Dispersive Delay Lines Using Ultrasonic Surface Waves

R. H. Tancrell, M. B. Schulz, H. H. Barrett, L. Davis, M. G. Holland

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

Surface ultrasonic wave delay lines with dispersive time-frequency characteristics have been made using interdigital electrode arrays with variable element spacings on LiNbO3. The devices operate at 60 MHz with low insertion loss and a 3-dB bandwidth over 25 percent. A model has been devised which accurately predicts the phase and amplitude characteristics of the devices. Weighting” the array to improve the phase characteristic is described.

Original languageEnglish (US)
Pages (from-to)1211-1213
Number of pages3
JournalProceedings of the IEEE
Volume57
Issue number6
DOIs
StatePublished - Jun 1969

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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