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Tuning a variable resistance of a resistive sense element

  • US 8,289,748 B2
  • Filed: 07/06/2009
  • Issued: 10/16/2012
  • Est. Priority Date: 10/27/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • selecting a value in response to a detected impedance mismatch between a port and a circuit, the value indicative of a selected number of consecutive pulses corresponding to a correction resistance;

    setting a resistive sense element (RSE) to a baseline RSE resistance; and

    performing a tuning operation by applying the selected number of consecutive pulses to the RSE to tune the baseline RSE resistance to the correction that compensates for the impedance mismatch.

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