Ladder saw filter contained in a single acoustic track

Details Ladder saw filter contained in a single acoustic track Ladder saw filter contained in a single acoustic track

1995-12-18

1997-10-28

Lee, Benny

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313R, 333195, H03H 964

Patent

active

056821263

ABSTRACT:
A first interdigitated transducer and a second interdigitated transducer are disposed such that an acoustic port of the first interdigitated transducer confronts an acoustic port of the second interdigitated transducer. A first electric terminal of respective interdigitated transducers are electrically coupled together. The first and second interdigitated transducers have different resonance frequencies and may be acoustically coupled.

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patent: 5559481 (1996-09-01), Satoh et al.
Ultrasonics Symp. Proc. Tseng et al. 1974 whole document.

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