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Adaptive equalization using a minimum- jitter criterion

  • US 5,991,339 A
  • Filed: 01/16/1998
  • Issued: 11/23/1999
  • Est. Priority Date: 01/16/1998
  • Status: Expired due to Term
First Claim
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1. An adaptive equalizer, comprising:

  • a variable filter having an input to receive an input signal and an adjustable transfer function to produce a filtered signal based on the input signal;

    a detector coupled to the variable filter to receive the filtered signal and produce a decoded signal based on the filtered signal;

    a clock and data recovery unit coupled to the detector to receive the decoded signal and produce a recovered signal based on the decoded signal; and

    an adaptation control unit coupled to the clock and data recovery unit to receive the recovered signal, and coupled to the variable filter to provide an adjustment signal according to a determination of jitter of the filtered signal.

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