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ON-CHIP INTEGRATED VOLTAGE-CONTROLLED VARIABLE INDUCTOR, METHODS OF MAKING AND TUNING SUCH VARIABLE INDUCTORS, AND DESIGN STRUCTURES INTEGRATING SUCH VARIABLE INDUCTORS

  • US 20090189725A1
  • Filed: 01/29/2008
  • Published: 07/30/2009
  • Est. Priority Date: 01/29/2008
  • Status: Active Grant
First Claim
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1. An on-chip integrated variable inductor comprising:

  • a signal line configured to conduct an electrical signal;

    a first ground line positioned proximate to said signal line; and

    at least one control unit disposed in a first current path connecting said first ground line with a ground potential, said at least one control unit configured to selectively open and close said first current path such that said signal line has a first inductance value when said first current path is open and a second inductance value when said first current path is closed to couple said first ground line with the ground potential.

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