Ceramic resonators using bgs waves

Michio Kadota, Kazuhiko Morozumi, Toshiaki Ikeda, Toru Kasanami

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


The BGS wave has generally a large electromechanical coupling factor and a characteristic of complete reflection at stress-free edges of substrates. Therefore, a broad-band super-miniature resonator with a small capacitance ratio can be made utilizing the free-edge reflection property of a BGS wave. A BGS wave resonator using PZT was developed for use as a resonator for an additional trap at/as (adjacent sound carrier frequency) in VIF circuits of TV sets and VCRs. Testing as a trap device in VIF showed that this device has better properties than LC trap circuits.

Original languageEnglish
Pages (from-to)219-221
Number of pages3
JournalJapanese journal of applied physics
Publication statusPublished - 1992 Jan
Externally publishedYes


  • Bgs wave
  • Pzt
  • Resonator
  • Trap device
  • Vif circuit

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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