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Circuit arrangement

  • US 20020053955A1
  • Filed: 09/21/2001
  • Published: 05/09/2002
  • Est. Priority Date: 09/23/2000
  • Status: Active Grant
First Claim
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1. A circuit arrangement for filtering and/or selecting single frequencies or frequency ranges, particularly of signals intended for at least an integrated circuit and/or signals generated by at least an integrated circuit, said circuit arrangement (100) comprising at least two electric resonant circuits (10;

  • 20;

    30) with at least an inductive element (12;

    22;

    32) and at least a capacitive element (14;

    24;

    34), characterized in that the resonant circuits (10;

    20;

    30), particularly the inductive elements (12;

    22;

    32) are magnetically fixedly coupled to each other, and in that at least a part, preferably all resonant circuits (10;

    20;

    30) of the circuit arrangement (100) are arranged at or on the integrated circuit, particularly on only one metallization plate (40) of the integrated circuit, having an essentially constant ohmic resistance.

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