Surface acoustic wave arrangement with improved suppression of s

Details Surface acoustic wave arrangement with improved suppression of s Surface acoustic wave arrangement with improved suppression of s

1979-08-15

1981-04-21

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic surface wave propagation means

333153, 333154, 333194, 333196, H03H 9145, H03H 925, H03H 964, H03H 942

Patent

active

042635691

ABSTRACT:
A surface acoustic wave filter is disclosed having an interdigitated structure of transducer fingers on a piezo substrate. Spurious signals are suppressed by employment of a slanted placement of transducer fingers at an output region of a weighted input transducer or at an input region of a weighted output transducer.

REFERENCES:
patent: 3680007 (1972-07-01), Tseng
patent: 3872410 (1975-03-01), Zucker
patent: 4162415 (1979-07-01), Andreev et al.

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