Dielectric filter having obliquely oriented stepped resonators

Details Dielectric filter having obliquely oriented stepped resonators Dielectric filter having obliquely oriented stepped resonators

1997-08-05

1999-11-30

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, H01P 120

Patent

active

059949813

ABSTRACT:
A dielectric filter having plural resonator cavities in a dielectric block, at least one resonator cavity comprising a large inner-diameter portion, a small inner-diameter portion and a diameter-changing portion formed between the large and small portions, an inner conductor being formed on the inner surface of each of the resonator cavities. The large and small inner-diameter portions of the stepped resonator cavity may have different sectional shapes, and may be either coaxial or non-coaxial. One of the portions may have an elongated cross-sectional shape and/or be arranged obliquely with respect to the dielectric block. One of the portions may moreover be arranged eccentrically with respect to the other portion.

REFERENCES:
patent: 5124676 (1992-06-01), Veno
patent: 5612654 (1997-03-01), Tsugiguchi et al.
patent: 5742214 (1998-04-01), Toda et al.
patent: 5764118 (1998-06-01), Saito et al.

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