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HYBRID ACOUSTIC RESONATOR-BASED FILTERS

  • US 20090079514A1
  • Filed: 09/24/2007
  • Published: 03/26/2009
  • Est. Priority Date: 09/24/2007
  • Status: Abandoned Application
First Claim
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1. A hybrid acoustic resonator filter adapted for single-ended to differential signal transformation, comprising:

  • a film bulk acoustic resonator (FBAR) filter section comprising a single-ended output; and

    a coupled mode resonator filter (CRF) section comprising an input connected to the single-ended output, and a differential signal output.

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