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System and method for independently adjusting multiple compensations applied to a signal

  • US 7,817,712 B2
  • Filed: 05/24/2007
  • Issued: 10/19/2010
  • Est. Priority Date: 05/30/2006
  • Status: Expired due to Fees
First Claim
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1. A method for adjusting a signal, comprising:

  • using one or more equalizers, applying a plurality of compensation for distortion to a signal to generate an output signal, wherein the plurality of compensation for distortion are applied in parallel by;

    communicating a first portion of the signal on a first path and a second portion of the signal on a second path;

    applying a first compensation to the first path and a second compensation to the second path; and

    combining at least the first path and the second path to compensate the signal for the distortion;

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

    using a controller, detecting a transition in value between two successive data values and determining a sampled boundary value between the two successive data values; and

    based at least on the high or low values of the boundary value and a plurality of data values before or after the boundary value, independently adjusting each compensation applied to the signal using the controller.

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