider those restrictions, at least for category rated electronic voltage testers. This high current in solenoid- based testers has another downside. Applying Ohm’s Law to the low impedance solenoid-based tester shows that you can easily carry a lethal current through the tester. Wearing insulated gloves can reduce the shock hazard, but, you’ll also be risking an arc hazard each and every time. Yes, there are riskier things you can do than use a solenoid-based tester. But, there are also safer things you can do—such as using an electronic voltage tester, instead.

Electronic voltage testers The first noticeable advantage of electronic voltage testers is their rugged, compact design relative to their old-technology counterparts. Thus, they are easier to carry around and less likely to break. But, these advantages pale beside the significant safety advantages that come from the far higher input impedance of electronic voltage testers. Some of these have an input impedance of one megohm—about 100 times that of the best solenoid-based testers. Even at the low end, you’re looking at 20 kilohms for an electronic voltage tester- still twice as good as the best solenoid-based testers. Simply apply Ohm’s Law, and the advantages become clear. You’re going to be dealing with far less input current. That means more safety. It also means less time—if any—waiting for the instrument to cool between readings. They work at lower voltages, and typically carry an IEC

Electronic testers like the Fluke Tplus vibrate, beep, and glow to indicate voltage, giving you the feel of an old-fashioned solenoid in a safer electronic model.

Category rating – and allow you to troubleshoot a wider range of problems, safer and faster. This higher impedance has a downside: an electronic tester might indicate voltage on a non-energized conductor (e.g. ghost voltages). This can happen when one conductor induces a voltage in another conductor parallel to it. This voltage indication can be a disadvantage by showing a false positive. Then again, it can work to your advantage. For one thing, it won’t lull you into a false sense of safety that an energized conductor is de-energized. Suppose the solenoid- based tester doesn’t show you the 80V sitting on that energized wire, and you grab it -- what then? Differences occur not just in the testers themselves. Nor is the solenoid vs. electronic issue the only one to resolve. Several other considerations are important for your safety and job performance. One mistake people make with test equipment is trying to save a buck on leads and probes. This can be a very expensive ‘cost-savings.’ Cheap and poorly constructed input accessories are prone to failure of the materials that are supposed to protect you. Remember that you usually hold accessories in your hand while conducting measurements. If a failure occurs, the result could be extremely hazardous to you. It is important to maintain quality throughout you measurement tool kit. Choose accessories that are suitable for industrial work, then keep an eye on them for abrasions and other damage that eventually occur with use. This way, you’ll never have to worry about the failure of a test lead or probe—or the consequences thereof. Look for the IEC rating (e.g., CAT II, CAT III or CAT IV) on your tester, and buy leads and other accessories that meet or exceed that rating. Additional features can make your tester a bit more useful. However, these may add weight and cost. If these features are important to you, then consider them when buying a voltage tester. For more information on voltage testers from Fluke Electronics Canada Corp., go to http://ept.hotims.com/40524-71

Mixed domain oscilloscope tackles growing use of inexpensive RF MDO4000 Series of mixed domain oscilloscopes now includes two entry level models with the same features and functionality of the original unit, providing a low price point solution that captures time-correlated analog, digital and RF signals for a complete system view, saving days or even weeks of debug time. MDO4014-3 and MDO4034-3 models provide four analog channels, 16 digital channels and one RF channel. Both offer lower analog bandwidth of 100MHz or 350MHz respectively, sufficient for many embedded designs incorporating RF. RF frequency range for both models extends from 50 kHz to 3 GHz. TEKTRONIX

duct ro

http://ept.hotims.com/40524-72

Clamp-on process meter measures 0-120mA dc safely CL420 Clamp-on process meter safely measures 0-120mA dc process control signals without breaking the loop. Typical application examples include distributed control systems, programmable logic controllers, pressure and temperature transmitters, and loop powered isolators and indicators. Equipped with Dual LCD numeric display and LED torch light, unit provides 0.2% accuracy and 0.01mA resolution from 0-20mA dc. Product delivers mA measurement and % of Span for 4-20 mA. YOKOGAWA http://ept.hotims.com/40524-15

http://ept.hotims.com/40524-73

full online product listings at ept.hotims.com

test & measurement

electronic products and technology • october 2012

DSO units enhance performance to 500MHz bandwidth

Handheld analyzers deliver benchtop accuracy, MIL-spec durability to field

GW Instek GDS-3000 Series 500MHz DSO (GDS3502 with 2 channel inputs) and (GDS-3504 with 4 channels inputs) both carry a high performance of 500MHz bandwidth and 4GS/s sampling (2GSa/s sampling per channel). Besides the uplift of bandwidth and sampling rate specifications, GDS-3502 and GDS-3504 retain all the features of the GDS-3000 Series. The Visual Persistence Oscilloscope (VPO) feature, enabling GDS-3000 to acquire less-frequentlyoccurred signals, now displays more value in capturing higher speed spike or glitch signals over a higher bandwidth testing platform. Like all other members in the family, GDS-3502 and GDS-3504 have the unique Split-screen feature, allowing each input channel to be operated independently with respective setting and waveform display. TRADEPORT ELECTRONICS GROUP

14 FieldFox handheld analyzers deliver benchtop-instrument accuracy in field-test environments. Designed for harsh conditions and hard-to-reach locations, units can be configured as cable-andantenna analyzers, spectrum analyzers, vector network analyzers, or all-in-one combination analyzers. Each compact, 6.6-pound (3.0-kg) package is available in four frequencies: 9, 14, 18 or 26.5 GHz. Unit’s completely sealed enclosure is compliant with U.S. MIL-PRF-28800F Class 2 requirements. Product has a vertical, or ‘portrait’ orientation and large buttons, permitting easy operation. AGILENT

http://ept.hotims.com/40524-74

VTest software enhances scalability, usability, reporting and alarms Release 6.0 Proligent test and quality management software gives product designers and quality managers the ability to quickly mine manufacturing data, uncovering opportunities to accelerate time-to-quality, streamline supply-chain activities and reduce costs. Product includes several key enhancements that provide easier navigation of test and quality data, broader reporting – including RMA and real-time yield monitoring reports – and alarm capabilities for improved root-cause analysis. Software increases scalability and streamlines synchronization to address very large production volumes across multi-site deployments, simplified process-control management. AVERNA http://ept.hotims.com/40524-75

Boundary scan programmer tests CCA for structural integrity

http://ept.hotims.com/40524-78

Light measurement sensor measures relative light intensity LEX-100 Light Measurement Sensor can be used to automate light evaluation processes, monitor light brightness and, when equipped with usersupplied filters, selectively measure specific light colors. Versatile product has a 2-digit display that indicates signal strength, making set-up and integration quick and easy. User set-up parameters include detection threshold and gain adjustment. A 2-meter fiber optic cable with threaded end fitting makes mounting and positioning easy. EMX INDUSTRIES http://ept.hotims.com/40524-79

We built a scope with the lowest noise front end so you can measure the signal, not your instrument.

JTS1000 Universal boundary scan tester and programmer can be utilized as a production run time and application development system for performing circuit card assembly (CCA) structural integrity tests or CCA programming. Packaged within a small footprint, the unit is suitable for both production and field testing. Product utilizes Astronics DME’s Test EZ software suite for automated testing and program development. The standalone benchtop LXI-based system TAPS with up to 256 programmable digital I/O channels JTAG TECHNOLOGIES http://ept.hotims.com/40524-76

Universal wireless set tests volume manufacturing MT8870A Universal Wireless Test Set can handle high volume manufacturing test of all common cellular and short range wireless technologies. The instrument mainframe can contain up to four MU887000A TRX Test modules (10 MHz to 6 GHz). Each module has an integrated Vector Signal Generator (VSA) and Vector Signal Analyzer (VSA) to perform DUT transmitter and receiver tests. Unit that has the MU887000A test module is able to control with an external PC to perform RF testing. ANRITSU

See for yourself www.rohde-schwarz-scopes.com Rohde & Schwarz Canada Inc. Toll free: 1-877-438-2880 Email: sales.rsc@rohde-schwarz.com www.rohde-schwarz.ca

Oscilloscopes • Power Sensors • Multimeters • Frequency Counters • Network Analyzers • Power Meters

Spectrum Analyzers • EMC Precompliance • LCR Bridges & Meters • Power Supplies • ARB Generators

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w w w. e p t . c a

Call 1-877-438-2880 for your Value Instruments Catalog!

test & measurement

electronic products and technology • october 2012

Using social media for product application YouTube videos demonstrate

use of test equipment

By David Norton, marketing, TDK-Lambda Americas Inc.

Today’s test and measurement equipment provides a wealth of features, which allows engineers to perform extensive analysis on their systems. If an engineer or technician is using a piece of test equipment on a frequent basis, it is worth the investment in time (and reduced frustration) to read the manual and get familiar with the equipment’s features, controls and general operation. As the product managers and field application staff at TDK-Lambda have found, using one of our engineering test benches to perform a test on a power supply is no longer a simple task. One is now faced with a bewildering array of buttons and menu driven features on what used to be an ‘easy to operate’ oscilloscope, leading to a plea for help. During internal product training for TDK-Lambda’s new Z+ series of programmable dc power supplies, it quickly became obvious that this product line was going to fall into the same category as the new breed of high tech oscilloscopes. Our previous generation of programmable power supplies, the ZUP, had simi-

lar buttons on the front panel, but their functions were simpler to access. For example, one button was used to set the voltage adjustment range to either coarse or fine. The additional features that are now included in the new Z+ mandated the use of menu-driven programming. Having multiple buttons on the front panel was

New Z+ programmable power supply.

11:48 AM Why not try a different approach before you head to lunch?

1:03 PM Your second board is ready to test.

10:05 AM Your first board is ready to test.

3:14 PM

9:00 AM

After a few tweaks, you’re ready to make your finished board.

Your circuit design is done and you’re ready to make a prototype.

4:09 PM Your finished board is ready to go.

5:00 PM Nice work. You just shaved weeks off your development schedule.

The TDK-Lambda team quickly decided that creating simple, short videos and posting them on our website and YouTube was the answer. Web statistics already showed that most of our videos were viewed on smart phones. This way an engineer could take their phone into the laboratory, start the video and follow the carefully timed steps while programming the Z+ power supply.

The first video produced by TDKLambda explains how to reset the Z+ back to its factory settings. This facilitates the sharing of these power supplies between several users and/or assists those who had initially set the unit incorrectly to modify the settings. Currently 11 videos have been produced and are available at http://www.us.tdk-lambda.com/lp/ products/zplus-series.htm or on YouTube at http://www.youtube.com/ user/tdklambda?feature=results_main For more information on the Z+ programmable power supply from TDK-Lambda Americas, go to http://ept.hotims.com/40524-80

Regenerative battery pack test system delivers charge, discharge mode 17020 Regenerative Battery Pack Test System is a high precision integrated solution, specifically designed for secondary battery module and pack testing. Accurate source and measurement ensure that the test quality is suitable for performing exact, reliable testing. This is crucial for battery module / pack incoming or outgoing inspection, as well as capacity, performance, production and qualification testing. System provides regenerative battery energy discharge, charge/discharge modes, channels paralleled for higher currents and more. CHROMA SYSTEMS SOLUTIONS http://ept.hotims.com/40524-81

Data logger adds 17 I/O channels to the Raspberry Pi

ProtoMat® Benchtop PCB Prototyping Machine What would your day look like tomorrow if you could cut yourself free from the board house and produce true, industrial quality PCBs right at your desk? LPKF’s ProtoMat benchtop prototyping systems are helping thousands of engineers around the world take their development time from days and weeks to minutes and hours. In today’s race to market, it’s like having a time machine.

out of the question, due to the ultra small size of the new Z+ (just 3.27” high x 2.76” wide) compared to its predecessor. The product feature enhancements of the Z+ include the ability to store multiple test sequence programs, preset alarms, OVP and OCP protections, and more. In addition, the user can choose their preferred digital communications interface from a selection that includes RS232, RS485, USB, IEEE & LAN. To make matters a little more complex, turning the unit off to reset any programming mistakes is not possible because one of the main features of the Z+ is the flash based ‘last-setting-memory’. This feature allows the unit to be stored for years, and upon power up, it will remember its previous settings. However, this trait can be disabled if not desired. Since the Z+ power supplies are often used in a laboratory environment they tend to be borrowed by a large number of engineers and technicians. Web downloads of the existing ZUP instruction manual are very high on the monthly TDK-Lambda website statistics. As an analogy, we have all experienced purchasing a new smart phone only to either spend frustrating hours trying to program/operate it or giving up and handing it to your teenager who ends up doing it in seconds. During our group training on the new Z+, one thought crossed our minds – many do-it-yourselfers (DIY) refer to YouTube videos to be reminded of the procedure for changing a faucet, or even how to replace a tail light on a car.

“You can’t beat an LPKF system for prototyping. We do up to three iterations of a design within a day.”

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Leonard Weber Agilent

DrDAQ compact single-board data logger adds 17 I/O channels to the Raspberry Pi. User’s Linux application can have access to a 100kHz oscilloscope, arbitrary waveform generator, 4 digital I/Os (2 with pulse-counting input and PWM output), 24-bit RGB LED, built-in light sensor, temperature sensor, microphone and sound level sensor, resistance measuring input and pH/redox sensor input. There are also 3 inputs for firm’s own sensors or for custom devices that can be constructed. Device requires a single USB connection for power and data. PICO TECHNOLOGY http://ept.hotims.com/40524-82

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full online product listings at ept.hotims.com

test & measurement

electronic products and technology • october 2012

Safety compliance analyzer combines multiple functions in single box

PXI vector signal generator improves switching speed to 10µs

OMNIA II line of Electrical Safety Compliance Analyzers adds five models, including Model 8254 a 4-in-1 unit that performs ac Hipot (500 VA), dc Hipot, 40 Amp ground bond and insulation tesistance testing in a single instrument. All units provide an 800 x 480 Color TFT display simplifying the set-up of test files, results viewing and test performance. Color-coded test steps clearly indicate pass/fail conditions and users can also choose from 4 different color schemes to match their preferences. ASSOCIATED RESEARCH

M9381A 1-MHz to 3- or 6-GHz vector signal generator (VSG) in a PXI form factor combines fast switching, boosts RF parametric performance and provides high output power, linearity and level accuracy. Unit provides adjacent channel power ratio performance (for output levels up to +10 dBm or more) and wide modulation bandwidth (up to 160 MHz) for testing RF devices. AGILENT

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Data decode annotation option complements physical layer views

Medium & high-power transmitters reduce energy costs

SENT Serial data decode annotation option complements physical layer views. The protocol layer is decoded and displayed directly on the physical layer waveform. Various sections of the protocol are color coded making it easy to isolate message frame content. Decode annotation, for both Nibble and Word decode formats, condenses or expands depending on the timebase/ zoom ratio setting. A tool presents the decoded data payload values with choices in offsets and number of nibbles that match the message frame format. The Single Edge Nibble Transmission (SENT) encoding scheme, defined by the SAE J2716 document, is intended for use in automotive applications. TELEDYNE LECROY

TMU9 air-cooled transmitter uses Doherty technology to significantly increase energy efficiency, by as much as 40%. Both medium and high-power units clock in with the top energy efficiency scores. With efficiency of up to 38 percent for COFDM standards, devices reduce energy costs. The mediumpower transmitter achieves output power levels ranging from 570W to 2.85kW for the DVB-T, DVB-H, DVB-T2, ATSC, ATSC Mobile DTV and ISDB-TB standards. ROHDE & SCHWARZ http://ept.hotims.com/40524-88

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Digital infrared video thermometer measures with dual laser OS-VIR50 series of digital infrared video thermometers provide dual laser that indicates suitable measuring distance where the 2 laser points converge to a 25.4 mm (1”) target spot, color LED bargraph for viewing trends, a fast 150 millisecond response time, a type K thermocouple input and trigger lock function for continuous readings. Unit can measure temperatures up to 2200C. The durable housing is doublemolded and it provides adjustable emissivity to increase measurement accuracy for different services, as well as adjustable high/low set points with audible alarm alerts. OMEGA

The World’s First Mixed Domain Oscilloscope MDO4000 Mixed Domain Oscilloscope Time Domain 1

■

4 analog channels ° 500 MHz and 1 GHz bandwidth models

■

16 digital channels

■

1 RF channel ° 50 kHz–3 GHz and 50 kHz–6 GHz frequency range models ° Ultra-wide capture bandwidth up to 3 GHz ° Unique RF analysis tools: automated markers, spectrogram display, RF vs. time traces, advanced RF triggers

■

Parallel bus triggering and analysis, included standard

■

Serial bus triggering and analysis options

■

Built on the award-winning MSO4000B mixed signal oscilloscope platform

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Antenna-integrated clock simplifies synchronization of measurement devices Antenna-integrated PTP Grandmaster clock OTMC 100 provides precise and simple time synchronization of measurement devices via the Precision Time Protocol (PTP) according to IEEE 1588-2008. Product combines the GPS-Antenna, the GPS receiver and the Grandmaster clock in a compact and weatherproof housing. This enables a direct integration of the OTMC 100 Grandmaster Clocks into computer networks without the need of any coaxial RF cabling. OMICRON LAB http://ept.hotims.com/40524-86

Introducing the MDO4000 Series from Tektronix, the revolutionary oscilloscope with a built-in spectrum analyzer. It's more than just a new scope—it will transform the way you test. Capture time-correlated analog, digital and RF signals for a complete system view of your device. See both time and frequency domains in one glance. View the RF spectrum at any point in time to see how it changes. Quickly and efficiently solve the most complicated design issues—with an oscilloscope as integrated as your designs. Two domains. One remarkable scope. Only from Tektronix.

Take a look at how we’ve transformed testing: See the scope in action, analyze the specs and learn more at www.tektronix.com/MDOscope. © 2012 Tektronix. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. TEKTRONIX and the Tektronix logo are registered trademarks of Tektronix. 07/12 EA/ 48W-26880-1

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Frequency Domain

test & measurement

electronic products and technology • october 2012

MDO troubleshooting Using a mixed domain oscilloscope to take wireless system-level debug to the next level By Gina Bonini, worldwide technical marketing manager, Tektronix Inc.

The trend toward integrating wireless radios into a multitude of different products, from livestock tracking tags to smart energy home appliances, is causing a profound change in the responsibilities of engineers as they struggle to incorporate unfamiliar RF technology into their designs. System-level designers frequently find themselves needing to solve problems without equipment capable of performing the full range of required tasks. Designers have historically struggled to make the measurements necessary to design, troubleshoot, and verify systems that contain analog, digital and RF signals. Until recently, no single instrument has been optimized for measuring all of these signal types. That changed last year with the emergence of the mixed domain oscilloscope (MDO) that combines a mixed signal oscilloscope with a modern spectrum analyzer. The key breakthrough provided by the MDO for troubleshooting and verification tasks is its ability to make time-correlated measurements across two domains: the time domain and the frequency domain. In addition, it can

make these measurements across 20 analog and digital signals, and an RF signal. Time-correlated means that the mixed domain oscilloscope can measure timing relationships between all of its inputs. It can, for instance, measure the time between a control bus sending a ”change frequency” command and the radio reaching the desired frequency, measure the turn-on time of a radio, or look at radiated emissions from a switching power supply. A power supply voltage dip during a device state change can be analyzed and correlated to the impact on the RF signal. Time correlation is critical for understanding the complete system operation: cause and effect. Now let’s take a closer look at several applications areas where the MDO offers advantages compared to traditional equipment.

EMI detection Electromagnetic Compatibility (EMC) continues to be an important element of modern electronics design. Compliance to some level of Electromagnetic Interference (EMI) testing is required for every electronic device. It is often

difficult, however, to debug and troubleshoot problems in this area. Diagnostics become even more difficult if the source of interference is intermittent. It can be almost impossible to correlate emissions with specific events in an electronic device using traditional measurement techniques. Examples include: • Correlating impulse emissions with specific memory access or diagnostic state of a device under test. • Characterizing emissions during the device power-up or state changes such as going in and out of low power mode. • Understanding the relationship between emissions and higher order harmonics. The MDO is well-suited to these types of measurements. It combines a wide capture bandwidth of up to 3GHz in the frequency domain with the ability to make measurements at a specific point in time, correlated with events of interest in the time domain. The noise from a power supply can be measured with an EMI current probe. For the example in Figure 1, a switching power supply is being loaded by a resistor and small capacitor. The automated marker function of the MDO is used to show the frequency and amplitude of the most prominent signals radiating from the supply. The highest value is represented as the red reference marker. The fundamental frequency and the second harmonic are about the same level at around 30dBuA. The upper half of the screen shows the waveform at the switching transistor in the device under test.

One use for the MDO is to understand the effects of powering a radio IC with a switching power supply. This is aided considerably by the use of what is known as Spectrum Time. This allows the user to move through an acquisition in the time domain to investigate how the RF spectrum changes over time. In Figure 2, Spectrum Time is placed to show the spectrum of a transmitted signal during several symbols of a preamble of a packet. To see the packet transmission from the radio, RF vs. time traces have been added to the time domain view. The orange trace marked with ‘A’ shows the instantaneous RF amplitude vs. time. While the orange trace marked with ‘f’ shows the instantaneous RF frequency vs. time, relative to the center frequency of the spectrum display. The green trace (Channel 4) shows the current into the module. As can be seen, the current rises from close to 0 between packets,

FIG. 1: Power supply switching noise.

Identifying noise When integrating a radio chip or module into a typical embedded system, a common and often frustrating task designers face is tracking down and eliminating noise and spurious signals. Potential noise sources include switching power supplies, digital noise from other parts of the system, and external sources. Noise considerations also include any possible interference generated by the radio as well as the need to avoid interfering with other radios while meeting regulatory requirements.

FIG. 2: Radio transmission using a clean laboratory power supply.

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test & measurement

electronic products and technology â&#x20AC;˘ october 2012

to about 40mA during transmission. The yellow trace (Channel 1) shows the ac ripple on the power supply voltage at the module. There is only a small dip in the voltage during transmission. The previous capture was taken with the radio module powered by a clean laboratory power supply. In Figure 3, the same RF signal is shown but with a boost type switching supply powering the radio module. Boost regulators are notorious for generating noise, but are valuable to allow the use of a battery with one or two alkaline or NiCad cells and relatively few components, lowering the cost. As shown, the noise has increased at the base of the modulated signal. Near the transmitted signal, there is noise at least 5dB higher than with the clean power supply. The noise is also readily apparent in the current and voltage waveforms. The additional noise would degrade the signal-to-noise ratio of the signal at the receiver used to gather the data from this transmitter, reducing the effective range of the radio system.

time. This shows that a digital command occurred roughly 600 microseconds before the RF event turn-on. The traces in purple show where the decoded data is in the time domain. Pan and zoom functions can be used to read digital waveforms and the decoded data. Other commands FIG. 5: Subsequent acquisition triggered on SPI and data read back on SPI command shows delay between command and radio (MISO) can be read or triggered turn-on. on to confirm correct commands draw (at the beginning of the RF Tx turnand verify operation of the radio. on) is now 1.768 ms. The MDO architecture simplifies meaIn the previous example from Figure surements between SPI commands and 4, the command delay to turn-on was correlated RF events. In Figure 5, the about 600Âľs. The actual event in Figure trigger event is now changed to the 5 is almost three times longer. This SPI command {37}, the radio transmit demonstrates the behavior of the ZigBee command. Markers on the time domain radio is actually complying to one of the display show the SPI command to current

FIG. 3: Radio transmission showing increased noise with a switching power supply.

ZigBee integration As ZigBee and similar smart automation standards become more commonplace in all types of embedded systems and applications, engineers need the ability to quickly and efficiently validate and verify ZigBee module performance. This system level task is made more complex with the presence of RF and the need to look at analog, digital and RF signals in concert with each other. Some of the critical tests to verify radio operation include RF and power supply measurement, digital commands, spurious signals and interference. Radio ICs and modules need to be set up to meet the operating requirements of the specific application and any protocol-specific setups. The MDO allows decode of the SPI commands to the ZigBee module. In addition to SPI, decode can be obtained for additional protocols including I2C, RS-232, USB, Ethernet, CAN, LIN, and others. Figure 4 shows the digital capture of the SPI commands. In this case, the analog, digital, and RF acquisitions have been set to trigger on the drain current of Trace 4 occurring above the 130 mA level. All the time domain measurements in the upper display left of center show the events that occurred prior to the current exceeding this level at RF turning on. This includes digital decode, analog (voltage and current), and RF vs.

FIG. 4: Packet decode of SPI Digital signals. http://ept.hotims.com/40524-21

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PHY layer performance requirements of IEEE 802.15.4. The ZigBee radio uses a pseudo-random delay between command and turn-on event to enable the radio to listen for other ZigBee radio transmitters or other radio interference channels. The need to look across digital, analog and RF signals at the same time on the same design has become an almost universal requirement for system level debug, whether to debug timing issues across serial and RF, integrate and verify wireless components, or to identify unwanted sources of EMI. The mixed domain oscilloscope represents a key breakthrough for troubleshooting and verification of todayâ&#x20AC;&#x2122;s wireless-enabled designs because of its ability to make time-correlated measurements in both the time domain and the frequency domains. For more information on mixed domain oscilloscopes for wireless design from Tektronix Inc., go to http://ept.hotims.com/40524-89

test & measurement

electronic products and technology • october 2012

Versatile 30MHz oscilloscope provides external, video-capable triggering

ATE system-in-a-box delivers automated production test

SDS5032E low-cost two-channel oscilloscope provides external and video-capable triggering, auto-measurements, auto-scaling, a large 8” high resolution full color LCD display, XY mode, auto-set, averaging, math functions, USB output, waveform storage, pass/fail output, and a 3-year warranty. FFT functionality is included for frequency spectrum display, in addition to a built-in 6-digit frequency meter, which can measure frequencies from 2Hz to 30MHz. SAELIG

7700 Integrated Microwave Test System is compact and a complete turnkey ATE (Automated Test Equipment) system-in-a-box designed for rapid production testing of microwave and RF components and modules. Unit is a bench-sized instrument that utilizes Aeroflex’s synthetic architecture and Common Platform hardware to achieve fast measurement throughput. Unit provides the functionality and measurements of a vector signal generator, spectrum analyzer, vector network analyzer, oscilloscope, power meter, frequency counter, noise figure meter, and a phase noise analyzer. The 7700’s tight coupling of signal generation, measurements, and DUT control increases measurement throughput significantly over traditional rack-mounted ATE systems. AEROFLEX

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Software verifies test coverage to meet the stringent safety, security levels

Piezoresistive pressure transducers suits small vehicle R&D

LDRAcover stand-alone code coverage tool verifies the source code of an application has been fully structurally tested. This offering responds to the needs of companies that wish to improve overall quality of code by ensuring complete testing, as well as those companies that must meet the most stringent levels of code verification in markets such as avionics, defense, industrial controls, automotive and medical devices. LDRA

Endevco piezoresistive pressure transducers are rugged, miniature and high-sensitivity to support the rigorous demands of small vehicle research and development. Products provide a four-arm strain gage bridge, ion implanted into a silicon diaphragm, for a wideband frequency response. Product’s sculptured diaphragm design produces twice the sensitivity of traditional flat diaphragms, resulting in improved resolution. Integral hybrid temperature compensation of these transducers further provides stable performance over a temperature range of -18C to +93C with custom ranges upon request. Units offer lightweight, rugged construction and small diameters, for installation within space constrained environments. MEGGITT ENDEVCO

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Barry Controls… Worldwide leaders in Noise,

…is Now in Canada!

Shock & Vibration Control

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PXI Express mainframe supports 8 GB/s system bandwidth CMX09 9-slot mainframe is modular instrumentation for the PXI Express platform. The slot-toslot direct communication capability combined with true multi-root support makes it PXI MultiComputing (PXImc) ready and suitable for high-speed, high-channel count applications where multi-gigabytes/sec of data are required for in-line processing and analysis. The compact form factor and extended environmental operating range make it suitable for portable data acquisition applications, while its 4-lane Gen 2 PCIe backplane provides the backbone required for demanding ATE requirements such as high-speed oscilloscopes and signal generators. VTI INSTRUMENTS http://ept.hotims.com/40524-94

Enhanced user-interface scans with slit laser beam profiler

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NanoScan v2 scanning slit beam profiler is a NIST-calibrated system that uses moving slits to measure beam sizes from microns to centimeters at beam powers from microwatts to kilowatts, with little to no attenuation. Product provides an enhanced graphical user interface (GUI) with support for the Microsoft Windows ribbon toolbar. Dockable and floatable windows plus concealable ribbon toolbars allow users to make the most of any size display, from small laptops to large, multi-monitor desktops. OPHIR PHOTONICS http://ept.hotims.com/40524-95

full online product listings at ept.hotims.com

test & measurement

electronic products and technology • october 2012

Rugged laboratory spectroradiometers are lightweight

Serial buses trigger, decode audio signals I2S, LJ, RJ and TDM are serial buses that implement unidirectional point-to-point connections. Products carry digital audio data between ICs and are often used to connect analog-to-digital converters and digital-to-analog converters to digital signal processors (DSP) for audio processing. This option for firm’s RTO high-performance oscilloscope addresses the complex requirements in the development of electrical components equipped with audio interfaces. An extensive selection of protocol-specific trigger conditions provides the user with a high degree of flexibility when trying to detect specific data contents. and other anomalies. ROHDE & SCHWARZ

SR-1900 and SR-1600 laboratory spectroradiometers provide precision, single box light source measurement, covering 350-1900nm and 300-1700nm, respectively. Both units provide a silicon photodiode array and InGaAs photodiode array to allow easy and fast measurements with one complete unit. With these capabilities, users are freed from the tediousness of purchasing, configuring, connecting and integrating multiple spectrometer boxes to measure UV, Vis, and NIR in their lighting applications. Products are compact, lightweight, rugged, and easy to use. SPECTRAL EVOLUTION

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Surface roughness tester is portable

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PXI digital multimeter diversifies capabilities

Surftest SJ-410 series of SJ-series portable surface roughness testers provides greater precision and performance with the ability to effortlessly switch between skidded and skidless measurement. Device measures wavy and intricately shaped surfaces outside the laboratory environment. Unit includes a large color LCD touch panel for high visibility, as well as the option to choose from one of 16 display languages. Unit provides two options for X-axis measuring ranges, 25mm and 50mm. MITUTOYO CANADA

GX2065 6.5 digit PXI digital multimeter provides a combination of capabilities, resolution, accuracy and speed in a compact, single slot 3U PXI format. Unt delivers 6-½ digit resolution, 0.005% basic DCV reading accuracy and up to 3,500 reading per second (rps), and provides measurements that are accurate, fast and repeatable. All measurement functions including digitizing functions are isolated from the PXI bus, providing the ability to make true differential, floating measurements. An on-board controller performs all necessary DMM and digitizer calculations, minimizing PXI control bus overhead. Signal Integrity Solutions GEOTEST-MARVIN TEST SYSTEMS

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newswatch

Tektronix debuts ‘bandwidth banter’ blog Global provider of test, measurement and monitoring instrumentation Tektronix Inc., Beaverton OR, has introduced an online blog servie aimed at assisting instrumentation engineers through their test challenges. The ‘Bandwidth Banter’ blog, located at www.tek.com/blog, provides readers with a useful and lively mix of test tips, perspectives and musings directly from the Tektronix engineering community and create a new channel for conversation and feedback. In addition, the blog will provide direct access and insight into the company’s news and happenings. A cross section of Tektronix field application engineers, product line design engineers, company executives and others will contribute regularly to the blog site. In addition, the blog will feature occasional guest contributions from industry experts, college professors, Tektronix partners and customers.

You Designed It Right.

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MP1800A Signal Quality Analyzer

MP1800A 32G Multi-Channel BERT Cloud computing and video streaming are driving increases in server and storage transmission speeds. The transmission capacity of core networks is increasing rapidly to support these

BERTScope with pattern generation supports 100G communications test BSA286C BERTScope bit error rate tester Series meets 100G testing requirements and provides complete support for standardscompliant testing up to 28.6Gb/s, including error detection, pattern generation and clock recovery. Unit provides sub 300pSec intrinsic jitter noise floor, delivers accurate BER test and root-cause PHY layer analysis. Unit can be used to perform true jitter measurements on a variety of signals including low probability events, with the added ability to accurately decompose jitter into its random and deterministic components. TEKTRONIX http://ept.hotims.com/40524-98

demands. The MP1800A SQA is a modular BERT with built-in Pattern Pulse Generator (PPG), Error Detector (ED), and Jitter Modulation Source to support 32G multi-channel BERT test. Also, boost your BERT with Anritsu’s compact MP1825B 4Tap Emphasis handling bit rates up to 28.1Gbit/s.

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electronic products and technology • october 2012

SUPPLY CHAIN

Supply Chain Management / Distribution

Not a game of perfect By Scott McLendon, vice -president product management & marketing, Allied Electronics Inc.

The famed sports psychologist/author Dr. Bob Rotella wrote the book, “Golf Is Not a Game of Perfect.” He was right. It’s safe to say that golfers don’t hit a perfect shot every time they swing the club, but they aim to play the best round possible as measured by their score. A few keys to shooting low scores on the golf course are to minimize the really bad mistakes, hit each shot with a clear mind and a specific target, and try to sink every putt no matter the distance. Likewise, when it comes to successful supply chain management, “Supply Chain Is Not a Game of Perfect,” and similar aims apply in order to provide the best possible service to the customer.

As you can imagine with our rapidly changing market, predicting appropriate inventory levels is a challenge for the entire supply chain. As an authorized distributor, it is our job to work with both the manufacturer and the customer to deliver the required quantity of products on time, every time. To determine our inventory levels, we attempt to forecast customer needs. Unfortunately, we’ve all experienced forecast modifications. Depending on the economic climate, it seems to be either, “I know I ordered 100 pieces, but now I need 1,000,” or “I know I ordered 1,000 pieces, Allied warehouse is integral part of active supply chains. but now that’s 10-year’s worth of product, and I don’t want them.” Forecasting is at best an approximation and at worst an utter disaster. I would argue In the middle that for most of us, a forecast longer than 90-days is just a guess - maybe an educated As authorized distributors, we live our lives ‘in the middle.’ We are a conduit for our guess if you’re really good. authorized suppliers to get their products to the consumer. Maybe we like being tossed To compensate for ever changing demand profiles, supply chain planners need flexible around like lettuce in a salad spinner. But, we value our position and strive to provide forecasting tools that allow them to stratify SKU’s beyond the traditional ABC Pareto superior service 100% of the time. methodology. As an authorized distributor, we have to be diligent in identifying our The challenge is that we live in a time of global products and markets. Markets today customer’s critical products, stratify them into higher service classes and utilize optimireact to slight changes, in either supply or demand, more rapidly than ever. Authorized zation tools to ensure on-time delivery. distribution plays an invaluable role in seamlessly supporting customer needs in the everchanging sea of supply and demand. A key value proposition we provide as an authorized Fluctuating lead times: It will be how long until we get that? distributor is to make sense of all this rapidly changing, sometimes conflicting, informaFluctuating lead times also prevent us from living in 100% service level utopia. tion and to somehow smooth it out so that our customers still get great service. In recent years we’ve seen manufacturer’s lead times vary tremendously. Not too long To help us do ago, one of our suppliers had 149 week lead times. Really? That’s almost three years. Why that, we have a not just say, “We don’t have a clue when we can ship this stuff to you.” What caused series of proven this extensive lead time? Lead times are greatly dependent on production capacity and processes. Our raw material availability. forecasting tools During the 2009 recession (some may argue that it’s still ongoing but technically it’s are better, and in not), many manufacturers of component parts reduced their global production capacity. general, manufacWhen demand returned with a vengeance in 2010, many manufacturers were slow to bring turers, distributors capacity back online - resulting in exponential lead time increases and in some cases and end customallocation of finished goods inventory. ers communicate Due to global competition and a host of other economic pressures, it’s no longer acceptmore effectively able for authorized distributors to be purely reactionary leading to potential ‘stock-outs’. than ever. So, why It’s imperative that distributors and manufacturers alike make the proper investments in can’t we all have a business intelligence technologies allowing them to predict and respond to ever-changing 100% service level delivery performance in a proactive manner. Predictive technologies now allow supply all of the time for every customer? Let’s take a look at the hiccups of forecasting, lead chain planners to detect lead time changes early enough to take appropriate measures, times and communication. protecting service delivery and preventing excess stock build-up in the supply chain.

Authorized distribution plays an invaluable role in seamlessly supporting customer needs in the ever-changing sea of supply and demand.

Forecasting: What's the weather like today?

It would be useless to check the weather forecast for a big event happening six, three or even one month from now. Why, because the weather changes continuously. Sure, there may be weather patterns, but all patterns are broken every now and then.

Reactive communication: What...you didn't get the update? Distributors are in unique positions to experience both the good and bad of modern communication. The preferred method of communication these days is generally electronic, be it EDI, email or a web-based portal where information is deposited for distributors to ‘go get.’ These methods are great, but sometimes updated or new information can get lost. As a result, our communications can be reactive instead of proactive. It appears to be a ‘CYA’ mentality versus one where world-class customer service is the goal. In a common scenario we encounter as a distributor, our supplier may say, “Hey, we changed our electronic price file to show that our lead times went from 16 to 32 weeks. Didn’t you see it?” Our Answer… “No, not until we went to expedite the parts that weren’t delivered on time.” As our portfolio continues expanding to provide the market more products, our reliance on electronic communications will inherently increase. Our combined extended offer from our 300+ suppliers is in the tens of millions of individual SKUs. While necessary due to the sheer volume of order data being transmitted, authorized distributors need processes that enable us to easily detect and address unacknowledged orders and other dropped communications that lead to customer frustration and low service delivery.

In conclusion Forecasting, published lead times and various communication methods are tools distributors use to help get and provide superior service in rapidly changing markets, but they are not perfect. Just like the keys to ‘not a game of perfect’ for golf, the keys to supply chain management are to minimize the really bad mistakes, work with each supplier and customer focused on clear goals and targets, and communicate proactively before hazards come into play. We may not get it right 100% of the time, but 100% of the time we aim to get it right. And, that’s a good round. http://ept.hotims.com/40524-24

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supply chain management / distribution

electronic products and technology • october 2012

Heilind adds to Canadian sales team

Tech Trek celebrates 30-year anniversary

Connector distributor Heilind Electronics, Markham On, has added a couple of new members to its sales team in Canada. This August, Kellie Collins joined the firm as customer business specialist. Collins joins Heilind with 15 years of electronics distribution experience in sales and marketing. In September, Christine Kreuch was appointed to the position of customer business manager. She comes to Heilind with 15 years of industry experience in various capacities, including distribution, manufacturer’s representative and direct suppliers. “Their knowledge and expertise along with their dedication to continued success will be a strong asset to our devoted team,” says branch manager Darlene Kocsis.

Representing one of the longest standing electronic component manufacturer’s representative firms in Canada, Mississauga-based Tech-Trek Ltd. marked its 30th anniversary in business this September. The firm’s long-serving principals and industry veterans Brian Grigor and Bill Ford, were both presented with clocks from Tech-Trek staff, recognizing their ‘time’ spent in the industry. Both reflected fondly on the years spent in the electronics industry and expressed confidence in the continued success of Tech Trek, as well as electronics market in Canada for years to come. Tech-Trek principals Bill Ford and Brian Grigor were presented with clocks from staff during firm’s 30th anniversary celebrations.

Lemo connectors acquires Birde Marketing Forms Lemo Canada Inc. in Markham ON

Swiss-based custom connector maker LEMO, has established a formal sales beachhead in Canada with its acquisition of BIRDE Marketing Inc.in Markham ON. BIRDE Marketing has been representing LEMO products in Canada since 1988, achieving regular market share growth. The Company currently employs 13 people, based in 4 offices across Canada. Mr Mario Colacino, who has been with BIRDE Marketing since 1988, has been appointed General Manager of the newly formed LEMO Canada Inc. “The acquisition of BIRDE Marketing reflects our strategy to expand LEMO’s presence in major markets, explains Alexandre Pesci, president of the LEMO Group. “The creation of LEMO Canada will strengthen our position in North America and create new opportunities to respond to existing and future customer needs”. LEMO’s high quality push-pull connectors are used in a variety of challenging application environments including medical, industrial control, test & measurement, audio-video, automotive, energies and telecommunications. LEMO also provides cable assemblies, prototyping and custom designs.

Utech moves into larger distribution facility Toronto-area electronic component distributor Utech Electronics has moved its headquarters into a larger facility. After 20-years at its previous location in Scarborough, Utech is now located at 25 Anderson Blvd. in Uxbridge ON. The newly constructed building almost doubles the size of its previous facility. The design of the new building and land parcel also affords Utech with ample future expansion options. We are only 20-minutes north from our prior location and it is a hit with our employees, reducing commute time and in a country setting,” enthused Utech partners Keith McCrone and Chris Riley, partner Utech. “The added Chris Riley stand in their new headquarters. space allows us to expand our current inventory from our manufacturers and provide a broader product offering to facilitate our valued customers.”

Digi-Key adds Kionix MEMS Digi-Key Corp., has signed a global distribution agreement with Kionix Inc., Ithaca NY, provider of MEMS inertial sensors. Kionix supplies 3-axis accelerometers and gyroscopes, as well as 6-axis combination products, to customers in the consumer electronics, automotive, industrial, and healthcare markets. Additionally, Kionix is a market leader in embedded algorithms and advanced software, such as sensor fusion, which provides added value to end applications through the power of motion. Kionix uses a proprietary deep-silicon plasma etching process (DRIE) which provides superior performance in the MEMS structure. The company’s new “XAC” sense element delivers some of the highest stability, shock1and temperature in the industry HARTING-DC1-ad16CA-EPToct-sq_Layout 9/13/12 9:10 AMperformance Page 1 and minimizes reflow work for customers.

Avnet strengthens embedded software services Avnet Embedded, a division of Avnet Electronics Marketing Americas, will deploy a team of technical experts in local markets to provide in-depth software advice to Avnet customers designing for today’s intelligent embedded systems. Supporting Avnet’s increased focus on the embedded software market, Avnet will also add products from two new suppliers to its Americas offering: InduSoft, an industry leader in leading-edge SCADA (supervisory control and data acquisition) software technology, and itSoftware, a software company offering innovative Windows security solutions. Avnet’s embedded software and services group will provide advice on the various software options designed to differentiate and secure customers’ applications.

Comtree hosts ASM machine demo Mississauga-based manufacturers’ representatives Comtree Inc., co-hosted a week long ‘customer road show’ of electronics assembly equipment from ASM Assembly Systems last month. Formerly Siemens Electronics Assembly Systems, ASM Assembly Systems is the global supplier of SIPLACE surface mount technology (SMT) equipment, software and services. Selected customers were provided with one-on-one, live machine demonstrations, walking them through the vast array of ASM’s machines, software and maintenance programs. Themed as ‘simplify your manufacturing challenges’, the demo sessions were targeted to OEMs and CEMs that normally do not get the opportunity to travel to trade shows, according to Mark Ogden, manager, marketing and sales support, ASM. “This brings a more concentrated trade show environment right to the back door of many of our existing and potential customers,” says David Intson, Canadian sales manager, ASM. The centerpiece to the road show was the SIPLACE SX Series placement solution that scales flexibly across the entire line. “This solution lets you invest in performance or capacity – independently and in line with your current order situation. That also lets you get rid of capacity easily when you no longer need it. ASM refers to this solution as capacity on demand,” Ogden says. Based on the success and enthusiasm, ASM is in the early stages of planning another roadshow for 2013, which will include some Canadian dates and locations.

Mouser debuts power supply technology website Mouser Electronics Inc. recently launched its Power Supply technology site on Mouser. com. The new site contains technical information that refines design engineers’ exploration of power supply solutions that best answer their unique design requirements. The website addresses design-from-scratch or ready-made power supply solutions and focuses on Switched-Mode Power Supplies (SMPS), plus covers the four most-often-used topologies. Due to their higher efficiency, smaller size, and lighter weight, switching regulators are frequently preferred to linear regulators. Also, standard source voltages may not match the levels required by microprocessors, motors, LEDs, or other loads, especially when the source voltage is not regulated. The site helps design engineers navigate the benefits of SMPS. In addition, the engineer can explore UPS and ac/dc power applications through block diagram navigation, while extra resources help stimulate design development.

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electronic products and technology • october 2012

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engineering TECHNICAL TECHNICAL && WHITE WHITE PAPERS PAPERS USING CONSTELLATION DIAGRAMS TO TEST WIRELESS DEVICES The number of new cell phones, tablets, laptops and many other types of wireless devices coming to market is very large. A corollary is that the pressure on engineering to get these products to market in time to beat, or at least meet, the competition is very high. One of the common tools used to test the performance and quality of wireless devices is the constellation diagram. This technical brief gives an overview of how to perform these tests using a digital oscilloscope. http://lcry.us/R2U1YD Teledyne LeCroy http://ept.hotims.com/40524-32

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