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Direct conversion receiver architecture

  • US 20020160734A1
  • Filed: 12/21/2001
  • Published: 10/31/2002
  • Est. Priority Date: 02/16/2001
  • Status: Active Grant
First Claim
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1. An automatic gain control (AGC) apparatus comprising:

  • an analog variable gain amplifier;

    a digital variable gain amplifier coupled to an output of the analog variable gain amplifier; and

    a gain controller adapted to measure a signal output from the digital variable gain amplifier and to control the gains of the analog and digital variable gain amplifiers.

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