{"id":4486,"date":"2026-10-01T09:39:11","date_gmt":"2026-10-01T09:39:11","guid":{"rendered":"https:\/\/theemcnews.co.uk\/?page_id=4486"},"modified":"2026-10-01T09:41:52","modified_gmt":"2026-10-01T09:41:52","slug":"the-entire-range-of-automotive-emc-measurements-from-a-single-source","status":"publish","type":"page","link":"https:\/\/theemcnews.co.uk\/index.php\/the-entire-range-of-automotive-emc-measurements-from-a-single-source\/","title":{"rendered":"The entire range of automotive EMC measurements from a single source"},"content":{"rendered":"\t\t
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A modern vehicle is one of the most demanding electro-magnetic environments any electronic system has to operate in. High-voltage powertrains<\/b> switching at high frequency, sensitive radar and lidar sensors<\/b> at the heart of advanced driver assistance systems<\/b> (ADAS) demanding interference-free operation and a growing stack of wireless technologies \u2014 5G, V2X, GNSS, Bluetooth \u2014 all competing for coexistence within a confined space. As vehicles become more electrified, connected and autonomous, the electromagnetic challenges multiply<\/b>. So does the cost of getting it wrong.<\/p>

Addressing them all, at the same time, demands expertise across the full spectrum of automotive EMC testing<\/b> \u2014 from component-level emissions and immunity measurements to full-vehicle antenna testing<\/b>, automotive coexistence testing<\/b> and EMC functional validation under real-world conditions. For OEMs, tier-1 suppliers and test laboratories alike, meeting global standards such as CISPR and ISO<\/b> is the baseline. But for today’s vehicles, robust EMC performance goes well beyond regulatory compliance. It is fundamental to safety, to the quality of connected services, and to getting vehicles to market without costly late-stage surprises<\/p>

Next-generation automotive challenges driving EMC testing complexity<\/h2>

Electrification, autonomy and connectivity are transforming vehicles and creating electromagnetic environments far more complex than any previous generation of testing was designed to handle.<\/p>

Electrification<\/b> introduces fast-switching SiC and GaN<\/b> power semiconductors that generate substantially higher electromagnetic emissions than conventional internal combustion vehicle drivetrains. Add bidirectional charging to the picture and the challenge extends beyond the vehicle itself \u2014 EMC integrity must now be maintained in active interaction with external power infrastructure. These are primarily emissions challenges<\/b>, demanding measurement and control across a far wider frequency range than legacy automotive EMC testing ever covered.<\/p>

Autonomy<\/b> raises equally serious concerns, but on the immunity side. ADAS systems rely on highly sensitive sensors<\/b> \u2014 radar, lidar, cameras \u2014 operating in dense electromagnetic environments. RF interference that corrupts a radar signal isn’t a failed test \u2014 it’s a safety failure: the system can miss a real obstacle or respond to a phantom one. Validating sensor immunity and ensuring coexistence between ADAS systems<\/b> and the vehicle’s own electronics are among the most important challenges in modern automotive EMC testing.<\/p>

Connectivity<\/b> completes the picture \u2014 and introduces its own category of risk. The integration of 5G<\/b>, V2X<\/b>, GNSS<\/b> and multiple short-range wireless technologies into the vehicle architecture creates new pathways for interference between tightly co-located systems. And with over-the-air updates now standard, the vehicle’s electromagnetic profile can change even post-production \u2014 making vehicle OTA testing<\/b> an ongoing validation requirement, not a one-time checkbox.<\/p><\/div><\/div><\/div>

What’s changing for automotive EMC testing<\/h2>