Title :
Surface-acoustic-wave filters employing symmetric phase-weighted transducers
Author_Institution :
Royal Radar Establishment, Great Malvern, UK
Abstract :
The letter describes a phase-weighting scheme for use in nondispersive surface-acoustic-wave bandpass filters. The advantages of this scheme are enumerated, and the performance of a demonstration filter on ST-quartz is compared with theoretical predictions.
Keywords :
acoustic surface wave devices; band-pass filters; ST quartz; bandpass filters; surface acoustic wave filter; symmetric phase weighted transducers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19730102
