DIELECTRIC RESONATOR AND DIELECTRIC FILTER

PROBLEM TO BE SOLVED: To materialize a dielectric resonator which reduces the number of dielectric resonators, is miniaturized, realizes cost reduction and is also excellent in an extraband characteristics. SOLUTION: One triple mode dielectric resonator combining three resonation modes of a dielectr...

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Bibliographic Details
Main Authors FURUTA ATSUSHI, KO SAIKO, ISOMURA AKIHIRO
Format Patent
LanguageEnglish
Published 06.03.2001
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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Summary:PROBLEM TO BE SOLVED: To materialize a dielectric resonator which reduces the number of dielectric resonators, is miniaturized, realizes cost reduction and is also excellent in an extraband characteristics. SOLUTION: One triple mode dielectric resonator combining three resonation modes of a dielectric block 1 by forming a face 2a by scraping away one edge of block 1 having a substantially rectangular parallelepiped shape and also forming a face 2b by scraping away another edge that is not parallel with the edge is arranged in a cutoff waveguide 3, and a dielectric filter is constructed by providing bar-shaped antennas 8 whose one end is in open state and input-output terminals 9 as an energizing means. Miniaturization and cost reduction can be achieved since characteristics corresponding to a three-stage filter can be obtained by using only one dielectric block 1.
Bibliography:Application Number: JP19990233684