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Signal Integrity Measurement Systems and Methods Using a Predominantly Digital Time-Base Generator

  • US 20080048726A1
  • Filed: 07/12/2007
  • Published: 02/28/2008
  • Est. Priority Date: 07/14/2006
  • Status: Active Grant
First Claim
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1. A tester for testing a circuit under test, comprising:

  • a time-base generator for generating a time-base signal as a function of a first clock signal, said time-base generator including;

    modulation circuitry for generating a rapidly varying phase signal as a function of said first clock signal; and

    a phase filter for receiving the rapidly varying phase signal and filtering therefrom unwanted high-frequency phase components so as to output the time-base signal; and

    a sampler for sampling a signal under test as a function of the time-base signal so as to output a sampled signal.

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