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Outphasing modulator

  • US 20050110590A1
  • Filed: 11/25/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/25/2003
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • an outphasing modulator to provide at least first and second outphased signals to a power amplifier, wherein amplitudes of the first and second outphased signals are controlled, at least in part, by an amplitude modulation controller, which is able to vary an amplitude level of first and second control signals, respectively, according to a selected modulation method.

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