High frequency filter with a dielectric board element to provide

Details High frequency filter with a dielectric board element to provide High frequency filter with a dielectric board element to provide

1998-02-06

2000-06-20

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, 333134, H01P 1202

Patent

active

060782315

ABSTRACT:
A coaxial resonator filter (1', 50, 50', 50") comprises a dielectric boardlike element (11, 51, 51") and on its surface at least one electrically conductive element (17, 19, 20, 21, 52) to provide an electromagnetic coupling to at least one coaxial resonator (3, 53). The dielectric boardlike element may be the same as the filter's base plate, in which case its outer surface comprises a continuous earth plane (55), or it may be parallel to a separate electrically conductive base plate (56). Link (17), tap (19) and capacitive (20) coupling elements can be realized on the surface of the dielectric board.

REFERENCES:
patent: 4342969 (1982-08-01), Myers et al.
patent: 4342972 (1982-08-01), Nishikawa et al.
patent: 4686496 (1987-08-01), Syrett et al.
patent: 4703291 (1987-10-01), Nishikawa et al.
patent: 5196813 (1993-03-01), Nakakubo
patent: 5389903 (1995-02-01), Piirainen

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