EP3217468B1 - Filtre diélectrique à mode électromagnétique transversal, module de radiofréquence et station de base - Google Patents

Filtre diélectrique à mode électromagnétique transversal, module de radiofréquence et station de base Download PDF

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Publication number
EP3217468B1
EP3217468B1 EP15867903.5A EP15867903A EP3217468B1 EP 3217468 B1 EP3217468 B1 EP 3217468B1 EP 15867903 A EP15867903 A EP 15867903A EP 3217468 B1 EP3217468 B1 EP 3217468B1
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EP
European Patent Office
Prior art keywords
filter
dielectric body
resonant
rejection structure
frequency
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EP15867903.5A
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German (de)
English (en)
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EP3217468A1 (fr
EP3217468A4 (fr
Inventor
Jian Gu
Hui Zhang
Lifang DONG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of EP3217468A1 publication Critical patent/EP3217468A1/fr
Publication of EP3217468A4 publication Critical patent/EP3217468A4/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block

Claims (5)

  1. Filtre diélectrique à mode électromagnétique transversal (1, 2, 3), comprenant :
    un résonateur (11, 21, 31), un corps diélectrique (12, 22, 32) et un boîtier métallique (13, 23, 33), dans lequel :
    - une surface extérieure du corps diélectrique (12, 22, 32) est recouverte d'un matériau conducteur, le boîtier métallique (13, 23, 33) est fixé au-dessus du corps diélectrique (12, 22, 32) et il y a un espace entre le boîtier métallique (13, 23, 33) et le corps diélectrique (12, 22, 32) ;
    - le résonateur (11, 21, 31) comprend une plaque résonante (101, 201, 301) et un trou résonant (102, 202, 302), la plaque résonante (102, 202, 302) étant disposée sur une surface supérieure du corps diélectrique (12, 22, 32), le trou résonant (102, 202, 302) étant une structure cylindrique creuse avec des ouvertures aux extrémités supérieure et inférieure, une ouverture supérieure du trou résonant (102, 202, 302) étant située sur la plaque résonante (101, 201, 301), une ouverture inférieure du trou résonant étant située sur une surface inférieure du corps diélectrique (12, 22, 32), une surface interne du trou résonant (102, 202, 302) étant recouverte d'un matériau conducteur et la plaque résonante (101, 201, 301) étant en un matériau métallique ; et
    - le filtre (1, 2, 3) comprend en outre une structure de réjection proche (14, 24, 34), la structure de réjection proche (14, 24, 34) étant à l'intérieur du corps diélectrique (12, 22, 32) et une forme, un emplacement et une taille de la structure de réjection proche (14, 24, 34) étant configurés selon une fréquence d'un signal que le filtre (1, 2, 3) doit filtrer ;
    - la structure de réjection proche est une structure de réjection proche des hautes fréquences ou une structure de réjection proche des basses fréquences ;
    - la structure de réjection proche (14, 24, 34) a au moins deux extrémités en contact avec la surface inférieure du corps diélectrique (12, 22, 32), et une partie restante de la structure de réjection proche (14, 24, 34) est dans une zone de champ magnétique à l'intérieur du corps diélectrique,
    ou
    - la structure de réjection proche (14, 24, 34) est dans une zone de champ électrique à l'intérieur du corps diélectrique (12, 22, 32) ; et
    - la structure de réjection proche (14, 24, 34) est une structure quelconque parmi un trou traversant métallisé, une ligne à rubans métallisée, une structure métallique physique, un conducteur métallisé et une pièce métallique fine.
  2. Filtre (1, 2, 3) selon la revendication 1, dans lequel une hauteur, une longueur et une distance opposée au trou résonant (102, 202, 302), qui appartiennent à la structure de réjection proche (14, 24, 34), sont configurées selon un coefficient de couplage du filtre (1, 2, 3), le coefficient de couplage correspondant à la fréquence du signal que le filtre (1, 2, 3) doit filtrer.
  3. Filtre (1, 2, 3) selon la revendication 1, dans lequel une hauteur, une longueur et une distance opposée au trou résonant (102, 202, 302), qui appartiennent à la structure de réjection proche (14, 24, 34), sont configurées selon une longueur d'onde électrique correspondant à la fréquence du signal que le filtre (1, 2, 3) doit filtrer.
  4. Module radioélectrique, comprenant le filtre diélectrique à mode électromagnétique transversal selon l'une quelconque des revendications 1 à 3.
  5. Station de base, comprenant le module radioélectrique selon la revendication 4.
EP15867903.5A 2014-12-08 2015-07-24 Filtre diélectrique à mode électromagnétique transversal, module de radiofréquence et station de base Active EP3217468B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410743332.9A CN104466315B (zh) 2014-12-08 2014-12-08 横电磁模介质滤波器、射频模块及基站
PCT/CN2015/085087 WO2016090925A1 (fr) 2014-12-08 2015-07-24 Filtre diélectrique à mode électromagnétique transversal, module de radiofréquence et station de base

Publications (3)

Publication Number Publication Date
EP3217468A1 EP3217468A1 (fr) 2017-09-13
EP3217468A4 EP3217468A4 (fr) 2017-11-29
EP3217468B1 true EP3217468B1 (fr) 2021-01-06

Family

ID=52911977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15867903.5A Active EP3217468B1 (fr) 2014-12-08 2015-07-24 Filtre diélectrique à mode électromagnétique transversal, module de radiofréquence et station de base

Country Status (5)

Country Link
EP (1) EP3217468B1 (fr)
JP (1) JP2017537581A (fr)
CN (1) CN104466315B (fr)
CA (1) CA2970054C (fr)
WO (1) WO2016090925A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104466315B (zh) * 2014-12-08 2017-11-24 上海华为技术有限公司 横电磁模介质滤波器、射频模块及基站
WO2018119825A1 (fr) * 2016-12-29 2018-07-05 深圳市大富科技股份有限公司 Filtre en mode tem et dispositif de communication
CN107359394B (zh) * 2017-08-15 2020-09-11 罗森伯格技术有限公司 可调电磁混合耦合滤波器
CN108493538B (zh) * 2018-04-11 2024-04-16 广东通宇通讯股份有限公司 一种能调节耦合强度的腔体滤波器
WO2023159482A1 (fr) * 2022-02-25 2023-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Dispositif de communication
CN115411476B (zh) * 2022-08-19 2023-09-05 北京遥测技术研究所 一种小型化全金属结构的微同轴微波滤波器芯片

Citations (2)

* Cited by examiner, † Cited by third party
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US4692726A (en) * 1986-07-25 1987-09-08 Motorola, Inc. Multiple resonator dielectric filter
WO2008051572A1 (fr) * 2006-10-27 2008-05-02 Cts Corporation Résonateur/filtre rf monobloc

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US5537085A (en) * 1994-04-28 1996-07-16 Motorola, Inc. Interdigital ceramic filter with transmission zero
KR970008855A (ko) * 1996-11-08 1997-02-24 김덕용 유전체 공진기 필터
US5850168A (en) * 1997-04-18 1998-12-15 Motorola Inc. Ceramic transverse-electromagnetic-mode filter having a waveguide cavity mode frequency shifting void and method of tuning same
TW409458B (en) * 1998-11-03 2000-10-21 Samsung Electro Mech Dielectric filter
KR100342442B1 (ko) * 1999-11-03 2002-06-28 성규제 마이크로스트립 패턴 결합의 tem모드 유전체 동축 공진기를 이용한 초고주파 대역통과 여파기
JP3883902B2 (ja) * 2002-04-25 2007-02-21 三洋電機株式会社 誘電体フィルタ
JP4494931B2 (ja) * 2004-10-19 2010-06-30 日本特殊陶業株式会社 誘電体磁器組成物及びこれを用いた電子部品
JP2007028141A (ja) * 2005-07-15 2007-02-01 Toko Inc 誘電体フィルタ
US7714680B2 (en) * 2006-05-31 2010-05-11 Cts Corporation Ceramic monoblock filter with inductive direct-coupling and quadruplet cross-coupling
CN101340014B (zh) * 2008-08-01 2012-04-04 苏州艾福电子通讯有限公司 带凹槽的陶瓷电介质滤波器和双工器
US9030276B2 (en) * 2008-12-09 2015-05-12 Cts Corporation RF monoblock filter with a dielectric core and with a second filter disposed in a side surface of the dielectric core
CN101626101B (zh) * 2009-08-11 2013-05-22 京信通信系统（中国）有限公司 腔体介质滤波器及其带外抑制方法
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CN104466315B (zh) * 2014-12-08 2017-11-24 上海华为技术有限公司 横电磁模介质滤波器、射频模块及基站

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692726A (en) * 1986-07-25 1987-09-08 Motorola, Inc. Multiple resonator dielectric filter
WO2008051572A1 (fr) * 2006-10-27 2008-05-02 Cts Corporation Résonateur/filtre rf monobloc

Also Published As

Publication number Publication date
JP2017537581A (ja) 2017-12-14
EP3217468A1 (fr) 2017-09-13
EP3217468A4 (fr) 2017-11-29
CA2970054A1 (fr) 2016-06-16
WO2016090925A1 (fr) 2016-06-16
CA2970054C (fr) 2019-04-23
CN104466315A (zh) 2015-03-25
CN104466315B (zh) 2017-11-24

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