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Transmission output control circuit

  • US 5,214,393 A
  • Filed: 08/06/1991
  • Issued: 05/25/1993
  • Est. Priority Date: 08/20/1990
  • Status: Expired due to Term
First Claim
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1. A transmission output control circuit comprising:

  • a transmission power amplifying circuit for amplifying a transmission power;

    a directional coupler for separating a part of an output of the transmission power amplifying circuit;

    a serial circuit of a variable attenuating circuit and a non-linear amplifier, said serial circuit receiving an output separated by said directional coupler;

    a detecting circuit which receives an output of the serial circuit; and

    control means for controlling an amplification factor of the transmission power amplifying circuit in accordance with a result of a comparison between an output of the detecting circuit and a reference value.

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