Dielectric filter including laterally extending auxiliary throug

Details Dielectric filter including laterally extending auxiliary throug Dielectric filter including laterally extending auxiliary throug

1996-05-28

1998-11-03

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, H01P 1202

Patent

active

058314954

ABSTRACT:
A dielectric filter comprising a dielectric ceramic block which has at least two through bores longitudinally extended in parallel with each other each of which is provided with a resonant conductor, and two auxiliary through bores each being laterally extended from the associated through bore to both lateral side surfaces of the dielectric ceramic block and being provided with an inner conductive film on the inner peripheral surface thereof, one end of the inner conductive film in each auxiliary through bore is separated from a shield electrode provided on the outer surface of the dielectric ceramic block so as to form an open circuit end.

REFERENCES:
patent: 4523162 (1985-06-01), Johnson
patent: 5489882 (1996-02-01), Ueno
patent: 5528207 (1996-06-01), Ito

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