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Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator

  • US 7,425,787 B2
  • Filed: 10/18/2005
  • Issued: 09/16/2008
  • Est. Priority Date: 10/18/2005
  • Status: Active Grant
First Claim
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1. An acoustic galvanic isolator, comprising:

  • a carrier signal source;

    a modulator connected to receive an information signal and the carrier signal;

    a demodulator; and

    connected between the modulator and the demodulator, an electrically-isolating acoustic coupler comprising a single insulating decoupled stacked bulk acoustic resonator (IDSBAR), the IDSBAR comprising an acoustically-resonant electrical insulator.

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