CN103314481A - 有源带阻滤波器 - Google Patents

有源带阻滤波器 Download PDF

Info

Publication number
CN103314481A
CN103314481A CN2011800606228A CN201180060622A CN103314481A CN 103314481 A CN103314481 A CN 103314481A CN 2011800606228 A CN2011800606228 A CN 2011800606228A CN 201180060622 A CN201180060622 A CN 201180060622A CN 103314481 A CN103314481 A CN 103314481A
Authority
CN
China
Prior art keywords
filter
resonator
load impedance
active
band
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.)
Pending
Application number
CN2011800606228A
Other languages
English (en)
Chinese (zh)
Inventor
R.拉巴比迪
J.林蒂格纳特
D.洛海因唐
A.洛齐尔
B.巴雷劳德
B.贾里
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CN103314481A publication Critical patent/CN103314481A/zh
Pending legal-status Critical Current

Links

Images

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
    • H01P1/203—Strip line filters
    • H01P1/2039—Galvanic coupling between Input/Output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CN2011800606228A 2010-12-16 2011-03-11 有源带阻滤波器 Pending CN103314481A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10195414 2010-12-16
EP10195414.7 2010-12-16
PCT/EP2011/053684 WO2012079777A1 (fr) 2010-12-16 2011-03-11 Filtre stop bande actif

Publications (1)

Publication Number Publication Date
CN103314481A true CN103314481A (zh) 2013-09-18

Family

ID=44625357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011800606228A Pending CN103314481A (zh) 2010-12-16 2011-03-11 有源带阻滤波器

Country Status (6)

Country Link
US (1) US9300273B2 (https=)
EP (1) EP2652835A1 (https=)
JP (1) JP5786031B2 (https=)
KR (1) KR20130142160A (https=)
CN (1) CN103314481A (https=)
WO (1) WO2012079777A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103684341A (zh) * 2013-11-28 2014-03-26 成都位时通科技有限公司 性能优越的滤波解调器
CN105428763A (zh) * 2015-12-31 2016-03-23 京信通信技术(广州)有限公司 一种滤波结构及带阻滤波器
CN112653419A (zh) * 2020-12-11 2021-04-13 北京北方华创微电子装备有限公司 一种滤波方法、滤波电路

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10720714B1 (en) * 2013-03-04 2020-07-21 Ethertronics, Inc. Beam shaping techniques for wideband antenna
EP4197063B1 (en) * 2021-02-18 2025-09-24 Huawei Technologies Co., Ltd. Antenna for a wireless communication device and such a device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5074834U (https=) * 1973-11-12 1975-06-30
JPS6326001A (ja) * 1986-06-27 1988-02-03 ブロ−ドバンド・エンジニアリング・インコ−ポレ−テッド セラミック・スクランブラモジュ−ル
US20040036558A1 (en) * 2002-08-21 2004-02-26 Allison Robert C. MEMS tunable filters
US20060273869A1 (en) * 2005-06-06 2006-12-07 Jachowski Douglas R Narrow-band absorptive bandstop filter with multiple signal paths
EP1898486A1 (en) * 2006-09-08 2008-03-12 NTT DoCoMo, Inc. Variable resonator, variable bandwidth filter, and electric circuit device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593225A (en) * 1969-09-29 1971-07-13 Us Army L-band switchable narrow bandstop filter
JPS5074834A (https=) 1973-11-07 1975-06-19
US3974399A (en) * 1974-05-09 1976-08-10 Yagi Antenna Co., Ltd. Active high Q filter using transistor
FI106608B (fi) * 1996-09-26 2001-02-28 Filtronic Lk Oy Sähköisesti säädettävä suodatin
JPH11205066A (ja) * 1998-01-13 1999-07-30 Murata Mfg Co Ltd フィルタ
EP1035648A3 (en) * 1999-03-10 2000-12-27 Matsushita Electric Industrial Co., Ltd. A band switching filter using a surface acoustic wave resonator and an antenna duplexer using the same
JP2011244187A (ja) 2010-05-18 2011-12-01 Mitsubishi Electric Corp 帯域可変フィルタ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5074834U (https=) * 1973-11-12 1975-06-30
JPS6326001A (ja) * 1986-06-27 1988-02-03 ブロ−ドバンド・エンジニアリング・インコ−ポレ−テッド セラミック・スクランブラモジュ−ル
US20040036558A1 (en) * 2002-08-21 2004-02-26 Allison Robert C. MEMS tunable filters
US20060273869A1 (en) * 2005-06-06 2006-12-07 Jachowski Douglas R Narrow-band absorptive bandstop filter with multiple signal paths
EP1898486A1 (en) * 2006-09-08 2008-03-12 NTT DoCoMo, Inc. Variable resonator, variable bandwidth filter, and electric circuit device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103684341A (zh) * 2013-11-28 2014-03-26 成都位时通科技有限公司 性能优越的滤波解调器
CN105428763A (zh) * 2015-12-31 2016-03-23 京信通信技术(广州)有限公司 一种滤波结构及带阻滤波器
CN112653419A (zh) * 2020-12-11 2021-04-13 北京北方华创微电子装备有限公司 一种滤波方法、滤波电路

Also Published As

Publication number Publication date
EP2652835A1 (fr) 2013-10-23
KR20130142160A (ko) 2013-12-27
JP5786031B2 (ja) 2015-09-30
WO2012079777A1 (fr) 2012-06-21
US20130293321A1 (en) 2013-11-07
JP2014501461A (ja) 2014-01-20
US9300273B2 (en) 2016-03-29

Similar Documents

Publication Publication Date Title
US9799952B2 (en) Filtering antenna systems, devices, and methods
US6472953B1 (en) Band switching filter using a surface acoustic wave resonator and an antenna duplexer using the same
JP5702088B2 (ja) Ｕｈｆバンドチャンネル信号の受信のための電気的小型アンテナを含むアンテナシステム
US8648672B2 (en) Filter, portable terminal and electronic component
US8306499B2 (en) High-frequency filter
US9748916B2 (en) Adaptive filter response systems and methods
CN101185244B (zh) 自动校准的谐振滤波器电路和集成了该电路的宽频调谐电路
JPH07170204A (ja) 無線周波数フィルタ、及びこれを用いた無線電話
CN103314481A (zh) 有源带阻滤波器
US20070024393A1 (en) Tunable notch duplexer
US11146242B2 (en) Filter device, multiplexer, radio frequency front end circuit, and communication device
US9705170B2 (en) Switchable band-pass filter
US5262741A (en) Attenuator for high-frequency signal
US10566950B2 (en) Variable frequency filter and high-frequency front end circuit
KR20010047547A (ko) 무선 단말기의 통화 신호 및 텔레비전 방송 신호 안테나공용 장치
Huang et al. Tunable antenna design procedure and harmonics suppression methods of the tunable DVB-H antenna for mobile applications
US6721017B2 (en) Television tuner's intermediate frequency tuning circuit capable of receiving FM broadcast signals
JP5940880B2 (ja) 帯域阻止フィルタ
JP3592153B2 (ja) テレビジョン信号送信機
JP3101832U (ja) 中間周波回路
US9343807B2 (en) Antenna system for receiving and transmitting wireless signals
CN103580712B (zh) 信号收发器及适应性阻抗切换电路
Lababidi et al. Tunable semi-lumped dual response filter using active capacitor circuit for multistandard systems
JP2012186585A (ja) テレビジョンチューナ
KR20130034875A (ko) 차단 대역 가변형 필터

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned

Effective date of abandoning: 20170315

C20 Patent right or utility model deemed to be abandoned or is abandoned