Electrical filter operating with acoustic waves

Details Electrical filter operating with acoustic waves Electrical filter operating with acoustic waves

1985-10-18

1987-06-16

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313C, H03H 964

Patent

active

046739017

ABSTRACT:
A surface wave filter having an interdigital structure in which last active fingers of a first comb structure, which is to be connected to ground, extend as close as possible to a busbar of an opposite comb structure. Interference signals based on the discontinuity of the end of the interdigital structure are eliminated.

REFERENCES:
patent: 4066985 (1978-01-01), Kuny
patent: 4205285 (1980-05-01), Dempsey et al.
Ehrmann-Falkenau et al.-"A Design for Saw-Filters with Multistrip Couplers", 1984 Ultrasonics Symposium; pp. 13-17.

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