RX - Common-mode current choke

This revision is from 2018/05/13 22:00. You can Restore it.

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rev. 1.0 5/2018 by Jan OK2ZAW

Noise Suppression by Common Mode Choke Coils

Common mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).

Great article from Chuck Counselman, W1HIS

How Common Mode Chokes Work by Würth Elektronik

Common mode current choke

  • Common mode current choke construction
  • Wind 4 to 5 turns on one side than cross to another side of cores and wind rest turns.