Title:
DIELECTRIC FILTER UNIT AND DIELECTRIC FILTER
Document Type and Number:
WIPO Patent Application WO/2023/045621
Kind Code:
A1
Abstract:
The present application discloses a dielectric filter unit and a dielectric filter. The dielectric filter unit comprises a first dielectric resonant cavity and a second dielectric resonant cavity; the upper end surface or the lower end surface of the first dielectric resonant cavity is provided with a first frequency hole; the second dielectric resonant cavity is connected to the first dielectric resonant cavity; the upper end surface or the lower end surface of the second dielectric resonant cavity is provided with a second frequency hole; a coupling slot is formed at the connection between the first dielectric resonant cavity and the second dielectric resonant cavity; a third frequency hole is further formed at the connection between the first dielectric resonant cavity and the second dielectric resonant cavity.
Inventors:
QIAO LONG (CN)
BU WEI (CN)
GONG HONGWEI (CN)
WU ZENGQIANG (CN)
BU WEI (CN)
GONG HONGWEI (CN)
WU ZENGQIANG (CN)
Application Number:
PCT/CN2022/112564
Publication Date:
March 30, 2023
Filing Date:
August 15, 2022
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H01P1/208
Domestic Patent References:
| WO2015068493A1 | 2015-05-14 |
Foreign References:
| CN113871826A | 2021-12-31 | |||
| CN110400992A | 2019-11-01 | |||
| CN213845459U | 2021-07-30 | |||
| CN112397856A | 2021-02-23 | |||
| CN111799535A | 2020-10-20 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
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