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Pre-Compliance Testing for Conducted Emissions – DC-Powered Devices

Learn how to perform in-house conducted emissions testing for DC-powered devices like automotive and medical equipment, using simple test setups and filters to reduce electromagnetic noise across various frequency ranges.

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IEEE Announces Student EMC Hardware Design Competition

IEEE's EMC Society invites students to compete in an RF source location challenge at the EMC+SIPI Symposium in Raleigh, NC. Three finalists will hunt hidden transmitters, with cash prizes awarded to the top performers.

FCC Warns Consumers of “Grandparent Scam” Robocalls

FCC warns of sophisticated "Grandparent Scam" targeting seniors, where robocallers impersonate relatives using personal details and AI-cloned voices to fabricate emergencies and trick victims into sending cash to fraudulent collectors.

More Pirate Radio Enforcement Efforts

The Enforcement Bureau of the U.S. Federal Communications Commission (FCC) is continuing its efforts to stem the incidence of pirate radio operations in the U.S. with another round of proposed fines of nearly $400,000.

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Compliance Resources

Common Test & Calibration Uses of a Portable Signal Generator in The Field

This versatile field device generates signals that mimic various sensors to test and calibrate equipment. It helps technicians troubleshoot connections and verify system performance. Portable and battery-powered, it's designed for on-site diagnostic work in industrial environments.

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Measuring Common Mode Versus Differential Mode Conducted Emissions

Conventional wisdom attributes conducted EMI emissions solely to power connections, but interface-sourced common-mode potentials often masquerade as power terminal issues. Discover how to properly identify and address the true origins of your EMI challenges.

Companies Seek Waiver of Rules for UWB Systems

Tesla and two additional technology companies are seeking waivers of current U.S. Federal Communications Commission (FCC) regulations to obtain equipment authorization to use advanced ultra-wideband (UWB) technologies in their respective products.

FCC Evaluating Rules to Mitigate Loudness of Broadcast Advertisements

The U.S. Federal Communications Commission (FCC) is seeking public comment on its plan to update its rules on the permitted sound volume of advertisements shown on network, cable, and satellite television broadcasting.

EU Commission Issues Infringement Decision on Failure to Transpose EU RoHS

The Commission of the European Union (EU) has stepped up its efforts to ensure that Member States implement the provisions of the EU Directive on hazardous substances in electrical and electronic equipment.

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Feature Articles

Tailoring MIL-STD-461 RE102

This article describes the parameters that can be used to tailor your application of MIL-STD-461 RE102, such as frequency ranges, designing notches, and relaxing limits.

A Circuit Model for the Charged Device Model Spark

The charged device model spark itself is not just resistive; it often has extra inductance or L-C energy storage. These plus hardware properties affect the CDM waveform and affect methods to correlate alternate CDM test methods to standard JEDEC CDM.

Tackling Low-Voltage Signaling in Inverter Design: Part 2

Discover practical strategies for managing noise in high-power inverter designs. From component selection and PCB stack-up to routing techniques, learn how to protect sensitive low-voltage signals while maintaining system performance. Essential reading for engineers working with mixed-signal power electronics designs.

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