Tunable ferroelectric resonator arrangement

  • US 7,069,064 B2
  • Filed: 02/20/2004
  • Issued: 06/27/2006
  • Est. Priority Date: 08/22/2001
  • Status: Active Grant
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First Claim
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1. A tunable resonating arrangement comprising:

  • a resonator apparatus,input/output coupling means for coupling electromagnetic energy into/out of the resonator apparatus,a tuning device for application of a biasing voltage/electric field to the resonator apparatus,wherein the resonator apparatus comprises;

    a first resonator,a second resonator,wherein said first resonator is non-tunable,wherein said second resonator is tunable and comprises a ferroelectric substrate,wherein the first resonator and the second resonator work as a single resonator,a ground plane for separating said first and second resonators, the ground plane being common for said first and second resonators,coupling means for coupling said first and second resonators,wherein for tuning of the resonator apparatus, the biasing voltage/electric field is applied to the second resonator.

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