• DocumentCode
    994718
  • Title

    Low-loss SAW filter using internal reflection types of single-phase unidirectional transducer

  • Author

    Yamanouchi, Kazuhiko ; Furuyashiki, H.

  • Author_Institution
    Tohoku University, Research Institute of Electrical Communication, Sendai, Japan
  • Volume
    20
  • Issue
    20
  • fYear
    1984
  • Firstpage
    819
  • Lastpage
    821
  • Abstract
    A new single-phase unidirectional transducer utilising the difference between excitation and reflection positions caused by the change of the electromechanical coupling coefficient within a half or one wavelength is described.
  • Keywords
    crystal filters; surface acoustic wave devices; ultrasonic transducers; SAW filter; US transducer; electromechanical coupling coefficient; excitation position; internal reflection types; low loss; reflection positions; single-phase unidirectional transducer;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19840557
  • Filename
    4249067