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From the Creators of Interference TechnologyI N T R O D U C I N GTHERE’S ONLY ONE SPOTLIGHTARE YOU IN IT?Positioning Ambitious B2B Electronics Companiesfor Aggressive Growthwww.lectrixgroup.comPHILADELPHIA, PA HONG KONG

2020 AUTOMOTIVE EMC GUIDETABLE OF CONTENTSEMC EquipmentManufacturers Matrix6EMC/EMI Challenges for the Connected Car9Overcoming 76-81 GHz AutomotiveRadar EMC Challenges12Automotive EMC17ASAD BAJWAEMC Lab Director/Business Manager, Keysight TechnologiesZACHARIAH PETERSONAltiumMAURIZIO Di PAOLO EMILIO, PH.DREFERENCE SECTIONReferences22Automotive EMC Conferences25Index of Advertisers26(Test Labs, Groups, Publications, & LinkedIn Groups)Cover image for the 2020 Automotive EMC Guide was provided by:Günter Nimtz, under public domain & WIkipedia 3 Interference Technology Guide Series

Solutions for EMC Automotive TestingFrom bench-top component testing to full vehicle testing, MVG has a unique setexpertise and experience to help you find the right solution for your needs.The choice of chambers and features depends on the standards and type of testing to be done.Our team at MVG can help you in making the right decision. We design, manufacture,and install shielded enclosures, anechoic chambers, shielded doors, absorbers and more.Whether it be component or full vehicle EMC testing,antenna measurement testing, or more,MVG can help you evaluate and choosethe best solution for your needs.Here are some factorsto take into account whenconsidering one chamber for combinedtesting vs two separate chambers: Standard and type of testing Chamber/absorber performance requirements Size and operation of door Size of turntable and dynamometer Ground plane variations (e.g., PEC vs EEGP) Specialized EUT power requirements Exhaust handling and HVAC Fire SuppressionPowered byContact your local sales representativefor more / MVG 2019 - Graphic design:, pictures: all rights reserved. Product specifications and descriptions in this document are subject to change without notice. Actual products may differ in appearance from images shown.FLEXIBLE EMC TESTAND MEASUREMENT SOLUTIONS

2020 AUTOMOTIVE EMC GUIDEINTRODUCTIONJennifer ArroyoEditorial Director, Interference TechnologyheadshotHello, and welcome to the 2020 edition of the Automotive EMC Guide from InterferenceTechnology. We hope you enjoy the informative articles and helpful resources and references we have featured in this guide.Mitigating issues with electromagnetic interference (EMI) is crucial in the automotive industry, especially as vehicles become more connected and include high-level and demanding electronic systems. It is now commonplace for cars to feature infotainment systemscomplete with wireless connectivity, and soon we will be moving toward fully autonomousvehicles that rely on radar and other RF technologies.This year’s guide features articles that center on identifying automotive EMC challenges and offering solutions. Ourfirst article is titled “EMC/EMI Challenges for the Connected Car” by Asad Bajwa, and it focuses on the increasinglyconnected vehicle, which can lead to a number of EMI issues and the steps that engineers can take to reduce them.Next, we include an article called “Overcoming 76-81 GHz Automotive Radar EMC Challenges” by Zachariah Peterson, which explains some of the challenges with automotive radar for autonomous vehicles and ways to overcomethem. Rounding out our articles is “Automotive EMC” by Maurizio Di Paolo Emilio, that discusses the need for moreadvanced EMC design in vehicles and improved testing.Finally, I wanted to note the new downloadable EMC guides we’ve produced last year. If you visit our homepage, you’llsee the list of guides. Some of the more popular ones include Military/Aerospace, Testing, Wireless & IoT, and EMCFundamentals.Cheers,Jennifer ArroyoEditorial Director, Interference 5 Interference Technology Guide Series

EMC EQUIPMENT MANUFACTURERS MATRIXThe following chart is a quick reference guide of test equipment and includes everything you’ll need from the bareminimum required for key evaluation testing, probing, and troubleshooting, to setting up a full in-house precompliance or full compliance test lab. The list includes amplifiers, antennas, current probes, ESD simulators, LISNs, nearfield probes, RF signal generators, spectrum analyzers, EMI receivers, and TEM cells. Equipment rental companiesare also listed. The products listed can help you evaluate radiated and conducted emissions, radiated and conductedimmunity, and a host of other immunity tests, such as ESD and EFT.ManufacturerType of Product/ServiceContact Information - URLAntennasAmplifiersNear Field ProbesCurrent ProbesSpectrum Analyzers/EMI ReceiversSoftware SimulationESD SimulatorsLISNsRadiated ImmunityConducted ImmunityPre-Compliance TestTEM CellsRental CompaniesRF Signal GeneratorsEMC Equipment ManufacturersA.H. Systemswww.ahsystems.comXXAaronia AGwww.aaronia.comXXAdvanced Test Equipment Rentalswww.atecorp.comXXAltairwww.altair.comAR RF/Microwave omBeehive .coilcraft.comCST Computer Simulation Technologywww.cst.comElectro Rentwww.electrorent.comEM Testwww.emtest.comEMC Partnerwww.emc-partner.comEmpower RF en.comFischer Custom Communicationswww.fischercc.comGauss XXXXX 6 XInterference Technology Guide Series

2020 AUTOMOTIVE EMC GUIDEManufacturerType of Product/ServiceContact Information - URLAntennasAmplifiersNear Field ProbesCurrent ProbesSpectrum Analyzers/EMI ReceiversSoftware SimulationESD SimulatorsLISNsRadiated ImmunityConducted ImmunityPre-Compliance TestTEM CellsRental CompaniesRF Signal GeneratorsEMC Equipment ManufacturersInstrument Rental Labswww.testequip.comXInstruments For Industry (IFI)www.ifi.comXKeysight comOphir RFwww.ophirrf.comPearson Electronicswww.pearsonelectronics.comRigol Technologieswww.rigolna.comRohde & Schwarzwww.rohde-schwarz.comSiglent Houndwww.signalhound.comTekBox qwww.teseq.comXTest Keytekwww.thermofisher.comThurlby Thandar (AIM-TTi)www.aimtti.comToyotech tibility/ XTPIwww.rf-consultant.comTransient www.trsrentelco.comVectawave Technologywww.vectawave.comWindfreak XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 7 XInterference Technology Guide Series

Advanced Magneticsfor ADASFrom high-current, high-efficiency power inductors tofilter components for a variety of communications buses, Coilcraft hasthe magnetics for all of your Advanced Driver Assistance SystemsCoilcraft offers a wide range ofAEC-Q200 qualified products engineeredfor the latest advanced driver assistancesystems, including high-temperature, highpower density power inductors for radar,camera and LiDAR applications.Our compact, low-profile t temperature stability up to 125 Cand high performance for time-of-flight (TOF)sensing.Also choose from our broad selection ofcommon mode chokes and filter elements fora variety of communications buses.To learn more about our advancedsolutionsforADASandotherautomotive/ high-temp applications, visit usat WWW.COILCRAFT.COM

EMC/EMI CHALLENGESFOR THE CONNECTED CARAsad BajwaEMC Lab Director/Business Manager Keysight TechnologiesAbstractOur automobiles are becoming more connected and reliant on wireless connectivity, and at the same time, thenumber of high-compute internal systems is rapidly increasing. Like any high-speed, complex digital electronicsystem, automotive electronics can be both a cause of, and highly sensitive to, electromagnetic interference (EMI),and the consequences of failure can be fatal. In this article, we discuss sources of EMI, and steps engineers cantake to identify, isolate, and reduce its impact.KeywordsEMC, EMI, EMS, PXI, automotive test, connected car, test for manufacture, time domain scan, TDS, safety standards, CISPR 16-1-1, radiated emissions, conducted emissions, IEC, ANSI C62.3, radiated 9 Interference Technology Guide Series

2020 AUTOMOTIVE EMC GUIDEEMC/EMI CHALLENGESFOR THE CONNECTED CARIn 1915, a book was published—The Model T Ford Car:Its Construction, Operation and Repair, by Victor W. Page[1]. It explained the “operating principles of all parts of theautomobile” and extended to just 302 pages (with advertisements). How big would the book be to describe theoperating principles of a modern car? Just the 100 million lines of code in 100 embedded processors wouldfill around 10,000 books. The complexity of cars todayis extreme with interconnected functional, control, safety, driver assistance, communications, and infotainmentelectronic systems.The picture is more complicated when ‘V2X’ interactionsare included: Vehicle-to-Vehicle, Vehicle-to-Infrastructure, Vehicle-to-Person, and Vehicle-to-Network. Withsemi- or fully-autonomous driving, complexity, and safetyconcerns multiply up further.It’s clear that keeping a heavy vehicle loaded with explosive fuel, or high-energy batteries safe at high speed,requires all of the on-board systems to interface correctlywith no surprises. While the highest levels of engineering discipline in design can define and control the electrical and mechanical interfaces, electromagnetic effectsand compatibility (EMC) are much harder to predict. Theconsequences of system interference can be dire—therehave been reports of airbags spontaneously deploying,triggered by emergency service vehicle RF transmissionsand engine management, and cruise control systems demanding ‘full throttle’ when subjected to EMI [2].Robust designs are therefore necessary to ensure system EMC along with verification by simulation and test toautomotive compliance standards.A COHERENT APPROACH TO TESTTHROUGH INTERNATIONAL STANDARDSWhile good design practices and use of EMC/EMI simulation tools can minimize an electronic system’s EMIsusceptibility and emissions, performance is often affected by the installation conditions and interconnectionswith other equipment. With components, modules, andsub-systems sourced from multiple tiers of suppliers,individual EMC performance can only be characterizedunder agreed ‘standard’ conditions, which may not matchthe intended EMC/EMI environment. Compliance at allcomponent, module, and system levels, though, is agood starting point.The ultimate goal is to achieve certification of the vehicle to relevant standards, including EMC, with an ‘E’mark, mandatory in the EU and other countries that havesigned up to the scheme. The E-mark is applied to components, separate technical units (STU), and lies (ESA) as well as the complete vehicle.For most countries, the relevant automotive EMC standard is United Nations regulation ECE R10, currently atrevision 5, which also covers EMC requirements for electric (EV) and hybrid-electric vehicles (HEV). For the U.S.,the Society of Automotive Engineers (SAE) and automotive OEMs set the standards. These generally referenceinternational standards for EMI limits and test methods,as defined by ISO, IEC, CISPR as well as American ANSIdocuments. Other countries, such as India and China,have local requirements. Vehicle manufacturers havetheir internal standards too, often with more stringentspecifications, such as Ford CS2009, Chrysler- Fiat CS11979, or Nissan NDS02.The automotive environment is hostile, with conductedand radiated emissions from high-power switching converters and data lines, as well as transients and dipsfrom load dumps and current surges but new automotivetechnologies and operating conditions are adding to theburden, and test standards must evolve to match. Forexample, ECE R10 EMC requirements now differentiatebetween electric vehicles at charging stations or on theroad. Also, the introduction of new RF technologies suchas automotive radar systems at 24/77/79 GHz and 5Gconnectivity, which can also operate between 24 and 86GHz require verification for compatibility with each otherand existing car systems.Applying the EMC standards and employing certification agencies to achieve E-marking for components andsub-assemblies, with supporting simulation, test documentation, and manufacturing quality control are obligatory—and necessary, as an EMC failure at the vehiclelevel can be extremely expensive to rectify.THE EMC ENVIRONMENTEMC concerns range across all the systems in automotive applications from traction motor drives in EVs toBluetoothTM connection for infotainment, involving thewhole RF spectrum from kHz to GHz (Figure 1).Figure 1: Automotive EMI considerations cover the whole RF spectrum. (ImageSource: Keysight) 10 Interference Technology Guide Series

2020 AUTOMOTIVE EMC GUIDEEMI is categorized into four areas, conducted/radiatedemissions and conducted/radiated susceptibility, withtheir specific compliance standards and limits. Conducted emissions can be measured in open lab conditions,but radia

Automotive EMC Guide. from . Interference Technology. We hope you enjoy the informative articles and helpful resources and refer-ences we have featured in this guide. Mitigating issues with electromagnetic interference (EMI) is crucial in the automotive indus - try, especially as vehicles become more connected and include high-level and demand- ing electronic systems. It is now commonplace for .

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