Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1994-11-10
1996-11-26
Lee, Benny
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333203, 333206, 333134, H01P 1205
Patent
active
055789757
ABSTRACT:
A wave filter having two or more dielectric resonators of substantially tubular shape juxtaposed on a base structure with their longitudinal orientations reversed alternately. The resonator terminals are therefore staggered on both sides of the juxtaposition of the resonators and thus better electrically isolated from one another than if all the resonators are oriented in the same longitudinal direction. The base structure is of ceramic material, having coupling elements, terminals, and all necessary electrical connections formed thereon or embedded therein.
REFERENCES:
patent: 4703291 (1987-10-01), Nishikawa et al.
patent: 5144269 (1992-09-01), Itoh
patent: 5304967 (1994-04-01), Hayashi
patent: 5412359 (1995-05-01), Kazama et al.
Nishikawa, T., "Radio Frequency Circuit Components", Microwave Workshop Digest, Sep. 17-19, 1991, pp. 75-80.
Imaizumi Tatsuya
Kazama Satoshi
Lee Benny
Taiyo Yuden Co. Ltd.
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