Dielectric resonator apparatus comprising at least three quarter

Details Dielectric resonator apparatus comprising at least three quarter Dielectric resonator apparatus comprising at least three quarter

1994-09-20

1997-11-25

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333206, H01P 1202

Patent

active

056916744

ABSTRACT:
A dielectric resonator apparatus comprising at least three quarter-wavelength dielectric coaxial resonators in a dielectric block is provided. In the dielectric resonator apparatus, an outer conductor is formed on the surfaces of the dielectric block, and a pair of input and output electrodes for capacitively coupling with the two dielectric coaxial resonators located at both ends is formed close to a first end surface of the dielectric block on a predetermined side surface of the dielectric block so as to be electrically insulated from the outer conductor. Further, two capacitance coupling electrodes for capacitively coupling with the two dielectric coaxial resonators, respectively, which are selected among at least three dielectric coaxial resonators and are located apart from each other so as to put another one dielectric coaxial resonator therebetween, are formed on the predetermined side surface of the dielectric block so as to be electrically insulated from the outer conductor and so as to be apart from the first end surface by a predetermined length. The two capacitance coupling electrodes are electrically connected through a bypass electrode.

REFERENCES:
patent: 4523162 (1985-06-01), Johnson
patent: 5130683 (1992-07-01), Agahi-Kesheh et al.
patent: 5162760 (1992-11-01), Phillips et al.

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