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Apparatus and method for testing high-speed serial transmitters and other devices

  • US 8,037,371 B1
  • Filed: 05/14/2007
  • Issued: 10/11/2011
  • Est. Priority Date: 05/14/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating a plurality of first beats based on a comparison of first differential signals to one another using a first comparator, the first differential signals from a device under test;

    generating a plurality of second beats based on a comparison of (i) the first differential signals and (ii) second differential signals from a digital-to-analog converter using a second comparator;

    receiving at an analyzer the first and second beats, the analyzer coupled to outputs of the first and second comparators; and

    determining one or more characteristics of the device under test using the first and second beats at the analyzer.

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