H - Electricity – 03 – H
Patent
H - Electricity
03
H
333/58, 349/59.1
H03H 9/64 (2006.01)
Patent
CA 1240006
ABSTRACT OF THE DISCLOSURE An acoustic wave filter comprising a piezo? ectric substrate body upon which at least two digital structures are formed and which comprise input and output transducers and at least one further digital structure and wherein the filter digital structure has a center frequency of f2 and wherein the pass band of said two digital structures is at least twice as broad banded as said further digital structure and where the center frequencies f1 and f2 of the two digital structures are shifted relative to each other and relative to the center frequency f2 of the further digital structure.
493026
Veith Richard
Zibis Peter
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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