Blogs

EMC Bench Notes: Some Starting Tools

Tackle radiated emissions before heading to the test lab. This practical guide covers the essential workbench toolkit — near field probes, RF current probes, and spectrum analyzers — including DIY options and affordable commercial choices for identifying noise sources and reducing cable emissions.

Just Starting Out In EMC?

Learn the essentials of EMC troubleshooting for product designers with this introductory column from Kenneth Wyatt. It explains why EMC failures derail product launches, highlights core design challenges, and offers foundational resources to help engineers start diagnosing emissions and immunity issues directly on the bench.

Mastering Radiated Emissions Testing: Tips for Success in EMC Compliance

Radiated emissions testing is a critical—and complex—step in EMC compliance. This practical guide walks engineers through preparation, equipment setup, and troubleshooting strategies to help identify and resolve emissions issues before they become costly certification failures.

When to Re-Test

Changing enclosures, PCB layouts, component sources, or software doesn't mean the schematic changed—but it may mean your EMC certification did. This installment of Standards Practice breaks down which hardware modifications trigger the need for retesting, and why skipping it can be a costly mistake.

Navigating Accreditation: Why Testing Laboratories Need to Meet Global Standards

Global markets don’t run on assumptions—they run on accredited data. ISO/IEC 17025 laboratory accreditation gives manufacturers the consistency, accuracy, and credibility regulators expect. See why accreditation has become a competitive advantage across every major industry.
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Troubleshooting EFT, Part 1

Electrically fast transient (EFT/B) testing simulates switching and motor-induced transients that can disrupt electronic systems. This article explains the fundamentals of EFT immunity, outlines practical benchtop testing alternatives, and provides step-by-step guidance for identifying and resolving EFT susceptibility before formal compliance testing.

Common Compliance Pitfalls: Lessons Learned from Real-World Case Studies

Compliance failures can devastate product development—leading to recalls, financial losses, and long-term brand damage. This article explores real-world engineering case studies, including Samsung’s battery recall, Volkswagen’s emissions scandal, Intel’s processor bug, and Boeing’s 737 MAX issues, revealing actionable lessons to strengthen compliance, safety, and quality processes across industries.

Lightning, Part 2

Lightning currents flowing through an aircraft can couple into wiring in multiple ways, from magnetic‑field induction to capacitive coupling across seams, apertures, and composite structures. Part 2 explores how airframe materials, openings, and cable shielding affect the waveforms and levels imposed on onboard systems.

Choosing the Right Antenna for Compliance Testing: A Practical Guide

Choosing the right antenna can make or break your compliance testing results. This practical guide walks engineers through the essentials—frequency range, polarization, gain, and directivity—while decoding which antenna types deliver the most accurate, reliable measurements in real‑world EMC and RF test environments.

Confessions of an Automotive EMC Standards Junkie

Decades of global collaboration have shaped today’s automotive EMC standards. From CISPR 25 and ISO 11452 to UNECE R10, this piece reveals how harmonization, travel, technical debate, and human connection have created the consistent, repeatable EMC frameworks the industry depends on.
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