Blogs

Discover the key sources of uncertainty in radiated emissions testing and learn how to calculate measurement uncertainty budgets. Essential insights for EMC professionals seeking more accurate and reliable test results.

Discover essential but often overlooked aspects of compliance engineering, from material selection to ethical conduct. Learn practical insights for navigating regulatory landscapes while maintaining product safety and integrity.

A revealing EMI analysis of the popular BeagleBone Black processor board uncovers concerning radiation levels and design flaws, suggesting potential challenges for industrial applications. The detailed investigation includes near-field scans, cable current measurements, and PCB design review.

Reverberation chamber testing offers major EMC advantages over traditional methods by exposing units to electromagnetic fields from multiple angles simultaneously. This approach saves time, better simulates real-world conditions, and catches vulnerabilities earlier in development.

High-Intensity Radiated Fields (HIRF) are powerful man-made electromagnetic emissions that can disrupt aircraft electronics. Researchers from military and aviation agencies have extensively studied these fields to understand their potential risks and develop protective certification standards.

This month's Practical Engineering explains how to use the Welch-Satterthwaite formula to calculate the effective degrees of freedom and expanded uncertainty in a measurement uncertainty analysis. It provides a practical example to demonstrate the application of this formula.

This month's EMC Bench Notes reviews three affordable pre-compliance measurement software options that can simplify and automate the process of conducting in-house radiated emissions testing, saving time and costs compared to manual methods.

This detailed overview of electromagnetic immunity testing across defense, aerospace, and automotive industries explains why different sectors require unique standards to protect equipment from various electromagnetic threats and interference.

Understanding current flow patterns is crucial in EMC engineering, particularly the distinction between Common Mode and Differential Mode currents. Controlling current paths and providing local return paths helps reduce electromagnetic interference and improve immunity.

Mastering capacitor behavior is crucial for noise control in electronics. Understanding impedance variations with frequency, along with ESR and ESL components, helps engineers design effective filters. The piece explains how capacitors "dance" with frequencies to manage unwanted noise.