Title:
DIELECTRIC RESONANCE BLOCK, DIELECTRIC WAVEGUIDE FILTER, AND COUPLING STRUCTURE THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/087934
Kind Code:
A1
Abstract:
Disclosed by the present invention are a dielectric resonance block, a dielectric waveguide filter, and a coupling structure thereof; a first metallized layer is provided on a dielectric resonance block, an annular through-slot and a second metallized layer disposed within the annular through-slot are provided on the first metallized layer, and the annular through-slot is used to form a coupling window. The present invention may improve the strength of energy coupling between dielectric resonance blocks, prevent higher harmonics from being relatively close to a passband, and achieve good distal out-of-band performance. As a result, the strength of energy coupling of a coupling structure using the dielectric resonance blocks is high, higher harmonics are relatively far away from a passband, and distal out-of-band performance is good. As a result, the strength of energy coupling of a dielectric waveguide filter using the coupling structure is high and distal out-of-band performance is good.
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Inventors:
ZHANG BIAO (CN)
DING HAI (CN)
DING HAI (CN)
Application Number:
PCT/CN2019/090794
Publication Date:
May 07, 2020
Filing Date:
June 11, 2019
Export Citation:
Assignee:
COMBA TELECOM TECH GUANGZHOU LIMITED (CN)
International Classes:
H01P7/10
Foreign References:
| CN109449557A | 2019-03-08 | |||
| CN104871364A | 2015-08-26 | |||
| CN1949586A | 2007-04-18 | |||
| US20160380322A1 | 2016-12-29 |
Other References:
YANG, HONGWEI ET AL: "Optimized Design of Dielectric Layer PBG Structure in Waveguide Filter", TELECOMMUNICATION ENGINEERING, vol. 47, no. 1, 28 February 2007 (2007-02-28), pages 1 - 4, XP055700513, ISSN: 1001-893X
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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