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Method of protecting power amplifiers

  • US 7,751,784 B2
  • Filed: 06/30/2004
  • Issued: 07/06/2010
  • Est. Priority Date: 06/30/2004
  • Status: Active Grant
First Claim
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1. A method of protecting an RF power amplifier comprising:

  • sensing the temperature in an RF power amplifier;

    determining whether a first temperature threshold has been reached;

    if the first temperature threshold has been reached, changing the operation of the RF power amplifier to reduce the temperature of the RF power amplifier;

    determining whether a second temperature threshold has been reached, wherein the second temperature threshold is greater than the first temperature threshold; and

    if the second temperature threshold has been reached, shutting down the RF power amplifier.

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