DocumentCode
983449
Title
Suppression of bulk modes in SAW transversal filters by gold transducers
Author
Bickers, L.
Author_Institution
British Telecom Research Laboratories, Ipswich, UK
Volume
19
Issue
3
fYear
1983
Firstpage
121
Lastpage
122
Abstract
Unwanted bulk modes in surface-acoustic-wave (SAW) transversal filters are demonstrated to be dependent on the transducer metallisation. Experimental results are presented that compare Au with the more conventional Al metallisation and show that bulk modes can be suppressed by > 20 dB.
Keywords
passive filters; surface acoustic wave devices; ultrasonic transducers; Au transducers; SAW transversal filters; bulk modes suppression; metallisation;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19830086
Filename
4247299
Link To Document