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Switchable inductor network for wideband circuits

  • US 10,447,204 B2
  • Filed: 09/15/2017
  • Issued: 10/15/2019
  • Est. Priority Date: 09/15/2017
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a switchable inductor network comprising;

    a first coil including an inner coil and an outer coil, the first coil including a first connection point and a second connection point, the first coil disposed along at least one axis at a first position;

    a second coil including a first inductive segment and a second inductive segment, the first inductive segment connected to the first connection point of the first coil, and the second inductive segment connected to the second connection point of the first coil;

    the second coil disposed along the at least one axis at a second position, the second position different from the first position; and

    a switch connected between the first inductive segment of the second coil and the second inductive segment of the second coil, the switch configured to change, in response to a control signal, an inductance of the switchable inductor network by selectively coupling the first inductive segment of the second coil to the second inductive segment of the second coil to thereby connect the second coil across a portion of the first coil.

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