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Tunable inductor arrangement, transceiver, method and computer program

  • US 9,905,350 B2
  • Filed: 10/10/2014
  • Issued: 02/27/2018
  • Est. Priority Date: 10/16/2013
  • Status: Active Grant
First Claim
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1. A tunable inductor arrangement arrangeable on a chip or substrate and comprising:

  • a tunable inductor comprising;

    a first winding part connected at one end to a first input of the tunable inductor arrangement;

    a second winding part connected at one end to the other end of the first winding part;

    a third winding part connected at one end to a second input of the tunable inductor arrangement;

    a fourth winding part connected at one end to the other end of the third winding part;

    wherein the first, second, third and fourth winding parts are interleaved on the chip or substrate such that magnetic fields of the windings are essentially common; and

    a switch arrangement arranged to tune the tunable inductor arrangement by selectively providing either;

    a circuit comprising the first and fourth winding parts in parallel and the second and third winding parts in parallel, with the parallel couplings connected in series between the first and second inputs;

    ora circuit comprising the first, second, fourth and third winding parts in series between the first and second inputs.

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