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VARIABLE-GAIN AMPLIFIER

  • US 20070296501A1
  • Filed: 06/11/2007
  • Published: 12/27/2007
  • Est. Priority Date: 06/12/2006
  • Status: Active Grant
First Claim
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1. A variable-gain amplifier comprising:

  • n pieces of cascode amplifiers each including a plurality of cascode-connected field effect transistors, n being an integer not fewer than two; and

    an attenuator;

    wherein said n pieces of cascode amplifiers are mutually connected in parallel via said attenuator.

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