pre-compliance

Three pre-compliance measurement software packages are put to the test, comparing how each one automates radiated emissions testing and shaves hours off manual measurement work. The review shares hands-on pricing, quirks, and lessons learned from running each tool in the field.

Ken Wyatt walks through pre-compliance radiated emissions testing for automotive modules under CISPR 25 and military products under MIL-STD-461, including spectrum analyzer setup and how to work around ambient RF interference on a home-built test bench.

Turning a spectrum analyzer reading into a real E-field number takes more than eyeballing the display. This installment walks through the gain and loss calculations, test setups, and ambient signal workarounds that determine whether your pre-compliance data actually holds up.

If pre-compliance activities are good for discovering EMC design weaknesses early in product development, why not apply the same thought process to product safety?

Pre-compliance testing saves time and costs by detecting potential problems early in the design process. The use of appropriate tools and techniques improves the chances of passing the full compliance test on the first try.

Without much effort and expense, it is possible to perform pre-compliance testing in a manner that saves considerable time and money without commercial or financial risks associated with purchasing a full-compliance test facility.