Balanced input output piezoelectric filter

Balanced input output piezoelectric filter

  • CN 1,283,001 A
  • Filed: 07/31/2000
  • Published: 02/07/2001
  • Est. Priority Date: 07/29/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. balance input output piezoelectric filter is characterized in that comprising:

  • The piezoelectric substrate that comprises two first type surfaces;

    Be arranged on the grounding electrode in the described piezoelectric substrate;

    Be separately positioned at least one input electrode and at least one output electrode on two first type surfaces of described piezoelectric substrate,, described piezoelectric substrate arranged therebetween, thus, determined a balancing circuitry connection electrode so that relative with described grounding electrode;

    Wherein, piezoelectric substrate vibrates with the thickness extension vibration mode.

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