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Circuit for and method of decreasing conducted and radiated electromagnetic interference of a power converter and a full bridge power converter employing the same

  • US 5,877,951 A
  • Filed: 10/14/1997
  • Issued: 03/02/1999
  • Est. Priority Date: 10/14/1997
  • Status: Expired due to Fees
First Claim
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1. For use in a power converter having a controlled full bridge coupled to a transformer, said bridge delivering power received from an input of said power converter to a primary winding of said transformer, a circuit for decreasing conducted and radiated electromagnetic interference of said power converter, comprising:

  • a switching circuit, coupled across at least a portion of said primary winding, that closes to short said portion as a function of a state of said full bridge to stabilize a voltage level of said primary winding.

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