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Practical Engineering

Introduction to Measurement Uncertainty in EMC Testing

Explore the hidden complexities of measurement uncertainty in EMC testing, where precision meets practicality. Learn how subtle variations in measurements can impact product compliance, engineering decisions, and ultimately, market success.

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European Union

EU Common Charger Rules Now in Effect

Regulations standardizing the use of USB-C-charging technologies are now in effect throughout the European Union (EU) and applicable to all mobile phones and other portable electronic devices sold or marketed there.

U.S. Federal Communications Commission (FCC)

FCC Issues Annual Robocalls Report

The U.S. Federal Communications Commission (FCC) has released its annual report to Congress detailing consumer complaints and enforcement actions in connection with illegal robocalls.

Global Compliance News

A Circuit Board Grown from Leaves??

As the world struggles to get control over the rapid escalation in the growth of electronic waste, a group of scientists may have come up with an innovative natural solution that could significantly increase the production of biodegradable electronics.

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Calculators

Antenna Factor and Gain Calculations

Antenna Factor and Gain metrics provide crucial insights into antenna performance, allowing engineers to calculate signal strength relationships and directional effectiveness. These measurements help optimize RF systems by comparing actual antenna behavior to theoretical isotropic radiators using standardized 50-ohm configurations.

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U.S. Federal Communications Commission (FCC)

More FCC Fines for Pirate Radio Operators in Boston Area

The Enforcement Bureau of the U.S. Federal Communications Commission (FCC) is continuing its active pursuit of illegal radio operations, announcing the latest round of fines against pirate radio operators.

Engineering News

SOIC & SOT: The Microchips: Engineers Choose the Ten Best STEM Toys to Gift

Purdue University's Engineering Education College has selected "SOIC and SOT" as the #1 children's book on its pre-engineering STEM gift-giving guide.

Global Compliance News

Researchers Efficiently Convert Heat to Light

To help create a safer and less toxic energy storage alternative to batteries, a group of researchers at Rice University are actively exploring the development of a super-efficient storage technology that efficiently converts heat to electricity.

Career Guidance

Continuing Your Professional Education in 2025

Advance your technical career in 2025 with this comprehensive guide to EMC and compliance training opportunities. From virtual seminars and on-demand courses to international conferences and symposia, discover free and affordable resources designed to enhance your professional expertise and stay current in the field.

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Feature Articles

Design

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.

Standards and Compliance

China’s GB 31241-2022 Standard

Learn about China's new mandatory safety requirements for lithium-ion batteries in portable electronics. This comprehensive guide explores the GB 31241-2022 standard's essential test procedures, certification requirements, and key changes that manufacturers must implement for market compliance.

EMC Testing

EMC Testing of E-Motor Systems

Explore essential strategies for EMC testing of electric axles in automotive applications. This technical guide examines key challenges in achieving CISPR 25 compliance, from test bench design to managing metallic structures, while ensuring accurate and reproducible measurements for high-power e-drive systems.

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