Dielectric resonator filter having a tunable element...

Details Dielectric resonator filter having a tunable element... Dielectric resonator filter having a tunable element...

2003-11-14

2010-11-30

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S235000

Reexamination Certificate

active

07843286

ABSTRACT:
A high-frequency filter arrangement comprising at least one filter consisting of a plurality of high-frequency inter-coupled cavities in which a locally fixed respective dielectric resonator element is disposed and in which a respective dielectric body can be modified, in order to tune the frequency of the filter, in the position thereof in relation to the dielectric resonator element. The structure of the inventive filter arrangement is simple, compact and economical and excellent filter and tuning properties are obtained by virtue of the fact that the dielectric body is arranged in an eccentric recess of the dielectric resonator element and that the dielectric body is rotatably arranged in the eccentric recess.

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Wei Ke Hui et al: “Dielectric Ring-Gap Resonator For Application in MMIC's” IEEE Transactions on Microwave Theory and Techniques, IEEE Inc. New York, US, vol. 39, No. 12, (Dec. 1, 1991), pp. 2061-2068, XP000241131; ISSN: 0018-9480.

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