Surface acoustic wave filter with reflectors and resistors

Details Surface acoustic wave filter with reflectors and resistors Surface acoustic wave filter with reflectors and resistors

1995-04-24

1997-04-08

Lee, Benny

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333150, 333193, 333196, 310313D, H03H 964

Patent

active

056191758

ABSTRACT:
A filter operating with acoustical harmonic waves includes at least one resonator being formed of an interdigital converter and reflectors. An electrical resistor is connected parallel to at least one filter component for protecting against electrostatic discharge from contact with electrostatically charged parts. The electrical resistor is integrated with one or both of the reflectors of the resonator.

REFERENCES:
patent: 4160963 (1979-07-01), Hays, Jr.
patent: 4267534 (1981-05-01), Tanski
patent: 4308510 (1981-12-01), Yamada et al.
patent: 4340834 (1982-07-01), Sato
patent: 4448805 (1984-05-01), Lewis
patent: 4625184 (1986-11-01), Niitsuma et al.
patent: 4628222 (1986-12-01), Lewis
patent: 5093638 (1992-03-01), Kinsman et al.

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