Title:
CROSS-COUPLED FILTER
Document Type and Number:
WIPO Patent Application WO/2021/022471
Kind Code:
A1
Abstract:
Disclosed is a cross-coupled filter, comprising a minimum resonance structure. The minimum resonance structure is composed of four resonators. In the minimum resonance structure, two resonators in the same row form a set, and the two resonators in the same row are mainly electrically coupled or mainly magnetically coupled; two resonators in the same column are coupled in an electromagnetically mixing manner; and coupling polarities of the two sets of resonators of two rows of resonance units are opposite, and at least one cross coupling is formed. The cross-coupled filter achieves miniaturization and being lightweight in structural characteristics, and achieves low loss and good harmonic characteristics in electrical performance.
Inventors:
LI DUNRONG (CN)
LUO RENHU (CN)
YIN ZE (CN)
LI QIANG (CN)
LUO RENHU (CN)
YIN ZE (CN)
LI QIANG (CN)
Application Number:
PCT/CN2019/099392
Publication Date:
February 11, 2021
Filing Date:
August 06, 2019
Export Citation:
Assignee:
ROSENBERGER TECH KUNSHAN CO LTD (CN)
International Classes:
H01P1/208
Foreign References:
| CN208272091U | 2018-12-21 | |||
| CN202678485U | 2013-01-16 | |||
| CN109950669A | 2019-06-28 | |||
| CN108987865A | 2018-12-11 | |||
| CN103035989A | 2013-04-10 | |||
| CN106898849A | 2017-06-27 | |||
| US20100117768A1 | 2010-05-13 | |||
| CN201710149229A | 2017-03-14 | |||
| CN201910044005A | 2019-01-17 | |||
| CN201810540869A | 2018-05-30 |
Other References:
See also references of EP 3979405A4
Attorney, Agent or Firm:
SUZHOU JILV INTELLECTUAL PROPERTY AGENCY (CN)
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