Dielectric filter

Details Dielectric filter Dielectric filter

1982-06-30

1984-05-22

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333203, 333219, 333235, H01P 1205, H01P 700

Patent

active

044504217

ABSTRACT:
A comb-line type dielectric filter in which a plurality of resonator holes are made in a dielectric block at predetermined intervals and coupling adjustment holes are made between the resonator holes, the interior surfaces of the resonator holes and the surface of the dielectric block being entirely or partly covered with a conductor film. The coupling adjustment holes are disposed apart from the line joining the centers of the resonator holes, and a coupling adjusting member made of metal or dielectric material is inserted into each coupling adjustment hole.

REFERENCES:
patent: 3505618 (1970-04-01), McKee
patent: 4179673 (1979-12-01), Nishikawa et al.
patent: 4255729 (1981-03-01), Fukasawa et al.
patent: 4386328 (1983-05-01), Masuda et al.
patent: 4410868 (1983-10-01), Meguro et al.
Matthaei-"Microwave Filters, Impedance-Matching Networks and Coupling Structures", McGraw-Hill Book Company, New York, 1964, pp. 497-506.

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