Title:
DIELECTRIC RESONATOR AND DIELECTRIC FILTER
Document Type and Number:
WIPO Patent Application WO/2020/107431
Kind Code:
A1
Abstract:
An embodiment of the present application discloses a dielectric resonator and a dielectric filter using same. The dielectric resonator comprises a metal cavity and a dielectric cylinder, wherein the dielectric cylinder is located in the metal cavity, and the metal cavity comprises a bottom part and a top cover which are oppositely arranged. The dielectric resonator further comprises a tuning member and a metal part, wherein the tuning member penetrates the top cover and extends into the metal cavity, and then is coupled with the dielectric cylinder so as to adjust the frequency and coupling of the dielectric resonator, an upper end face of the dielectric cylinder is fixedly connected to and is in a short-circuit state with the top cover, a lower end face of the dielectric cylinder is fixedly connected to the metal part, and the metal part faces and is in an open-circuit state with the bottom part. The dielectric resonator provided in the embodiment of the present application has the advantages of being small in size and high in performance.
Inventors:
ZHOU PUKE (CN)
PU GUOSHENG (CN)
PU GUOSHENG (CN)
Application Number:
PCT/CN2018/118657
Publication Date:
June 04, 2020
Filing Date:
November 30, 2018
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H01P1/20; H01P5/08; H01P7/10
Domestic Patent References:
| WO2013085357A1 | 2013-06-13 |
Foreign References:
| CN103022627A | 2013-04-03 | |||
| CN102694220A | 2012-09-26 | |||
| CN104900952A | 2015-09-09 | |||
| US5233319A | 1993-08-03 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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