Input circuitry for transistor power amplifier and method for designing such circuitry

Input circuitry for transistor power amplifier and method for designing such circuitry

  • CN 101,796,720 A
  • Filed: 07/21/2008
  • Published: 08/04/2010
  • Est. Priority Date: 09/07/2007
  • Status: Active Application
First Claim
Patent Images

1. circuit comprises:

  • Input matching network;

    Transistor, it is coupled to the output of described impedance network;

    AndWherein, when when described input matching network is presented the input signal with low relatively power level, described input matching network has first input impedance, and wherein, when when described input matching network is presented the input signal with high relatively power level, described input matching network has the input impedance that is different from described first input impedance.

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