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VSWR DETECTOR FOR A TUNABLE FILTER STRUCTURE

  • US 20150038094A1
  • Filed: 08/01/2014
  • Published: 02/05/2015
  • Est. Priority Date: 08/01/2013
  • Status: Active Grant
First Claim
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1. Radio frequency (RF) front-end circuitry comprising:

  • a tunable RF filter structure comprising a pair of weakly coupled resonators; and

    a Voltage Standing Wave Ratio (VSWR) control circuit configured to;

    detect a VSWR of the tunable RF filter structure; and

    dynamically tune the tunable RF filter structure based on the VSWR of the tunable RF filter structure.

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