Chip-type piezoelectric filter and filter circuit using such pie

Details Chip-type piezoelectric filter and filter circuit using such pie Chip-type piezoelectric filter and filter circuit using such pie

1998-08-06

1999-08-03

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310321, 310348, 310366, 333187, H03H 948, H03H 960, H03H 910

Patent

active

059330619

ABSTRACT:
A multi-functional chip-type piezoelectric filter of a simple configuration comprises a multilayer structure which includes a plurality of piezoelectric substrates provided with oscillating sections having respective frequency response characteristics that are different from each other, a plurality of conductive terminals formed on the outer surface of the multilayer structure and connected to the respective oscillating sections of the piezoelectric substrates so that the oscillating sections may be selectively used.

REFERENCES:
patent: 4323866 (1982-04-01), Inoue
patent: 5406230 (1995-04-01), Yamamoto
patent: 5504980 (1996-04-01), Yoshinaga et al.

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