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GAIN CONTROL METHODS AND SYSTEMS IN AN AMPLIFIER ASSEMBLY

  • US 20040104771A1
  • Filed: 01/30/2003
  • Published: 06/03/2004
  • Est. Priority Date: 12/02/2002
  • Status: Active Grant
First Claim
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1. An Automatic Gain Control (AGC) method, comprising:

  • (a) amplifying an input signal according to a gain, to produce an amplified output signal;

    (b) detecting a power of the amplified output signal;

    (c) determining if the detected power is between a high threshold and a low threshold; and

    (d) changing the gain so as to drive the detected power in a direction toward a target threshold between the high and low thresholds when the detected power is determined in step (c) to be not between the high and low thresholds.

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