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APPARATUS AND METHODS FOR POWER AMPLIFIERS WITH AN INJECTION-LOCKED OSCILLATOR DRIVER STAGE

  • US 20170324388A1
  • Filed: 05/02/2017
  • Published: 11/09/2017
  • Est. Priority Date: 05/05/2016
  • Status: Active Grant
First Claim
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1. A multi-mode power amplifier comprising:

  • a driver stage including an injection-locked oscillator configured to receive a radio frequency input signal and to generate an injection-locked radio frequency signal;

    an output stage configured to amplify the injection-locked radio frequency signal to generate a radio frequency output signal, the output stage configured to receive power from an adjustable supply voltage; and

    a supply control circuit configured to control a voltage level of the adjustable supply voltage based on a mode of the multi-mode power amplifier.

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