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
Link To Document