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Nonlinear filter

  • US 7,358,798 B1
  • Filed: 01/14/2005
  • Issued: 04/15/2008
  • Est. Priority Date: 02/21/2003
  • Status: Expired due to Term
First Claim
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1. An analog to digital converter system comprising:

  • an analog to digital converter (ADC); and

    an adaptive filter coupled to the ADC;

    wherein;

    the adaptive filter includes a nonlinear filter having a filter characteristic that is adaptable;

    the adaptive filter is coupled to the ADC in a feedforward configuration; and

    the adaptive filter is trained to reduce an error of an output of the ADC.

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