Mastering EMC One Level at a Time

LEVEL 4

This page is scheduled to be completed in September 2026.  

These topics are worth reviewing if they were not part of your university education or if you are not completely comfortable with them. Once you've mastered these essential engineering fundamentals, you're ready to move to the next level.

EMC Standards
and Software

EMC Question
of the Week

A schematic for a DC power line filter is shown in the figure. The device is located in a metal enclosure. In order to filter the common-mode power bus noise effectively, which of the components shown in the schematic must be eliminated?  

  1. L2
  2. L3
  3. CX1 and CX2
  4. CX4 and CX5
A poor common-mode filter design

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