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Circuit for power amplification

  • US 20060066396A1
  • Filed: 07/21/2003
  • Published: 03/30/2006
  • Est. Priority Date: 08/01/2002
  • Status: Active Grant
First Claim
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1. A method of controlling output from a power amplifier which has a driver stage and an output stage, the method comprising:

  • detecting a first and a second electrical parameter at an output of the output stage;

    processing the first parameter with a first reference signal to generate a bias control signal;

    processing the second parameter with a second reference signal to generate a bias reduction signal;

    feeding the bias control signal to an input of both the driver and the output stages;

    feeding the bias reduction signal to an input of the driver stage.

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