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Method and apparatus for determining a loss of signal condition

  • US 7,254,169 B1
  • Filed: 12/11/2001
  • Issued: 08/07/2007
  • Est. Priority Date: 07/03/2001
  • Status: Active Grant
First Claim
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1. A method comprising:

  • comparing signal strength of a plurality of data bits of an input data stream to a signal strength threshold level and generating an indication thereof;

    determining a count value according to the indication; and

    generating a loss-of-signal indication according to the count value,wherein the count value is a number of data bits having a signal strength above the signal strength threshold level.

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