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Dual-band, dual-mode power amplifier

  • US 6,091,966 A
  • Filed: 09/29/1997
  • Issued: 07/18/2000
  • Est. Priority Date: 09/29/1997
  • Status: Expired due to Term
First Claim
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1. A power amplifier circuit for amplifying RF signals, said power amplifier circuit selectively operable in a linear mode or a nonlinear mode, comprising:

  • a first amplifier;

    a second amplifier;

    a diplex matching circuit coupled to said first amplifier, said diplex matching circuit having first and second outputs; and

    switching circuitry, coupled to the first output of said diplex matching circuit and the output of said low pass matching circuit, for selectively coupling said first diplex matching circuit output or said low pass matching circuit output to an output line when said amplifier circuit is selectively placed in said linear mode or said nonlinear mode, respectively.

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