Dielectric filter device

Details Dielectric filter device Dielectric filter device

1997-03-13

1999-07-27

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333207, H01P 1205

Patent

active

059297263

ABSTRACT:
A dielectric filter device whose input and output coupling capacities can be regulated by modifying the diameters of the open end portions of laterally arranged resonance bores disposed adjacent respective input/output terminals so that any standardized printed circuit board may be used with it without altering the dimensions of the input and output terminals and hence the production control procedures for manufacturing such printed circuit boards may be simplified. The diameters of the open end portions of the laterally arranged resonance bores of the device located adjacent the respective input and output terminals are modified to alter the surface areas of the corresponding inner conductors arranged therein.

REFERENCES:
patent: 4431977 (1984-02-01), Sokola et al.
patent: 4523162 (1985-06-01), Johnson
patent: 4937542 (1990-06-01), Nakatuka
patent: 4985690 (1991-01-01), Eguchi et al.
patent: 5208565 (1993-05-01), Sogo et al.
patent: 5327108 (1994-07-01), Hoang et al.
patent: 5436602 (1995-07-01), McVeety et al.
patent: 5499004 (1996-03-01), Noguchi et al.

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