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Method and apparatus for controlling impedance

DC
  • US 6,157,215 A
  • Filed: 06/29/1998
  • Issued: 12/05/2000
  • Est. Priority Date: 06/29/1998
  • Status: Expired due to Term
First Claim
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1. An integrated circuit having a variable impedance component comprising:

  • an output terminal;

    a voltage potential terminal;

    a variable impedance circuit connected to said voltage potential terminal and said output terminal, the impedance value of said variable impedance circuit being variable in accordance with an applied control signal; and

    a passive impedance connected in series with said variable impedance circuit and between said voltage potential terminal and said output terminal.

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