Dielectric filter having resonator electrodes, shield electrodes

Details Dielectric filter having resonator electrodes, shield electrodes Dielectric filter having resonator electrodes, shield electrodes

1999-07-30

2000-05-30

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333204, 333206, H01P 1205, H01P 1203

Patent

active

060695420

ABSTRACT:
Grooves are formed on the connection faces of the dielectric basic plates as a dielectric resonator, and also, an internal conductor is provided on the inside face, and coupling electrodes are formed on the other dielectric basic plate. These three dielectric basic plates are connected so that the coupling electrode effects capacity connection between internal conductors and the coupling electrode effects capacity connection between the internal conductors whereby an earth electrode (external conductor) can be formed on almost full face on the reverse face side of the dielectric basic plate and the reduction of Qo of the resonator and the electromagnetic field leakage can be prevented.

REFERENCES:
patent: 5130683 (1992-07-01), Agahi-Kesheh et al.
patent: 5157365 (1992-10-01), Hoang
patent: 5293141 (1994-03-01), Kobayashi et al.
patent: 5344695 (1994-09-01), Hirai et al.
patent: 5572174 (1996-11-01), Kitaichi et al.

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