Band elimination filter and dielectric resonator therefor

Details Band elimination filter and dielectric resonator therefor Band elimination filter and dielectric resonator therefor

1989-09-28

1991-02-26

LaRoche, Eugene R.

Wave transmission lines and networks

Resonators

Dielectric type

333202, 333204, 333227, H01P 710, H01P 120

Patent

active

049965069

ABSTRACT:
A band elimination filter which includes at least one or more TM-mode dielectric resonators each including a ceramic casing with an electrically conductive film formed over its inner surface or outer surface, and a dielectric column disposed in a cavity in the ceramic casing, and an electrode provided on the ceramic casing, out of contact with the electrically conductive film, with transmission lines being connected to the electrode.

REFERENCES:
patent: 4431977 (1984-02-01), Sokola et al.
patent: 4613838 (1986-09-01), Wada et al.
patent: 4639699 (1987-01-01), Nishikawa et al.
patent: 4652843 (1987-03-01), Tang et al.
patent: 4757288 (1988-07-01), West
patent: 4875025 (1989-10-01), Buoli

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