EMC Bench Notes

Pre-Compliance Testing for Radiated Emissions, Part 2: Making the Measurement

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.

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U.S. Federal Communications Commission (FCC)

FCC Takes Action Against Unlawful Drones

The FCC moves to revoke equipment authorizations for a drone maker accused of falsely claiming where its uncrewed aircraft are actually built, after the company failed to respond to the agency's requests for documentation, a case that could reshape how regulators verify country-of-origin claims for connected devices.
U.S. Food and Drug Administration (FDA)

FDA Releases Latest Data 510(k) Third-Party Perform

The FDA opens the books on how its accredited third-party reviewers are performing under the 510(k) pathway, revealing review times that stretch well beyond agency averages in some cases. The data offers device makers a rare look at where third-party review speeds up, and where it stalls, market access.
Global Compliance News

Brazil Publishes Regulations on Hazardous Materials in Electronics

Brazil's environmental regulator sets new concentration limits for hazardous substances in electronics, with a phased compliance schedule and a new national registry for covered equipment. See which substances are restricted and how manufacturers, importers, and distributors will need to comply.

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Compliance Resources

White Papers

Automation-Ready Electrical Safety Testing For Smart Manufacturing

Learn how electrical safety testing must adapt to Industry 4.0 production environments with automated, high-speed hipot testing. This application note explains how programmable tests, seamless PLC/robot integration, and traceable data capture with Vitrek testers help manufacturers boost throughput, improve quality, and maintain compliance in smart, automated production lines.

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European Union

EU Commission Exempts Certain Products from Battery Replaceability Requirements

The EU Commission adds several product categories to its list of exemptions from consumer battery replaceability rules, citing safety and technical complexity. Learn which devices are affected and what the exemption could mean for manufacturers navigating the EU's evolving battery regulations.
U.S. Federal Communications Commission (FCC)

FCC Makes Broadband Label Requirements More Consumer-Friendly

The FCC overhauls its broadband label requirements, aiming to make monthly costs and service details easier for consumers to compare across providers. Find out how the updated rules change what internet service providers must disclose, and the added flexibility they now have in explaining it.

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Feature Articles

Design

Designing with PMICs into Modern Embedded Architectures

A PMIC that powers every rail correctly on the bench can still fail in the field: brownouts, ignored monitoring features, and broken power-up ordering are common late-stage surprises. Here's the framework for catching them before schematic capture, not after.
Design

Filter Designs for Switched Power Converters: Part 3

Most EMI filter manufacturers validate performance in a clean 50-ohm environment, but real converters rarely operate that way. See what happens to insertion loss when source and load impedance reflect actual operating conditions, and why the gap matters.

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