CM/DM Noise Separation Using Oscilloscopes for More Efficient EMC Filter Design
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Date: Thursday, June 18th 2026
Webinar Overview
This webinar explains how separating common-mode (CM) and differential-mode (DM) noise helps engineers design more effective EMC input filters. It highlights how conducted emission measurements reveal power-converter behavior and why understanding noise propagation is essential for reducing interference. Using an oscilloscope such as the R&S RTO06, the session demonstrates time-correlated FFT techniques that capture CM and DM spectra, enabling targeted filter adjustments. Practical examples show an iterative workflow—measure, analyze, refine—to optimize X/Y capacitors and common-mode chokes. Overall, the webinar offers a hands-on guide to improving EMC performance through precise noise analysis and smarter filter design.
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