Electrical surface wave filter

Details Electrical surface wave filter Electrical surface wave filter

1985-02-13

1986-04-01

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333151, 333193, H03H 9145, H03H 964

Patent

active

045801150

ABSTRACT:
Electrical surface wave filter with a piezoelectric substrate support which carries on its top side an input and output transducer (14, 15), each electrically connected with a printed circuit via external input and output terminals (22, 23), and fastened by its backside on a metal support (11, 12) which comprises grounding terminals (20) integrally formed in one piece. An arrangement of symetrically disposed grounding terminals (20) eliminates the problem of electric cross-talk between the input and output terminals (22, 23).

REFERENCES:
patent: 4126839 (1978-11-01), Yamanoi et al.
patent: 4344049 (1982-08-01), Grobe
patent: 4365219 (1982-12-01), Nathan
Siemens, "Oberflaechewillen-Filter LIOB", 1983/84, pp. 37-39.

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