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System and Method for Asymmetrically Adjusting Compensation Applied to a Signal

  • US 20070280389A1
  • Filed: 05/24/2007
  • Published: 12/06/2007
  • Est. Priority Date: 05/30/2006
  • Status: Active Grant
First Claim
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1. A method for adjusting a signal, comprising:

  • applying at least one of a loss compensation for frequency-dependent distortion and an offset compensation for DC-offset distortion to a signal before or after the distortion occurs to generate an output signal;

    using a clock signal, sampling the output signal to generate a plurality of data values and boundary values, each value comprising either a high value or a low value based on the sampling of the output signal; and

    based only on the high or low value of one or more of the data values and boundary values, adjusting at least one of the loss compensation and the offset compensation applied to the signal, wherein;

    if the at least one of the loss compensation and the offset compensation applied to the signal is to be increased, the at least one of the loss compensation and the offset compensation is increased by a first amount;

    if the at least one of the loss compensation and the offset compensation applied to the signal is to be decreased, the at least one of the loss compensation and the offset compensation is decreased by a second amount; and

    the magnitude of the first amount is not equal to the magnitude of the second amount.

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