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AUTOMATIC BIAS CONTROLLER FOR A PULSED POWER AMPLIFIER

  • US 20180198414A1
  • Filed: 03/06/2018
  • Published: 07/12/2018
  • Est. Priority Date: 09/11/2015
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a power amplifier characterized by an associated quiescent current value;

    a measurement circuit configured to measure a current supplied to the power amplifier;

    a comparison circuit configured to compare the measured current to the quiescent current value; and

    a bias controller coupled to the comparison circuit, the bias controller configured to adjust a bias signal provided to the power amplifier based on the comparison, wherein the bias signal is adjusted between pulses for use with a next pulse.

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