Compact stripline filter with fixed capacity between coupled res

Details Compact stripline filter with fixed capacity between coupled res Compact stripline filter with fixed capacity between coupled res

1990-12-21

1992-06-16

Pascal, Robert J.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333205, H01P 1203

Patent

active

051227681

ABSTRACT:
An improved stripline filter is disclosed which includes a laminate of a pair of dielectric substrates each having an outer surface provided with a ground conductor, and conducting resonator means provided between each of the two adjacent dielectric substrates and having a plurality of parallel resonator fingers each having an open circuit end and a base end electrically connected to said ground conductor, in which the ground conductor has extended portions corresponding in number to the number of the resonator fingers, each of the extended portions extending toward the open circuit end of the corresponding resonator finger and terminating with a predetermined space from the open circuit end of the corresponding resonator finger.

REFERENCES:
patent: Re31470 (1983-12-01), Bedard et al.
patent: 4560965 (1985-12-01), Gosling et al.
patent: 4609892 (1986-09-01), Higgins, Jr.
patent: 4808951 (1989-02-01), Yamato et al.
patent: 4975664 (1990-12-01), Ito et al.

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