Dielectric filter with non-conductive edge

Details Dielectric filter with non-conductive edge Dielectric filter with non-conductive edge

1997-03-24

1998-12-01

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333207, H01P 1205

Patent

active

058444548

ABSTRACT:
A dielectric filter for a high frequency band includes a plurality of resonators formed by boring a plurality of through holes between the oppositely disposed end surfaces of a dielectric block in parallel with each other and arranging internal conductors on the inner peripheral surfaces of the respective through holes and an external conductor formed on a substantial portion of the outer peripheral surface of the dielectric block. A non-conductive region is formed on the short-circuit end surface and extends in parallel with the direction connecting the resonators, thereby the filter can be controlled satisfactorily for coupling the dielectric coaxial resonators and have a reduced height.

REFERENCES:
patent: 4464640 (1984-08-01), Nishikawa et al.
patent: 5642084 (1997-06-01), Matsumoto et al.
Patent Abstracts of Japan; vol. 8, No. 49 (E-230), 6 Mar. 1984 & JP 58 204601 A (Murata Seisakusho KK), 29 Nov. 1983, * abstract *.

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