Surface mountable interdigital block filter having zero(s) in tr

Details Surface mountable interdigital block filter having zero(s) in tr Surface mountable interdigital block filter having zero(s) in tr

1994-01-06

1994-07-05

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, H01P 1205

Patent

active

053271084

ABSTRACT:
Interdigitation and surface mounting of a block filter that has at least a first resonator and that has at least a first pole and at least a first zero in its transfer function provides a surface mountable block filter having selectable frequency rejection response operation.

REFERENCES:
patent: 4431977 (1984-02-01), Sokola et al.
patent: 4523162 (1985-06-01), Johnson
patent: 4673902 (1987-06-01), Takeda et al.
patent: 4757284 (1988-07-01), Ueno
patent: 4806889 (1989-02-01), Nakano et al.
patent: 4879533 (1989-11-01), deMuro et al.
patent: 4896124 (1990-01-01), Schwent
patent: 4954796 (1990-09-01), Green et al.
patent: 5045824 (1991-09-01), Metroka

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