Surface-acoustic-wave filter

Details Surface-acoustic-wave filter Surface-acoustic-wave filter

1986-02-25

1987-03-10

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313R, 333194, H03H 964, H03H 9145

Patent

active

046493573

ABSTRACT:
A surface-acoustic-wave filter is of a multi-transducer arrangement including a plurality of input interdigital transducers and a plurality of output interdigital transducers. These input and output transducers are alternately and parallelly disposed on a piezo-electric substrate so as to be spaced intercentral distances l.sub.1 through l.sub.n apart. When one of the intercentral distances is a reference distance l.sub.1, the respective intercentral distances l.sub.1 through l.sub.n satisfies the following relationships:

REFERENCES:
"Electronics Letters", Nov. 16th, 1972, vol. 8, No. 23, pp. 553-554.

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