Dielectric filter having external connection terminals on dielec

Details Dielectric filter having external connection terminals on dielec Dielectric filter having external connection terminals on dielec

1992-03-18

1994-03-08

Pascal, Robert J.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333134, 455 82, H01P 1205

Patent

active

052931412

ABSTRACT:
In a dielectric filter according to the present invention, a depressed part is formed by removing a portion of an outer peripheral conductor on the open face side of each of a plurality of one-end face short-circuited type coaxial resonators or a portion of the outer peripheral conductor including a dielectric member. A dielectric substrate having a plurality of capacitance forming electrodes for forming antiresonance capacitances between the electrodes and inner peripheral conductors of the coaxial resonators formed thereon is mounted on the depressed part, and a reactance element for coupling the capacitance forming electrodes is provided on the dielectric substrate.

REFERENCES:
patent: 4823098 (1989-04-01), DeMuro et al.
patent: 4879533 (1989-11-01), de Muro et al.
patent: 4937542 (1990-06-01), Nakatuka
patent: 5015973 (1991-05-01), Kawakami et al.
patent: 5079528 (1992-01-01), Yorita et al.
patent: 5144269 (1992-09-01), Itoh

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