Acoustic surface wave filter bank

Details Acoustic surface wave filter bank Acoustic surface wave filter bank

1986-10-27

1988-03-22

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

333194, H01L 4108

Patent

active

047331224

ABSTRACT:
An acoustic surface wave filter bank consisting of a single or a plurality of piezoelectric substrates on which a plurality of acoustic surface wave filters each comprising an input interdigital transducer and an output interdigital transducer are fabricated, wherein center frequencies of adjacently located filters are not adjacent to center frequency of present filter so that leaked acoustic surface waves to the present filter from adjacently located filters are strongly attenuated.

REFERENCES:
patent: 4016517 (1977-04-01), Sahasrabudhe et al.
patent: 4114119 (1978-09-01), Sandy et al.
patent: 4647881 (1987-03-01), Mitsutsuka

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