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Power amplifier control driver having over-current protection and linear control

  • US 20040198301A1
  • Filed: 12/06/2002
  • Published: 10/07/2004
  • Est. Priority Date: 12/06/2002
  • Status: Active Grant
First Claim
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1. A linear power control loop for a power amplifier, comprising:

  • a detector for providing a direct current (DC) baseband signal representing an output of a power amplifier;

    a comparator for comparing the DC baseband signal to a reference signal and generating an error signal;

    a filter; and

    a power amplifier control current driver for linearly controlling the output of the power amplifier.

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