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POWER AMPLIFIER CIRCUIT

  • US 20190326857A1
  • Filed: 07/01/2019
  • Published: 10/24/2019
  • Est. Priority Date: 11/25/2016
  • Status: Active Grant
First Claim
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1. A power amplifier circuit comprising:

  • a first transistor;

    a second transistor;

    a first bias circuit that supplies a first bias current or a first bias voltage;

    a second bias circuit that supplies a second bias current or a second bias voltage; and

    a first capacitor, wherein;

    an emitter of the first transistor is grounded,a radio frequency signal, and the first bias current or the first bias voltage, are supplied to a base of the first transistor,an emitter of the second transistor is connected to the collector of the first transistor via the first capacitor, and is grounded, andthe second bias current or the second bias voltage is supplied to a base of the second transistor.

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