Surface acoustic wave filters

Details Surface acoustic wave filters Surface acoustic wave filters

1977-07-28

1979-03-13

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310313, 333194, H03H 904, H03H 926, H03H 932, H01L 4110

Patent

active

041445082

ABSTRACT:
A surface acoustic wave filter for television or other video apparatus comprising a plurality of transducers, wherein at least one weighted transducer includes a pattern of interleaved metal fingers formed on a surface of a piezo-electric substrate, the filter including means for reducing spurious peak signals originating from within the transducer.

REFERENCES:
patent: 3699364 (1972-10-01), Gerard
patent: 3983515 (1976-09-01), Mitchell et al.
patent: 4007433 (1977-02-01), Houkawa et al.
patent: 4023124 (1977-05-01), Parker et al.

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