DocumentCode :
920113
Title :
Tunable high-Q surface-wave comb filter
Author :
Cho, F.Y. ; Hunsinger, Bill J.
Volume :
59
Issue :
11
fYear :
1971
Firstpage :
1613
Lastpage :
1614
Abstract :
Comb filters with tunable passband characteristics have been achieved using a muItitap surface-wave delay line with electronic phase-shifting circuits in the feedback loop. The results are obtained either by summing the acoustic signals on the substrate or by using electronic summers. Q´s ranging from 500 to 50 000 have been measured for the surface-wave comb filters.
Keywords :
Acoustic measurements; Acoustic waves; Adders; Feedback; Filters; Frequency; Passband; Phase shifters; Surface acoustic waves; Tunable circuits and devices;
fLanguage :
English
Journal_Title :
Proceedings of the IEEE
Publisher :
ieee
ISSN :
0018-9219
Type :
jour
DOI :
10.1109/PROC.1971.8493
Filename :
1450423
Link To Document :
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