Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1991-01-17
1993-03-09
Dzierzynski, Paul M.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333205, H01P 1203
Patent
active
051929260
ABSTRACT:
A first dielectric block or blocks have a cut out portion and the cut out space is filled with a second dielectric block. A bypass pattern is formed on the second dielectric block and is capacitively coupled with two resonance elements formed on the first dielectric block or blocks. the dielectric filter is compact, and the position and intensity of attenuation poles can be freely designed and easily adjusted.
REFERENCES:
patent: 4418324 (1983-11-01), Higgins
patent: 4423396 (1983-12-01), Makimoto et al.
patent: 4703291 (1987-10-01), Nishikawa et al.
patent: 4757286 (1988-07-01), Konishi et al.
1988 IEEE International Symposium on Circuits and Systems, Jun. 7-9, 1988, Espoo, FI, IEEE, New York, U.S., 1988, "Suspended Substrate Strip Line Filters with Flat Delay", I. H. Zabalawi, pp. 2777-2780.
Frequenz, vol. 34, No. 3, Mar. 1980, Berlin, Del., "Cauerparameter-Bandpasse in Mikrostreifenleiter-Technik", H. Fechner, pp. 78-89.
Kondo Yasuyuki
Sogo Hiroyuki
Yamazaki Kazuhisa
Dzierzynski Paul M.
Fuji Electrochemical Co. Ltd.
Fujitsu Limited
Ham Seung
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