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Envelope restoration scheme for linear high-efficiency power amplification

  • US 6,522,194 B1
  • Filed: 12/29/2000
  • Issued: 02/18/2003
  • Est. Priority Date: 12/29/2000
  • Status: Expired due to Term
First Claim
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1. An active switching circuit for providing a switched waveform input to a standard class E output load matching network in an amplifier, said circuit comprising:

  • a switch in communication with said input;

    a combining device receiving amplitude and phase information from a primary waveform, said amplitude and phase information being received independently from each other; and

    wherein said combining device combines said amplitude and phase information to create a control signal, said control signal being used to control said switch to create a secondary waveform for input to said matching network.

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