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Linear data recovery phase detector

  • US 20020009167A1
  • Filed: 05/22/2001
  • Published: 01/24/2002
  • Est. Priority Date: 05/22/2000
  • Status: Active Grant
First Claim
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1. A method for recovering a clock from a data input sequence, comprising:

  • sampling, according to a sampling clock, the input sequence such that a first set of samples corresponds to data values and a second set of samples corresponds to edges between the data values;

    determining phase error between data transitions in the input sequence and the sampling clock phase, based on amplitudes of the sampled edges; and

    adjusting the sampling clock'"'"'s phase based on the determined phase error.

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