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POWER CONTROL OF RECONFIGURABLE OUTPHASING CHIREIX AMPLIFIERS AND METHODS

  • US 20110273236A1
  • Filed: 03/21/2011
  • Published: 11/10/2011
  • Est. Priority Date: 05/04/2010
  • Status: Active Grant
First Claim
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1. An integrated digital Chireix power amplifier device comprising:

  • a power transistor circuit comprising;

    a plurality of power transistors receiving a variable supply voltage, anda shunt-series circuit, wherein the power transistor circuit produces an output power proportional to the variable supply voltage;

    a broadband combiner having Chireix compensation elements; and

    an impedance matching filter, wherein the power transistor circuit, the broadband combiner, and the impedance matching filter are integrated in a unified package.

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