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Automatic gain control for enhanced bit error rate performance

  • US 8,175,562 B2
  • Filed: 10/27/2006
  • Issued: 05/08/2012
  • Est. Priority Date: 10/27/2006
  • Status: Active Grant
First Claim
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1. An apparatus including automatic gain control (AGC), the apparatus comprising:

  • at least one variable gain amplifier (VGA) operative to receive an input signal and to generate an amplified signal, a gain of the VGA being controlled as a function of at least a first control signal; and

    an AGC circuit coupled to the VGA and being operative to generate the first control signal as a function of at least the amplified signal, the AGC circuit having a bandwidth that is controlled as a function of at least a second control signal such that the bandwidth is independent of the amplified signal;

    wherein the AGC circuit is operative to receive the second control signal, the second control signal being indicative of a motion of the apparatus.

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