Mastering EMC One Level at a Time

LEVEL 8 - Grounding

This page is a work-in-progress. Please check back later.  

  • The Definition of Ground
  • Grounding for Safety
  • Grounding for EMC
  • Ground vs. Current Return
  • Circuit Board Ground
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 1.0-volt, 100-Mbps, single-ended signal driver sends a signal to a matched load on a 1-meter cable. Which of the following cable options is least likely to cause a radiated emissions problem?  

  1. coax with shield grounded at connector
  2. coax with shield grounded at source location
  3. twisted wire pair with one wire grounded at connector
  4. coax with shield grounded through a 5-mm pigtail

Answer to this week's question

Answer to last week's question

Four identical signal drivers driving 4 1-meter cables