Wave filter having two or more coaxial dielectric resonators in

Details Wave filter having two or more coaxial dielectric resonators in Wave filter having two or more coaxial dielectric resonators in

1998-03-11

2000-06-27

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333222, H01P 1205

Patent

active

060811749

ABSTRACT:
A radio frequency filter having at least two dielectric resonators in juxtaposition, each resonator including a tubular dielectric body. Formed on the dielectric body of each resonator are an inner and an outer conductors and various other conductors including a terminal conductor for connection of the filter to external circuitry. In order to assure positive isolation of the terminal conductors of both resonators from each other, the outer conductors are provided with extensions which intervene between the terminal conductors for preventing them from being capacitively coupled together.

REFERENCES:
patent: 4855693 (1989-08-01), Matsukura et al.
patent: 4879533 (1989-11-01), De Muro et al.
patent: 5499004 (1996-03-01), Noguchi et al.
patent: 5578975 (1996-11-01), Kazama et al.

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