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Method and system for adjusting and calibrating circuit parameters

  • US 6,226,562 B1
  • Filed: 09/10/1998
  • Issued: 05/01/2001
  • Est. Priority Date: 09/10/1998
  • Status: Expired due to Fees
First Claim
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1. A method for calibrating analog integrated circuits, said method comprising the steps of:

  • forming a single calibration circuit integral with a plurality of analog integrated circuits;

    generating a control signal and a calibration signal from said single calibration circuit;

    selectively coupling said control signal and said calibration signal to an input of a particular analog integrated circuit among said plurality of analog integrated circuits, enabling only said particular analog integrated circuit for calibration via said control signal;

    observing an output of said particular analog integrated circuit, in response to enabling said particular analog integrated circuit for calibration via said control signal, such that if an output of said particular analog integrated circuit corresponds to said calibration signal, a successful calibration of said particular analog integrated circuit is indicated; and

    thereafter calibrating at least one other analog integrated circuit among said plurality of analog integrated circuits.

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