EP3280000A4 - Dielectric filter - Google Patents

Dielectric filter Download PDF

Info

Publication number
EP3280000A4
EP3280000A4 EP15890260.1A EP15890260A EP3280000A4 EP 3280000 A4 EP3280000 A4 EP 3280000A4 EP 15890260 A EP15890260 A EP 15890260A EP 3280000 A4 EP3280000 A4 EP 3280000A4
Authority
EP
European Patent Office
Prior art keywords
dielectric filter
dielectric
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15890260.1A
Other languages
German (de)
French (fr)
Other versions
EP3280000A1 (en
EP3280000B1 (en
Inventor
Quan LONG
Xiaoyi DENG
Jian Gu
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
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3280000A1 publication Critical patent/EP3280000A1/en
Publication of EP3280000A4 publication Critical patent/EP3280000A4/en
Application granted granted Critical
Publication of EP3280000B1 publication Critical patent/EP3280000B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01P1/212—Frequency-selective devices, e.g. filters suppressing or attenuating harmonic frequencies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/10—Dielectric resonators
    • 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
    • H01P1/203—Strip line filters
    • H01P1/20309—Strip line filters with dielectric resonator

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
EP15890260.1A 2015-04-29 2015-04-29 Dielectric filter Active EP3280000B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/077805 WO2016172880A1 (en) 2015-04-29 2015-04-29 Dielectric filter

Publications (3)

Publication Number Publication Date
EP3280000A1 EP3280000A1 (en) 2018-02-07
EP3280000A4 true EP3280000A4 (en) 2018-04-11
EP3280000B1 EP3280000B1 (en) 2021-06-02

Family

ID=57198938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15890260.1A Active EP3280000B1 (en) 2015-04-29 2015-04-29 Dielectric filter

Country Status (4)

Country Link
EP (1) EP3280000B1 (en)
KR (1) KR102013056B1 (en)
CN (1) CN107112616B (en)
WO (1) WO2016172880A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111816971A (en) * 2020-08-07 2020-10-23 物广系统有限公司 Resonance structure for controlling distance of harmonic wave and dielectric filter
CN117578053B (en) * 2024-01-17 2024-03-29 成都宇恒博电子科技有限公司 Cavity filter for improving out-of-band rejection performance of filter

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328948A1 (en) * 1988-02-12 1989-08-23 Alcatel Espace Filter using a dielectric resonator
US5691677A (en) * 1993-07-02 1997-11-25 Italtel Spa Tunable resonator for microwave oscillators and filters
EP1079457A2 (en) * 1999-08-24 2001-02-28 Murata Manufacturing Co., Ltd. Dielectric resonance device, dielectric filter, composite dielectric filter device, dielectric duplexer, and communication apparatus
EP1104043A1 (en) * 1999-11-24 2001-05-30 Murata Manufacturing Co., Ltd. Multimode dielectric resonator apparatus, filter, duplexer, and communication apparatus
EP1237223A2 (en) * 2001-02-28 2002-09-04 Murata Manufacturing Co., Ltd. Filter apparatus, duplexer, and communication apparatus
EP1301961A1 (en) * 2000-07-20 2003-04-16 Telecom Italia Lab S.p.A. Dielectric loaded cavity for high frequency filters
US6717490B1 (en) * 1999-05-12 2004-04-06 Robert Bosch Gmbh Dielectrical microwave filter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04104501A (en) * 1990-08-23 1992-04-07 Fujitsu Ltd Dielectric filter
KR20000026761A (en) * 1998-10-23 2000-05-15 구관영 Variable type notch cable mounted outside having dielectric resonance band pass filter
US6670867B2 (en) * 2000-10-26 2003-12-30 Sei-Joo Jang Dielectric filter for filtering out unwanted higher order frequency harmonics and improving skirt response
CN201868545U (en) * 2010-11-05 2011-06-15 升达科技股份有限公司 Higher harmonic suppression device of cavity filter
CN202217759U (en) * 2011-08-16 2012-05-09 武汉凡谷电子技术股份有限公司 Band elimination filter for inhibiting higher-order modes
CN202217767U (en) * 2011-08-16 2012-05-09 武汉凡谷电子技术股份有限公司 Low-pass filter with transmission zero
TW201342002A (en) * 2011-10-31 2013-10-16 Powermag Llc Power conditioning and saving device
KR101307107B1 (en) * 2011-11-08 2013-09-11 주식회사 에이스테크놀로지 Dielectric Resonator Filter
CN103296372A (en) * 2012-03-01 2013-09-11 深圳光启创新技术有限公司 Resonance cavity
CN103872419A (en) * 2012-12-11 2014-06-18 中兴通讯股份有限公司 Medium resonator and assembling method thereof, and medium filter
CN103633402B (en) * 2013-12-16 2016-08-17 华为技术有限公司 Duplexer and there is the communication system of this duplexer
CN104037478B (en) * 2014-05-27 2017-06-27 京信通信系统（中国）有限公司 Dielectric filter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328948A1 (en) * 1988-02-12 1989-08-23 Alcatel Espace Filter using a dielectric resonator
US5691677A (en) * 1993-07-02 1997-11-25 Italtel Spa Tunable resonator for microwave oscillators and filters
US6717490B1 (en) * 1999-05-12 2004-04-06 Robert Bosch Gmbh Dielectrical microwave filter
EP1079457A2 (en) * 1999-08-24 2001-02-28 Murata Manufacturing Co., Ltd. Dielectric resonance device, dielectric filter, composite dielectric filter device, dielectric duplexer, and communication apparatus
EP1104043A1 (en) * 1999-11-24 2001-05-30 Murata Manufacturing Co., Ltd. Multimode dielectric resonator apparatus, filter, duplexer, and communication apparatus
EP1301961A1 (en) * 2000-07-20 2003-04-16 Telecom Italia Lab S.p.A. Dielectric loaded cavity for high frequency filters
EP1237223A2 (en) * 2001-02-28 2002-09-04 Murata Manufacturing Co., Ltd. Filter apparatus, duplexer, and communication apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016172880A1 *

Also Published As

Publication number Publication date
KR102013056B1 (en) 2019-08-21
CN107112616B (en) 2020-01-03
KR20170139662A (en) 2017-12-19
CN107112616A (en) 2017-08-29
EP3280000A1 (en) 2018-02-07
EP3280000B1 (en) 2021-06-02
WO2016172880A1 (en) 2016-11-03

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