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Harmonic mixer having two transistors driven complimentarily

  • US 9,948,238 B2
  • Filed: 08/25/2016
  • Issued: 04/17/2018
  • Est. Priority Date: 08/27/2015
  • Status: Active Grant
First Claim
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1. A harmonic mixer for mixing a local signal LO with an intermediate signal IF to generate an output signal RF that contains frequency components of 2×

  • fLO±

    fIF, where fLO and fIF are frequencies of the local signal LO and the intermediate signal IF, respectively, the harmonic mixer comprising;

    an input transmission line coupled to an input terminal that receives the intermediate signal therein;

    an output transmission line coupled to an output terminal that outputs the output signal therefrom;

    a first transistor and a second transistor connected in parallel to each other between the input transmission line and the output transmission line, the first transistor and the second transistor being complementarily driven by the local signal; and

    a balun that receives the local signal and outputs two signal complementary to each other,wherein the first transistor is driven by one of the two signals, and the second transistor is driven by another of the two signals.

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