• DocumentCode
    962834
  • Title

    Directional coupler using acoustic surface waves

  • Author

    Morgan, D.P.

  • Author_Institution
    Private Address, Grays, UK
  • Volume
    7
  • Issue
    14
  • fYear
    1971
  • Firstpage
    412
  • Lastpage
    413
  • Abstract
    The properties of interdigital transducers have been used to construct a directional coupler. The coupler consists basically of an array of eight transducers etched from an aluminium film deposited on a lithium-niobate substrate. Experimentally, a directivity of 17 dB was obtained at 75 MHz.
  • Keywords
    directional couplers; ultrasonic transducers; 75 MHz; acoustic surface waves; aluminium film; directional counters; interdigital transducers; lithium-niobate substrate; piezoelectric substrate; ultrasonic transducers;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19710279
  • Filename
    4244882