Myant Inc. Weaves Its Way Into Wearable Technologies P.10

OCTOBER 2018

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TEST & MEASUREMENT How to add RF and lower compliance costs p.12 SUPPLY CHAIN MANAGEMENT How to insulate your products against the electronics shortage p.16 MEDICAL ELECTRONICS Preparing for the surgical robot boom p.18

TEXTILE COMPUTING Myant Inc. weaves its way into wearable technologies p.10

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INSIDE OCTOBER 2018 Columns COVER STORY 4 EDITORIAL TEXTILE COMPUTING E-textiles emerge 10 Toronto-based Myant Technologies creates from runway fabrics that incorporate electronics 8 WEST TECH REPORT CVAN lends support TEST & INSTRUMENTATION 16 to entrepreneurs 12 Add RF capability and lower compliance costs at the same time 15 New Products In every issue 7 NEWSWATCH SUPPLY CHAIN MANAGEMENT 18 21 PRODUCT SOURCE 16 Protect your product designs against 21 AD INDEX electronic component shortages 22 TEARDOWN Oppo Find X MEDICAL ELECTRONICS 18 Sugical robots emerge into mainstream 19 New Products Cover photo: Myant Technologies Myant photo: Cover Myant, top) & Schwarz, Rohde Systems da Vinci Robotic from Images, Getty (this page, Photos

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Canada’s information leader for Presents Smart fabrics evolve electronic engineers and designers OCTOBER 2018 Volume 40, Number 7 EDITOR Stephen Law beyond the runway [email protected] · (416) 510-5208 WEST COAST CORRESPONDENT Sohail Kamal In development around reliability, cross-com- and many more. [email protected] for decades, the patibility & standards, equip- The best part is that Canada ASSOCIATE PUBLISHER Scott Atkinson integration of ment suitability, materials can boast having a leading player [email protected] · (416) 510-5207 electronics and availability and overhead costs in this emerging sector – Toron- ACCOUNT MANAGER Joanna Malivoire textiles known have been prohibitive in many to-based Myant Technologies [email protected] · direct 866-868-7089 as electronic emerging market opportunities. Inc., which operates an ART DIRECTOR Andrea M. Smith textiles (e-tex- However, thanks to significant 80,000-square-foot facility that [email protected] tiles) or smart investment and partnerships, houses advanced robotic knit- CIRCULATION MANAGER Anita Madden fabrics have begun to achieve some of these barriers are being ting machines. Supported by [email protected] some commercial success. lowered, with more players able state-of-the-art 3D digital fabri- Tel: 416-442-5600 ext. 3596 OPTIMALLY Textile computing refers to to make more advanced e-textile cation, Myant enables the ACCOUNT COORDINATOR Tracey Hanson the integration of biometric sen- products at less prohibitive pric- world’s only end-to-end textile [email protected] DESIGNED sors and actuators into the very es. These developments improve computing capacity, from re- VICE PRESIDENT - EXECUTIVE PUBLISHER yarns or fibres of a textile prod- the chances that emerging search and development through Tim Dimopoulos uct. Alongside those sensors and e-textile products have against end production. [email protected] MAGNETICS actuators is hardware with built- incumbent options, according Since its formation in 2010, PRESIDENT & CEO Mike Fredericks in software that transmits the to an IDTechEx report. Myant has forged its way by as- data from your body via Blue- sembling multi-disciplinary EP&T is published eight times per year by Offering thousands tooth to your phone, watch or There is an teams of designers, engineers ANNEX BUSINESS MEDIA other device. unquestionable and scientists, to create the form 111 Gordon Baker Road of part numbers While e-textiles markets re- potential when factors and the hardware and Suite 400 CSE187L CST-1005 main in relative infancy today, software that will deliver both the Toronto, ON M2H 3R1 standard, off the shelf. combining the Tel (416) 442-5600 many industry players are lining comfort, feel and sensing capacity and the user Fax (416) 510-5134 CURRENT SENSE / LOW 50/60 HZ CURRENT SENSE up to offer the next generation of look of textiles with experience that will deliver real www.annexweb.com FREQUENCY TRANSFORMERS TRANSFORMERS smart textile products. From value-ad for its partners and the functionality, SUBSCRIPTION RATES clothing to bandages, bed linen their customers. In addition, Canada – $57.50 one year; $92.50 two years to industrial fabrics, new prod- connectivity and Myant’s R&D team remains fo- USA – $101.00 per year ucts are appearing throughout a intelligence of cused on finding and developing International – US$138.00 per year Single copy – Canada $15 variety of verticals as this technol- electronics next generation yarns and fibers, ogy area is increasingly explored. as well as new sensing and actu- CIRCULATION [email protected] According to industry re- As with e-textiles, there is ation processes. Tel: 416-442-5600 ext. 3552 searchers IDC, market fore- tremendous reliance on the suc- Among its most recent initia- Fax: 416-510-6875 or 416-442-2191 casts show underwhelming cess of the extended emerging tives, Myant has focused on ISSN 0708-4366 (print) results thus far globally. How- technology ecosystem; which partnering with companies and ISSN 1923-3701 (digital) ever, the slowdown represents includes conductive inks, institutions in order to democra- PUB. MAIL AGREEMENT NO. 40065710 more of a sign that the market is stretchable electronics, wearable tize manufacturing in the func- Return undeliverable Canadian addresses in transition. technology, printed electronics, tional and computing textile to: EP&T Circulation Department, 111 Gordon Baker Rd. Suite 400, Toronto, “Vendors are slowly moving printed and flexible sensors, In- industry, and support innovation ON M2H 3R1 beyond first-generation devices ternet of Things, emerging ener- to make it more accessible to and experiences. The wearables gy storage, and many more. educators, inventors, students, of tomorrow will play a more The big picture for e-textiles is medical professionals, research- prominent role in communica- extremely exciting. There is an ers, and idea makers. The goal for tion, digital health care, home unquestionable potential when Myant CEO Tony Chahine is IoT, and enterprise productivity combining the comfort, feel and that it will enhance the fabric of © 2018 EP&T. All rights reserved. Opinions that will make last year’s options look of textiles with the function- Canada in the long run. expressed in this magazine are not necessarily FS24-100-C2 WSU120-1000 VPM48-1040 look quaint,” says Ramon Lla- ality, connectivity and intelli- To get a better sense of what those of the editor or the publisher. No liability is assumed for errors or omissions or CLASS 2/3 TRANSFORMER WALL PLUG - INS POWER TRANSFORMER CHASSIS mas, research director at IDC. gence of electronics, and these Myant is doing to create a validity of the claims in items reported. All In the last few years, research broad-brush industry sectors beachhead in E-textiles, be sure advertising is subject to the publisher’s MOUNT : TOROIDAL MEDICAL SERIES approval. Such approval does not imply any group IDTechEx has witnessed give only part of the picture. to turn to page 10 for our exclu- endorsement of the products or services a developing maturity in the E-textile products are being ex- sive Q&A interview. advertised. Publisher reserves the right to refuse advertising that does not meet the e-textiles value chain. While plored in many exciting niches, standards of the publication. Occasionally, companies have been able to from body motion capture, to STEPHEN LAW EP&T will mail information on behalf of manufacture and sell e-textile prevention of diseases and side Editor industry-related groups whose products and services we believe may be of interest to you. products for decades, challenges effects, to improving road safety, [email protected] If you prefer not to receive this information, STOCKED AND DISTRIBUTED BY ELECTRO SONIC please contact our circulation department. Connect with EP&T magazine PRINTED IN CANADA @EPTmagazine facebook.com/EPTmag/ [email protected] ept.ca

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NEWSWATCH FLEXIBLE ELECTRONICS “When we took a close look at panel builders, we noted they integrate off- QUEEN’S U UNVEILS the-shelf modular product solutions to ROLLABLE TOUCH-SCREEN the maximum extent possible,” Flana- A Queen’s University research team gan says. “Most often, they use prod- has taken a page from history, rolled it ucts which mount to industry standard up and created the MagicScroll – a DIN rails, directly to cabinet walls, or rollable touch-screen tablet designed to sub-panels within cabinets.” to capture the seamless flexible screen real estate of ancient scrolls in a mod- ENTERPRISE OF THINGS ern-day device. Led by bendable-screen pioneer BLACKBERRY UNVEILS Dr. Roel Vertegaal, this new technolo- EOT PLATFORM gy is set to push the boundaries of BlackBerry Ltd. has unveiled Black- flexible devicetechnology into brand Berry Spark, a complete Enterprise of new territory. Things (EoT) platform designed and The device is comprised of a The MagicScroll rollable touch-screen tablet fits in your built for ultra-secure hyperconnectiv- high-resolution, 7.5” 2K resolution pocket when rolled-up and can be used as a phone. dictation ity from the kernel to the edge. flexible display that can be rolled or device or pointing device Defined asthe interconnectedness unrolled around a central, 3D-print- of people, organizations and ma- ed cylindrical body containing the compliance services. The company chines, hyperconnectivity, industry device’s computerized inner-work- also delivers technically diverse inde- pundits anticipate it to revolutionize ings. Two rotary wheels at either end pendent testing for the automotive, the way people work and live. of the cylinder allow the user to scroll military, aerospace, medical, industri- through information on the touch al and consumer electronics indus- Download Today! screen. When a user narrows in on an tries. Testing which covers thermos interesting piece of content that they shock, vibration, salt & fog, corrosion, BlackBerry’s platform enables: would like to examine more deeply, ingressive of dust, etc. OEMs to make complex ‘things’, the display can be unrolled and func- Located northeast of Toronto in like• autonomous vehicles and indus- tion as a tablet display. Its light weight Stouffville ON, EMTS Labs has de- trial equipment which must have the and cylindrical body makes it much veloped in-house software to accom- highest levels of security and safe- easier to hold with one hand than an modate testing programs, while ty-certification, as well as consum- iPad. When rolled up, it fits your meeting IEC, NEMA, ASTM and er-friendly interfaces to complex pocket and can be used as a phone, MIL standards. processes and artificial intelligence dictation device or pointing device. “We are committed from start-up (AI), such as voice-activated speakers “We were inspired by the design of execution to finalizing a quality con- with privacy protection designed in at ancient scrolls because their form al- trol program, governance procedures the start. lows for a more natural, uninterrupted and related infrastructure,” Lee says. Enterprises to leverage AI and man- experience of long visual timelines,” “Our services include review of qual- •age smart ‘things’ regardless of oper- says Dr. Vertegaal, Professor of Hu- ification plan, testing procedures and ating system (i.e., Android, iOS, man-Computer Interaction and Di- 25product suppliers execution of testing per standards. We Linux, QNX and Windows) via a rector of the Queen’s University are included in the provide turnkey solutions for all ap- single pane of glass, as well as snap-in Human Media Lab. The MagicScroll’s Electro Sonic panel provals, which mean that we often existing platform services such as scroll wheel allows for infinite scroll builders line card. work with the certification bodies in Android Things, AWS, Azure, and action for quick browsing through this industry.”. Watson. long lists. Unfolding the scroll is a • People to use and trust any hyper- tangible experience that gives a full DISTRIBUTION connected ‘thing’ and the new expe- screen view of the selected item. Pic- riences they enable by making ture browsing through your Instagram ELECTRO SONIC military-grade security easy and in- timeline, messages or LinkedIn con- DEBUTS LINE tuitive to use. As the workforce con- tacts this way.” CARD FOR PANEL tinues to evolve, BlackBerry Spark BUILDERS will provide end-users with the flex- ENVIRONMENTAL TEST Responding to rising ibility to move seamlessly and se- customer demand, Elec- curely between their personal and TEST LAB FOCUSED tro Sonic, a Markham work profiles. ON SHOCK & VIB ON-based component BlackBerry Spark platform is ENVIRONMENTAL distributor, recently in- designed and built for ultra-securi- Putting specific focus on environmen- troduced a product line ty and industry-specific safety-cer- tal related regulatory services in the card specifically tailored tifications, such as ISO 26262 in . test arena, Garry Lee says he is trying for panel builders. automobiles. As an open and exten- to fill a void in the Canadian electron- Targeting firms that design and sible platform, BlackBerry Spark ic OEM marketplace. manufacture automation and control ships ready to ‘snap-in’ IoT and A test industry veteran in Canada systems, Electro Sonic has put specific other solutions from partners that for 23 years, Lee is behind the launch focus on serving those in the panel include AWS, Baidu, Google, Mic- of EMTS Lab Inc., an ISO accredited builder arena, according to national rosoft, NVIDIA, Qualcomm, and

Photos: Queen’s University, Electro Sonic Electro University, Queen’s Photos: engineering firm that provides sales manager, Niall Flanagan. Samsung.

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EPT_Oct2018_AMS.inddEPT_Sept_Newark.indd 1 9 2018-09-272018-08-10 12:56 9:48 PMAM TEXTILE COMPUTING FEATURE Myant Technologies weaves its way into wearable tech Toronto-based textile computing firm emerges as a global leader in the creation of fabrics containing electronic IoT sensors, acutators BY STEPHEN LAW, EDITOR

Toronto-based textile Textile isn’t usually thought of as the with built-in software that transmits computing company most ‘innovative’ technology – tell the data from your body via Myant Inc. is an us why you chose to focus on it? Bluetooth to your phone or other emerging global leader Great question, and you’re right. device. The result is a continuous in the integration of technology, Textile hasn’t traditionally been and bi-directional digital connection namely biosensors and actuators, viewed as a place for innovation. Yet, to the human body through textile. into the yarns and fibers that textile is the most natural medium Interconnect Technologies for access comprise a textile product. From for technology given it’s around us With more than 80,000 sq. ft. of to the most conductive, washable clothing to car seats, bedding, 24/7. You sleep on textile, you wear advanced manufacturing capacity, and strongest yarns. All of this flooring and more, Myant’s technolo- textile, you sit on textile, you walk on describe how Myant’s facility combines to make us the go-to gy creates the intelligent interface textile, etc. It’s the perfect interface provides an end-to-end textile provider of textile computing between individuals and the world in a world of connected devices and computing supply chain. expertise. around them. connected technologies to link the Myant is comprised of nearly 80 Believed to be the world’s only true human body – to the IoT. team members both here in As a leader in this emerging end-to-end company developing Etobicoke, and in Ottawa at our industry sector, detail some of and producing textile computing Using textile as the satellite office. This team provides the ‘life-changing’ products products, Myant employs a diverse form factor that the full staff for textile computing – Myant has created since its team of 65 engineers, scientists, connects humans to from research and development on inception in 2010. technicians and designers. Myant the Internet of yarns and fibers; through biome- Textile computing represents a new collaborates closely with local Things, describe the chanical, chemical, and electrical way to change the modality people post-secondary institutions and inner workings of engineering expertise; data science use to interact with technology with research organizations to create and Myant’s Textile Computing capabilities; right through to the potential to have revolutionary discover incredible innovations, from platform. prototyping facilities and nearly 100 impacts on human life. In the fibre level development to examining Textile computing refers to the of the most advanced robotic immediate future we think that physiological influencers on the end integration of biometric sensors and knitting machines in the world. In textile computing is going to product. actuators (heat, cooling & electric addition, we have partnerships with fundamentally transform healthcare EP&T takes this opportunity to stimulus) into the very yarns or fibers Stoll A.G. for exclusive access to the by allowing for remote monitoring pose some questions to Myant chief of a textile product. Alongside those world’s best robotic knitting and remote diagnostics regardless of executive officer Tony Chahine. sensors and actuators is hardware machines, and with Carlisle geography, and we’ll be launching our SKIIN brand of products later this year, with a focus on heart health and wellness. Our SKIIN product line will engage people in their own health by making it easier for individuals to understand what’s going on in their bodies in real time and, by sharing that information with their medical team, proactively address any issues. Our work on electromuscle stimulation, or neuro-orthosis, is potentially even more transformative as we are bringing back mobility and confi- dence to individuals who have lost the ability to move.

PE Myant’s 80,000 square foot facility in Etobicoke (Toronto) houses the world’s most advanced robotic Outline Myant’s use of electronics, knitting machines, enabling the world’s only end-to-end textile computing capacity, from research and and some of the challenges this

development through end production. poses. Technologies Myant Photo:

10 ELECTRONIC PRODUCTS & TECHNOLOGY / October 2018 EPT.CA

EPT_Oct2018_AMS.indd 10 2018-09-27 12:56 PM example of our partnership with stamp the GTA as the world’s leading Stoll A.G., the world’s leading location for both research and manufacturer of robotic knitting commercialization related to textile machines. Together we provide both computing and its application in the machine capability and the industries like aerospace, automo- know-how, from research and devel- tive and healthcare. opment related to engineering and material science all the way to Can you describe or detail the scalable manufacturing and types of products Myant is shipping, to help entrepreneurs and working on for future release. other industry players adopt and Myant will launch the first genera- experiment on the connection of tion of the SKIIN Smart Underwear textiles to the world of IoT. The later this year. This product Digital Textile Factory is about includes the following sensing democratizing access to this new technologies: ECG (Heart rate, category of technology and the HRV), breathing rate, atrial necessary know-how to engage fibrillation, activity (steps, calories, successfully with it. activity recognition – walking, running, sitting/standing), sleep Outline Myant’s role as a key quality, stress level and tempera- partner in the advanced ture. Also in 2019 we’ll roll out more manufacturing supercluster in features including slip and fall the Toronto-Waterloo Innovation detection, fatigue detection, Since this is a brand new technolo- deliver real value-ad for our partners Corridor (TWIC). ovulation sensing, blood pressure gy, our team of experts and and their customers. And, behind all We are very excited by this initiative. and much more. We’ll also be engineers have to invent new ways of this is our research and develop- As a result of the work of NGM launching a heated base layer that to connect traditional textiles to ment team that is continuously Canada we have already made auto-adjusts to deliver heat when electronics.Creating the power, focused on finding and developing connections with new partners, both and where you need it, regardless of networking and computing capacity next generation yarns and fibers, as supply chain and potential custom- your lifestyle. Whether at the bus on a miniature device already isn’t well as new sensing and actuation ers. We hope to move forward later stop or on the slopes, SKIIN Heat an easy task, let alone building the processes. this year with a Centre of Excellence will deliver wire-free, automated connections between this hardware for Textile Computing that will help temperature control. and the sensors that are embedded Describe the importance partner- in the conductive yarns and fibers ships play in Myant’s success? we develop and use. That’s why we We are very fortunate to be located have a multidisciplinary team in within a few kilometres of great house who builds our technologies post-secondary institutions and as well as work in partnership with research organizations. Our great companies like Celestica to relationships with Toronto Rehabili- overcome some of the challenges tation Institute, Ryerson University, we face. George Brown College, Sheridan College, McMaster and others help Detail Myant’s processes of to ensure that we are building a product creation, as it relates to deep ecosystem of talent, ideas and research, design & engineering, as expertise related to the many well as product testing. disciplines that come together to Myant has two form textile computing. As we grow, channels in its we will lean on that network for business model – we next generation ideas, IP and talent Myant’s patented processes see biometric sensors and actuators have a direct to to become part of our workforce. embedded into fibers and yarns at the nano-scale. The result is a consumer SKIIN Our partnerships with leading washable, comfortable interface for bidirectional (two-way), human- brand that we are launching shortly, companies like Carlisle Intercon- computer interaction along with a B2B model where we nect Technologies and Stoll AG also ‘power’ other brands and form guarantees us access to the highest factors with our Textile Computing quality conductive yarns on the technology and intellectual market and robotic knitting property. We work closely with our technology that make us the world’s partners to understand the needs of go-to provider of textile computing their customers and the user expertise and manufacturing experience that is required. From capacity. there we create multi-disciplinary teams of designers, engineers and How will the Digital Textile scientists to create the form factors Factory benefit entrepreneurs and and the hardware and software that innovators seeking support in the will deliver both the sensing capacity creation of their own designs?

Photo: Myant Technologies Myant Photo: and the user experience that will The Digital Textile Factory is a great

@EPTmagazine October 2018 / EP&T 11

EPT_Oct2018_AMS.indd 11 2018-09-27 12:56 PM TEST & MEASURE FEATURE

lower cost spectrum analyzer, the lower cost approach can do How to add RF and the work of some of the EMI compliance functions and help to identify potential problem ar- lower compliance costs eas before discovering these later in the EMI compliance lab. It’s almost oxymoronic, but it’s possible to add RF To perform pre-compliance testing, the first challenge is to capability and lower compliance costs by following isolate the device under test from some basic steps. BY RICH MARKLEY ambient RF interferers, including FM radio broadcasts, TV broadcasts, cellular signals, Wi- Fi and Bluetooth. The quieter With more devices on-board and external EMI. point of view is to decrease the the environment, the better, requiring radios, EMI This adds to the many other po- odds of compliance test failure to whether it’s out in a field or in the and EMC increase in tential sources of EMI problems, the point of only needing to do basement. importance, particu- such as power supply and LCD this test once. This is where It’s hard to isolate the EUT larly as designs move to faster emissions, ground impedance, pre-compliance testing comes in. completely, so the key is to get a clock speeds, smaller form fac- poor cable shielding, stray inter- baseline measurement against tors, lower power rails and more nal coupling paths, component Pre compliance testing the limit line set up on the spec- data lines. However, the combi- parasitics and ESD in metallized using standard equipment trum analyzer, accounting for nation of power supplies, sensi- enclosures. There are two main reasons that signals that are present. When tive electronic circuits and RF All these factors contribute to designers don’t do pre-compli- setting compliance limits for the components increases the poten- increasing the odds of a device ance testing. The first is that they spectrum analyzer, this can be tial for costly compliance test failing formal compliance test- don’t think it’s worth it, given the done manually or using Elektra failures, which are already at 90 ing, which adds time and cost time-to-market windows and PC EMI test software on the percent for first-time tests. (Figure 1). Studies put first-time delivery schedules. The second is FPC1000 analyzer. This will To speed time to market and failure rates at 90 percent. This that they think it requires expen- help identify problem areas to be lower risk, designers need to do failure comes at high cost, as sive EMI receivers. Both can be investigated further. A respect- pre-compliance testing of their over-the-air and conductive addressed using a standard, lowable spectrum analyzer is likely devices to increase the odds of testing with a third-party test cost spectrum analyzer, an ably- the closest to a full-compliance passing the formal compliance house can cost $10,000, or equipped oscilloscope, and some EMI receiver a designer will get test. This testing and associated more, and takes place over a EMI test and debug best practic- at low cost (Figure 2). A full EMI debugging can be done using number of days. es. While the EMI receivers can- receiver is top-tier equipment relatively low-cost spectrum an- The goal from the designer’s not be completely replaced by a with lots of expensive filters to alyzers and oscilloscopes. This assumes a solid under- standing of the equipment under test (EUT) and that some core best practices are followed.

The need for pre-compliance testing Compliance testing to one or more specifications, as defined by the FCC, CISPR, CE or other bodies, is standard practice to ensure devices do not interfere Figure 1: Catching EMC issues early in the design cycle can decrease the cost of compliance testing. with nearby equipment and that they are not susceptible to external interferers. However, the In- ternet of things (IoT) and subsequent technologies such as machine learning and artificial intelligence (AI) have resulted in the proliferation of RF technologies to gather data. As many designers quickly find out, incorporating RF is not easy. Custom designs usually take longer than expected, and while RF modules are an easier route, they too come with added complexity of circuits that both Figure 2: In receive mode, spectrum analyzers imitate higher cost EMI receivers and can be used for pre-

cause and are susceptible to compliance testing. & Schwarz Rohde Photo:

12 ELECTRONIC PRODUCTS & TECHNOLOGY / October 2018 EPT.CA

EPT_Oct2018_AMS.indd 12 2018-09-27 12:56 PM the greater the sensitivity, but the debug. Look for an oscilloscope precision decreases. So, as the with these key characteristics: source of EMI gets more clearly 50Ω coupling impedance to en- defined, reduce the size of the sure sufficient bandwidth; a probe in order to zero in on the sample rate >2x the maximum source and verify that the read- frequency (i.e., start with 2.5 ings are below the maximum al- Gsamples/s for 0 to 1 GHz); low lowable power levels. noise; good vertical sensitivity This requires having a solid capable of being set to 1 to 5 mV knowledge of the design to know per division while maintaining where these might be. Many full bandwidth. EMIs can be anticipated by fac- As the probe will be moving toring in the clock frequencies, around the board or system, it’s Figure 3: The larger the size of the E-field and H-field probes, the greater the power supply’s switching important that the scope’s re- their sensitivity, at the cost of precision. It helps to zero in on the EMI frequency, and the expected har- sponse time be fast so there’s no source by reducing the size of the probe. monics. delay when trying to correlate EMI back to the time domain. Some scope’s hardware acceler- help with dynamic range. ate the FFT to ensure the time The spectrum analyzer itself and frequency domain are seen will need at least a quasi-peak in real time. As the source of the (QP) detector with a directional EMI becomes clearer, the antenna as part of the minimum time-domain view should allow viable feature sets to approxi- the EMI source to be correlated mate a full EMI-compliant re- to changes such as bus level ceiver. The goal is to not switching. over-design the device. Without Other features to look for on a enough accuracy in the power scope include a color table and measurement with the QP, de- screen persistence to easily designers run the risk of adding tect and distinguish continuous additional shielding or over-de- wave signals and burst signals; signing the device, which adds signal zoom and fast Fourier weight, time, power consump- transform (FFT) gating to easily tion and direct costs. The trick is isolate spurious spectral compo- be just good enough to pass the nents in the time domain. These test for full compliance, without are features typical of the going overboard. RTE1000 or RTO2000 oscillo- The analyzer should have a scopes (Figure 4). frequency range from 5 kHz to 1 It’s possible to use lower cost GHz (upgradable to 3 GHz if Figure 4: RTO2000 oscilloscopes used for EMI Debug. scopes, but that sacrifices some need be), and a built-in vector frequency-domain capability network analyzer (VNA). The which is important during EMI VNA is a useful feature as this sufficient blocking at the receiver Knowing the layout is critical debug. can be used to match the antenna to allow the intended signal to as it helps to know when a clock impedance to the RF module if get through. line might be too close to an RF Conclusion there isn’t an RF antenna built in. To start pre-compliance test- module. This becomes some- Adding RF to an IoT device is ing, do a limit-line test, or max thing to watch for as it might be tricky, even if RF modules are hold sweep, with a max hold de- what’s coupling in and causing used. The module may be EMI To perform pre- tector, as that’s a fast and easy another spur that’s in a different compliant by itself, but, when compliance testing, test. Then, use the QP detector part of the spectrum. added to a real-world system, the first challenge to do spot checks on any poten- However, no matter how good with power supplies, clocks and is to isolate the tial problem areas. Use electric a designer’s knowledge of the parasitics, all in smaller form device under test field (E-field) and magnetic field physical layout and the circuit’s factors at lower power rails, the from ambient RF (H-field) near-field probes (Fig- design parameters, nothing beats whole system needs to be interferers ure 3). The magnetic field probe running the system software and checked. While compliance test- has a loop through, which the time-correlating the EMI to the ing is expensive, it can be limited magnetic field passes perpendic- running code. to one formal test by performing Some spectrum analyzers go ularly, inducing a detectable pre-compliance testing using further and actually integrate a voltage. Time-correlated EMI basic equipment and some clas- signal generator to form a ‘three- When using the probes, it’s testing and debug with an sic best practices. in-one’ instrument. The signal important to keep in mind that oscilloscope generator can be used to gener- the output of the probe very While a spectrum analyzer is an ate an additional signal in the much depends upon the orienta- affordable option to a full EMI Rich Markley is product presence of the intended trans- tion of the probe relative to the compliance receiver, the venera- manager for Rohde & mitter signal. This ‘interferer’ emitters. Also, there is a trade-off ble oscilloscope has a critical role Schwarz’s Value

Photo: Rohde & Schwarz Rohde Photo: tests to make sure there is to be made: the larger the probe, to play here, especially during Instruments.

@EPTmagazine October 2018 / EP&T 13

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EPT_Oct_Leviton.indd 1 2018-08-20 11:15 AM EPT_Oct2018_AMS.indd 15 2018-09-27 12:56 PM SUPPLY FEATURE CHAIN Manufacturer?

pacity there. While the IoT and automotive markets both dangle tremendous new opportunities for suppliers, smart phone manufacturers Do you remain the most significant source of demand for passive components and memory products. The math is simple: Approximate- ly 1.5 billion smart phones are manufactured Private Labeler? per year, with flagship models containing roughly 1,000 capacitors each. Multiply really know those two figures together and you will approximate half the total global output for MLCCs, which is estimated to be roughly three trillion pieces per year. Nor will demand from smart phone makers fade any your inductor time soon. Each new model integrates more components to keep up with consumer de- mands for functionality and speed. Sub-contractor? How to insulate your While all of these trends spell exciting new products for consumers, they signal higher risk for suppliers that continue to produce supply chain? products against the mature, less-profitable passive components. That risk extends to OEMs down the supply chain who are slow to transition to updated electronics shortage components. Why? Because any recovery in supply over BY GRAHAM SCOTT the next five years will likely take root first 3rd Party Broker? with electronics products that represent the most attractive investments to suppliers – While recent headlines crow Market by Market namely, those supporting the latest and about the steady approach of au- Compared to the automotive and smart greatest technologies. Relief may come as With tonomous and electric vehicles, phone market, the IoT represents a compar- soon as late 2019 for these technologies. the Internet of Things (IoT) and atively small ripple in demand for electronic the latest smart phone, a different, markedly components today. But, the tide is rapidly Surviving a Component Supply darker story has been unfolding at the other rising according to research group Gartner Shortage as an OEM end of the supply chain for over a year. Com- Inc., which predicts this market will grow by It is not enough, however, to simply seek Non-franchised Coilcraft Coilcraft panies that manage the electronic compo- more than 100% to encompass over 20 bil- shelter and wait for the storm to pass. OEMs nents have confronted successive waves of lion IoT devices within just two years as who take early action will likely see the earli- Distributor? supply shortages, price hikes and lengthen- sensors and connectivity are added to house- est signs of recovery. Those who wait may not ing lead times. Worse, it is difficult to predict hold appliances, packaging, medical devices, recover even after supply has fully restored. when this will change. industrial equipment and pretty much any There are several actions companies Technology headlines aside, electronics other analog product. should consider to prepare the way for suc- you do! companies and integrators are navigating a This trend overlaps somewhat with the cess: market caught in a perfect storm between automotive industry, as vehicles become Continually evolve their product design to Finally to Straight to supply and demand. On the demand side, more autonomous and connected. Though •keep pace with suppliers’ technology and there is a shortage of even without the production roadmaps Your Factory Your Factory materials and parts confluence of the • Continue to grow new alternative suppliers – especially for lega- You should continually IoT and transporta- • Minimize reliance on single-sourced parts cy components with- evolve your product designs tion, other automo- Increase collaboration and visibility between in commodities such to keep pace with suppliers’ tive trends would product design, procurement and supply as multilayer ceramic technology roadmap still be fueling high- chain organization. When you buy direct from Coilcraft, No private labelers. No middle men. capacitors (MLCC), er demand for elec- This last point cannot be understated. resistors, transistors, tronic components. Maintaining strong supplier relationships is you can trust that every order is 100% No counterfeits. diodes, and even memory. Suppliers are Cars driven by conventional combustion key, as suppliers impose allocation measures. genuine parts. After all, we are the only So, when sourcing RF and power mag- shifting capacity away from these legacy engines today integrate somewhere between Constant contact with suppliers is critical in components to pursue the opportunities af- 2,000 to 3,000 capacitors. However, these such circumstances to ensure you receive magnetics supplier that manufactures netics, don’t compromise. Trust the leader. forded by more profitable, headline tech- cars are increasingly sharing the road with components for the product you need versus every product we ship. Buy direct at www.coilcraft.com. nologies. electric vehicles that may have up to 22,000 the product the supplier wants to support. In short, capacity is constrained and de- MLCCs onboard. This number will contin- Further, the vital importance of these rela- mand for standard electronic components ue to grow, as more cars and automotive tionships only increases as stability returns to continues to grow as more evolved products functions become electrified. the supply side, as the most effective time to are needed to make once conventional prod- This increases demand for all electronics. build them is during a buyer’s market. ® ucts smart, and smart products even more But, the higher price-points for advanced functional. Many suppliers continue to automotive components and the relative Graham Scott is senior director of global commodity quote lead times between six to 12 months stability of that market makes it an attractive management, Jabil Inc., an EMS provider in St.

at best. target for passive suppliers to focus their ca- Petersburg FL. Images Getty Photo: WWW.COILCRAFT.COM 16 ELECTRONIC PRODUCTS & TECHNOLOGY / October 2018 EPT.CA

EPT_Oct2018_AMS.indd 16 2018-09-27 12:56 PM EPT_Oct_Coilcraft.indd 1 2018-08-29 9:52 AM Manufacturer? Do you Private Labeler? really know your inductor Sub-contractor? supply chain? 3rd Party Broker? With

Non-franchised Coilcraft Coilcraft Distributor? you do! Finally to Straight to Your Factory Your Factory

When you buy direct from Coilcraft, No private labelers. No middle men. you can trust that every order is 100% No counterfeits. genuine parts. After all, we are the only So, when sourcing RF and power mag- magnetics supplier that manufactures netics, don’t compromise. Trust the leader. every product we ship. Buy direct at www.coilcraft.com.

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EPT_Oct2018_AMS.inddEPT_Oct_Coilcraft.indd 1 17 2018-09-272018-08-29 12:56 9:52 PMAM MEDICAL ELECTRONICS FEATURE Preparing for the surgical robot boom Growth of the robotics market will improve the precision and effectiveness of complex, minimally-invasive surgeries

The da Vinci robotic surgical system.

because, in hospital environments with increasingly complex electrical requirements, ac power alone is not always reliable. The critical nature of the application means that even a momentary loss of power can have disastrous, even fatal, consequences. However, the traditional SLA batteries used in robotic systems have their drawbacks. The batteries are With greater investment This same growth is happening Healthcare bulky and unwieldy, offer relatively from healthcare organiza- across the world, and the popularity of organizations low energy density and require fre- tions and surgical robot the da Vinci system is an effective ba- continue to quent maintenance and servicing ev- technology about to be- rometer of the growing popularity. make greater ery two years. When you consider the come generic, the conditions are per- According to Intuitive Surgical, the investments into associated costs of this, it makes for a fect for a boom in the surgical robotics company behind the system, the da surgical robot relatively high total cost of ownership market. But, how can design engineers Vinci robot had sold 4,271 units glob- technology. — which is understandably undesir- and technical medical staff ensure ally as of September 30, 2017. More able for healthcare environments these new systems operate reliably than 50 per cent of these were installed where a strong return on investment and safely? Michele Windsor, global in the US alone. is important. marketing manager at surgical robot As The Economist reported in Fortunately, new movers into the battery manufacturer Accutronics, 2017, many of Intuitive Surgical’s surgical robots market have an oppor- has a solution. patents are due to expire soon, which tunity to bypass these traditional While they may sometimes feel like will bring with it greater competition problems by designing smart SLA a new medical technology, surgical from start-ups and established com- replacement batteries into the system. robots have actually been around for panies. This is ideal for the prosperity The role of design engineers in en- several decades. The first robot system of the robot market and will improve suring the safety of the next genera- successfully conducted a neurosurgi- the precision and effectiveness of tion of surgical robots is to consider cal biopsy in 1985, while the US Food complex, minimally-invasive surger- the proper critical backup power-sup- and Drug Administration (FDA) ap- ies. However, it does bring challenges ply early in the design process. By proved its first surgical robot — the da with it. considering alternatives to traditional Vinci surgical system — in 2000. If new companies enter the surgical SLAs, design engineers can help their However, it’s only in the past few robot market, it is critical that those projects outperform traditional sys- years that we’ve seen this technology systems are designed to the same tems, for longer, while maximizing really take off. In the UK, the number quality and safety standards as those patient safety. of surgical robots used in prostate produced by companies with more The surge in the number of medical cancer centres at National Health experience. This means that design technology manufacturers active in Services (NHS) hospitals tripled be- engineers working on the project must the surgical robot market in the com- tween 2010 and 2017. The NHS understand the importance of each ing years is sure to drive innovation in subsequently invited companies to component in the system, especially this space. tender for over CND$513M surgical critical back-up power components robot contract in January 2018, show- such as batteries. This article is supplied by Accutronics Ltd., a ing that the number of robot surgeons Traditionally, robot systems have UK supplier, designer and manufacturer of in the UK will continue to grow in the used sealed lead acid (SLA) batteries batteries & chargers for portable and handheld

coming years. as a back-up power source. This is electronic devices. da Vinci Robotics Images, Photo:

18 ELECTRONIC PRODUCTS & TECHNOLOGY / October 2018 EPT.CA

EPT_Oct2018_AMS.indd 18 2018-09-27 12:56 PM MEDICAL ELECTRONICS NEW PRODUCTS

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@EPTmagazine October 2018 / EP&T 19

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@EPTmagazine October 2018 / EP&T 21

EPT_JuneJuly_TDKLambda.indd 1 2018-05-09 2:09 PM EPT_Oct2018_AMS.indd 21 2018-09-27 12:56 PM TEARDOWN Oppo Find X on the rise BY JIM MIELKE, VP TEARDOWNS, ABI RESEARCH

ABI Research has been tearing down devices since 2011 and for now allow the user to access accounts by simply using the fingerprint the most part, we find that smartphones are all beginning to sensor instead of entering passwords (Apple eliminated the fingerprint resemble each other. While it is getting difficult to differentiate sensor in its latest version, too). The earpiece is still on the top front of the product features, there are still a few unique features that Find X, but it is just a small sliver of a hole at the top of the device (hardly most manufacturers are striving for. Edge-to-Edge display is one of them. noticeable as it blends in well with the very slim bezel). It’s obvious that 19” Rack However, there are several factors complicating the production of a true the front camera was where Oppo spent its real engineering time on the edge-to-edge display product such as the front camera, home button, Find X. The front camera, rear camera and front facial recognition are all Cabinets fingerprint ID, and earpiece. Oppo has found a way around each of these within a camera module, which is the full width of the phone, and rises out obstacles in the Find X. The Find X takes the easy way out for the home of the phone about 1cm when needed (unlocking the phone with facial button and fingerprint sensor simply by eliminating them. The home recognition or the use of the front or rear cameras). The module retracts button is not a big deal since a virtual one can be created on the display, when not in use. Here is a look at the major electrical components that but the fingerprint sensor elimination can be frustrating since some apps make up the Oppo Find X.

RF Qualcomm (Kryo camera. There is The RF front 385 cores), Spectra also an IR camera in end of the Oppo 280 ISP, Adreno the front that works Find X is comprised 630 visual with the dot of all the major RF processor, Aqstic projector for facial players: Qorvo audio, WiFi recognition. Other handling most of baseband, and a sensors include two the RF switching secure processing Knowles mems (including Antenna unit. Samsung microphones, AKM tuning), Skyworks provides both the compass, Bosch with 2G and 8GB DRAM and the accelerometer/ multi-mode power 128GB Flash gyro, and two amplifiers (PAs), memory. MagnaChip hall Avago with one PA, sensors for and Qualcomm Connectivity detecting the with LNA banks and The camera module an envelope connectivity movement. tracking power portion of the Oppo supply. Qualcomm Find X utilizes the Audio & Power also provides the Qualcomm management core chipset which WCN3990 The power includes the combination manage- SDR845 transceiver. connectivity chip ment within the that includes WiFi/ Oppo Find X is Modem/ BT and FM. Other made up of 4 chips Application supporting ICs are that are part of processor two of Qorvo’s dual Qualcomm’s As men- band front ends platform (PM845 tioned (QM48859), NXP PMU, WCD9341 above, the core GPS LNA, and two audio codec, chipset is from GPS filters (Murata PMI8998 interface, Qualcomm. The and Wisol). and PM8005 main component of transceiver power the chipset is the Sensors management). The 10nm SDM845 The Oppo platform chips are Relay Racks modem/application Find X is further supported 19” Accessories processor The loaded with camera by miscellaneous SDM845 chip pixels. There are regulators, includes an X20 LTE two rear cameras: amplifiers, and modem (1.2Gbps 16Mp and 20Mp drivers from TI, downlink/150Mbps with Optical image Richtek, Fairchild, uplink), an stabilization (OIS) ON Semi, and octa-core CPU from and a 25Mp front Maxim. These findings are from ABI Research’s Teardowns (https://teardowniq.com/), which include high-resolution photos and x-rays, pinpoint power measurements, detailed parts

lists, and block diagrams. ABI Research Photo:

22 ELECTRONIC PRODUCTS & TECHNOLOGY / October 2018 EPT.CA

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