Dielectric filters and duplexers incorporating same

Details Dielectric filters and duplexers incorporating same Dielectric filters and duplexers incorporating same

1993-04-02

1994-11-15

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333202, H01P 1205

Patent

active

053652096

ABSTRACT:
Coaxial resonators serving as input and output stages are arranged on a dielectric substrate having input and output coupling strip lines and a grounding electrode formed in the same plane as the strip lines and surrounding the strip lines. The substrate is shaped substantially in conformity with the bottom contour of the resonators as arranged on the substrate.

REFERENCES:
patent: 4179673 (1970-12-01), Nishikawa et al.
patent: 4829274 (1989-05-01), Green et al.
Patent Abstract of Japan vol. 8, No. 13 (E-222) (1450), Jan. 20, 1984 & JP-A-58 178 601 (Nihon Dengiyou Kousaku K.K.) Oct. 19, 1983 (abstract).

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