Programmable surface acoustic wave filter

Details Programmable surface acoustic wave filter Programmable surface acoustic wave filter

2006-02-06

2008-10-21

Summons, Barbara (Department: 2817)

Wave transmission lines and networks

Coupling networks

Electromechanical filter

C333S017100

Reexamination Certificate

active

07439826

ABSTRACT:
A programmable surface acoustic wave filter and methods thereof including a piezoelectric substrate, a ground electrode formed in a comb structure on the piezoelectric substrate, a plurality of output electrodes formed in comb structures on the piezoelectric substrate and alternately disposed together with the ground electrode, and a switching unit performing a switching operation so as to selectively transmit output signals output from the plurality of output electrodes to an output node. As a result, a filtering characteristic of the programmable surface acoustic wave filter can be programmed in a desired format.

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patent: 2004-072549 (2004-03-01), None
Machine translation of Isobe JP 2004-072549, Mar. 4, 2004.

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