CN101079609A - 平衡滤波器和双工器 - Google Patents
平衡滤波器和双工器 Download PDFInfo
- Publication number
- CN101079609A CN101079609A CNA2007101040773A CN200710104077A CN101079609A CN 101079609 A CN101079609 A CN 101079609A CN A2007101040773 A CNA2007101040773 A CN A2007101040773A CN 200710104077 A CN200710104077 A CN 200710104077A CN 101079609 A CN101079609 A CN 101079609A
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- China
- Prior art keywords
- filter
- balanced
- inductor
- ground connection
- terminal
- 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.)
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Links
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Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/42—Balance/unbalance networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
- H03H9/0052—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded
- H03H9/0057—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded the balanced terminals being on the same side of the tracks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
- H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/60—Electric coupling means therefor
- H03H9/605—Electric coupling means therefor consisting of a ladder configuration
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
- H03H9/6476—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the tracks being electrically parallel
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6483—Ladder SAW filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/703—Networks using bulk acoustic wave devices
- H03H9/706—Duplexers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-141956 | 2006-05-22 | ||
JP2006141956A JP4255959B2 (ja) | 2006-05-22 | 2006-05-22 | バランスフィルタおよび分波器 |
JP2006141956 | 2006-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101079609A true CN101079609A (zh) | 2007-11-28 |
CN101079609B CN101079609B (zh) | 2010-06-23 |
Family
ID=38433992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101040773A Active CN101079609B (zh) | 2006-05-22 | 2007-05-22 | 平衡滤波器和双工器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7554419B2 (zh) |
EP (2) | EP2363955B1 (zh) |
JP (1) | JP4255959B2 (zh) |
KR (1) | KR100861194B1 (zh) |
CN (1) | CN101079609B (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102916670A (zh) * | 2011-08-01 | 2013-02-06 | 株式会社村田制作所 | 不平衡-平衡转换电路元件 |
CN103138709A (zh) * | 2013-01-17 | 2013-06-05 | 天津大学 | 射频滤波器和射频多工器 |
CN103201953A (zh) * | 2010-11-09 | 2013-07-10 | 株式会社村田制作所 | 弹性波滤波器装置 |
CN103338023A (zh) * | 2013-03-19 | 2013-10-02 | 甘肃省电力公司检修公司 | 高频局放测量时消除与局放无关的外部噪声的滤波器 |
CN103414325A (zh) * | 2013-07-19 | 2013-11-27 | 合肥工业大学 | 一种并网逆变器llcl滤波器的参数设计方法 |
CN104716926A (zh) * | 2013-12-17 | 2015-06-17 | 贵州中科汉天下电子有限公司 | 压电滤波器 |
CN106877838A (zh) * | 2017-01-16 | 2017-06-20 | 深圳华远微电科技有限公司 | 声表面波滤波器 |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009025057A1 (ja) * | 2007-08-23 | 2009-02-26 | Fujitsu Limited | 分波器、および分波器を含むモジュール、通信機器 |
CN101796725B (zh) * | 2007-11-19 | 2014-03-19 | 太阳诱电株式会社 | 弹性边界波器件以及使用该弹性边界波器件的通信器 |
JP5215767B2 (ja) * | 2008-07-31 | 2013-06-19 | 太陽誘電株式会社 | フィルタ、分波器、および通信機器 |
JP5355958B2 (ja) * | 2008-07-31 | 2013-11-27 | 太陽誘電株式会社 | フィルタ、分波器および通信機器 |
DE102008052222B4 (de) | 2008-10-17 | 2019-01-10 | Snaptrack, Inc. | Antennen Duplexer mit hoher GPS-Unterdrückung |
JP4816710B2 (ja) * | 2008-10-30 | 2011-11-16 | 株式会社村田製作所 | 分波器 |
JP5183459B2 (ja) | 2008-12-26 | 2013-04-17 | 太陽誘電株式会社 | 分波器、分波器用基板および電子装置 |
CN102265515B (zh) | 2008-12-26 | 2014-07-09 | 太阳诱电株式会社 | 双工器以及电子装置 |
JP5237138B2 (ja) * | 2009-01-27 | 2013-07-17 | 太陽誘電株式会社 | フィルタ、デュープレクサ、通信モジュール |
JP4871966B2 (ja) * | 2009-01-30 | 2012-02-08 | 太陽誘電株式会社 | 高周波デバイス、フィルタ、デュープレクサ、通信モジュール、通信装置 |
DE102009014068B4 (de) * | 2009-03-20 | 2011-01-13 | Epcos Ag | Kompaktes, hochintegriertes elektrisches Modul mit Verschaltung aus BAW-Filter und Symmetrierschaltung und Herstellungsverfahren |
JP5210253B2 (ja) | 2009-07-01 | 2013-06-12 | 太陽誘電株式会社 | 弾性波デバイス |
KR101628240B1 (ko) * | 2009-10-28 | 2016-06-08 | 삼성전자주식회사 | 박막 벌크 음향 공진기를 이용한 발룬 |
JP5757629B2 (ja) * | 2010-02-04 | 2015-07-29 | 太陽誘電株式会社 | フィルタ、デュープレクサ、通信モジュール、通信装置 |
JP5255587B2 (ja) * | 2010-03-25 | 2013-08-07 | 三菱電機株式会社 | リミッタ回路 |
KR101684867B1 (ko) | 2010-04-07 | 2016-12-09 | 삼성전자주식회사 | 공간 다중화 이득을 이용한 제어 정보 송수신 방법 |
US9219596B2 (en) * | 2010-06-03 | 2015-12-22 | Broadcom Corporation | Front end module with active tuning of a balancing network |
KR101719325B1 (ko) | 2010-07-19 | 2017-03-23 | 삼성전자주식회사 | Bawr을 이용한 밸런스 구조의 rf 듀플렉서 및 rf 필터 |
DE102010034914A1 (de) | 2010-08-20 | 2012-02-23 | Epcos Ag | Duplexer mit Balun |
KR101716335B1 (ko) * | 2010-12-03 | 2017-03-15 | 삼성전자주식회사 | Bawr을 이용한 저역 통과 필터 |
DE102010055669B4 (de) * | 2010-12-22 | 2018-03-08 | Snaptrack, Inc. | Reaktanzfilter mit Unterdrückung im Sperrbereich und Duplexerbauelement |
JP5754201B2 (ja) * | 2011-03-28 | 2015-07-29 | Tdk株式会社 | 積層構造型バラン |
DE102011100468B4 (de) * | 2011-05-04 | 2013-07-04 | Epcos Ag | Mit akustischen Volumenwellen arbeitendes BAW-Filter, Herstellungsverfahren hierfür und Duplexer |
US9083310B2 (en) | 2012-07-03 | 2015-07-14 | Tdk Corporation | Laminated structural type balun |
CN103311627A (zh) * | 2012-12-29 | 2013-09-18 | 南京理工大学 | P波段集总式微型巴伦 |
US9306535B2 (en) * | 2013-02-28 | 2016-04-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Integrated receive filter including matched balun |
DE102013209450A1 (de) * | 2013-05-22 | 2014-11-27 | Siemens Aktiengesellschaft | Symmetrierschaltung |
US9106204B2 (en) * | 2013-06-10 | 2015-08-11 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Four LC element balun |
CN105556841B (zh) * | 2013-09-17 | 2018-01-02 | 株式会社村田制作所 | 双工器 |
JP2016012796A (ja) * | 2014-06-27 | 2016-01-21 | 太陽誘電株式会社 | フィルタ、デュプレクサおよびモジュール。 |
TWI632567B (zh) * | 2015-10-21 | 2018-08-11 | 村田製作所股份有限公司 | Balanced filter |
US11894622B2 (en) | 2016-08-29 | 2024-02-06 | Silicon Laboratories Inc. | Antenna structure with double-slotted loop and associated methods |
US11764749B2 (en) | 2016-08-29 | 2023-09-19 | Silicon Laboratories Inc. | Apparatus with partitioned radio frequency antenna and matching network and associated methods |
US11769949B2 (en) | 2016-08-29 | 2023-09-26 | Silicon Laboratories Inc. | Apparatus with partitioned radio frequency antenna and matching network and associated methods |
US11749893B2 (en) | 2016-08-29 | 2023-09-05 | Silicon Laboratories Inc. | Apparatus for antenna impedance-matching and associated methods |
US11764473B2 (en) | 2016-08-29 | 2023-09-19 | Silicon Laboratories Inc. | Apparatus with partitioned radio frequency antenna and matching network and associated methods |
WO2018139598A1 (ja) * | 2017-01-30 | 2018-08-02 | 京セラ株式会社 | 弾性波フィルタ、分波器および通信装置 |
US11894621B2 (en) * | 2017-12-18 | 2024-02-06 | Silicon Laboratories Inc. | Radio-frequency apparatus with multi-band balun with improved performance and associated methods |
US11750167B2 (en) | 2017-11-27 | 2023-09-05 | Silicon Laboratories Inc. | Apparatus for radio-frequency matching networks and associated methods |
US11916514B2 (en) | 2017-11-27 | 2024-02-27 | Silicon Laboratories Inc. | Radio-frequency apparatus with multi-band wideband balun and associated methods |
US11894826B2 (en) * | 2017-12-18 | 2024-02-06 | Silicon Laboratories Inc. | Radio-frequency apparatus with multi-band balun and associated methods |
US11368181B2 (en) | 2020-06-30 | 2022-06-21 | Apple Inc. | Duplexer with balanced impedance ladder |
US11862872B2 (en) | 2021-09-30 | 2024-01-02 | Silicon Laboratories Inc. | Apparatus for antenna optimization and associated methods |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000114917A (ja) | 1998-09-30 | 2000-04-21 | Kyocera Corp | バランス型弾性表面波フィルタ |
JP3973915B2 (ja) | 2001-03-30 | 2007-09-12 | 株式会社日立メディアエレクトロニクス | 高周波フィルタ、高周波回路、アンテナ共用器及び無線端末 |
JP3800504B2 (ja) | 2001-05-15 | 2006-07-26 | Tdk株式会社 | フロントエンドモジュール |
US6803835B2 (en) * | 2001-08-30 | 2004-10-12 | Agilent Technologies, Inc. | Integrated filter balun |
US6751470B1 (en) * | 2002-04-08 | 2004-06-15 | Nokia Corporation | Versatile RF front-end multiband mobile terminals |
JP4147817B2 (ja) | 2002-05-23 | 2008-09-10 | 株式会社村田製作所 | 圧電フィルタ、およびそれを有する電子部品 |
EP1731006B1 (en) | 2004-02-23 | 2007-09-19 | Georgia Tech Research Corporation | Liquid crystalline polymer- and multilayer polymer-based passive signal processing components for rf/wireless multi-band applications |
US6963257B2 (en) * | 2004-03-19 | 2005-11-08 | Nokia Corporation | Coupled BAW resonator based duplexers |
WO2005125008A1 (ja) * | 2004-06-17 | 2005-12-29 | Matsushita Electric Industrial Co., Ltd. | Fbarフィルタ |
KR100649497B1 (ko) | 2004-09-23 | 2006-11-28 | 삼성전기주식회사 | 불평형-평형 입출력 구조의 fbar필터 |
JP2006129445A (ja) | 2004-09-28 | 2006-05-18 | Fujitsu Media Device Kk | 分波器 |
JP2006141956A (ja) | 2004-11-23 | 2006-06-08 | Takashi Suzuki | 杖先取付式安全杖スタンド |
KR100799438B1 (ko) * | 2005-08-08 | 2008-01-30 | 후지쓰 메디아 데바이스 가부시키가이샤 | 분파기 및 래더형 필터 |
US7408424B2 (en) * | 2006-04-05 | 2008-08-05 | Tdk Corporation | Compact RF circuit with high common mode attenuation |
-
2006
- 2006-05-22 JP JP2006141956A patent/JP4255959B2/ja active Active
-
2007
- 2007-05-21 KR KR1020070049201A patent/KR100861194B1/ko active IP Right Grant
- 2007-05-21 US US11/802,129 patent/US7554419B2/en active Active
- 2007-05-22 EP EP11168553.3A patent/EP2363955B1/en not_active Expired - Fee Related
- 2007-05-22 CN CN2007101040773A patent/CN101079609B/zh active Active
- 2007-05-22 EP EP07108614A patent/EP1860773B1/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103201953A (zh) * | 2010-11-09 | 2013-07-10 | 株式会社村田制作所 | 弹性波滤波器装置 |
CN103201953B (zh) * | 2010-11-09 | 2015-09-16 | 株式会社村田制作所 | 弹性波滤波器装置 |
US9093980B2 (en) | 2010-11-09 | 2015-07-28 | Murata Manufacturing Co., Ltd. | Elastic wave filter device |
CN102916670B (zh) * | 2011-08-01 | 2015-09-02 | 株式会社村田制作所 | 不平衡-平衡转换电路元件 |
CN102916670A (zh) * | 2011-08-01 | 2013-02-06 | 株式会社村田制作所 | 不平衡-平衡转换电路元件 |
US9059681B2 (en) | 2011-08-01 | 2015-06-16 | Murata Manufacturing Co., Ltd. | Unbalanced-balanced conversion circuit element |
CN103138709A (zh) * | 2013-01-17 | 2013-06-05 | 天津大学 | 射频滤波器和射频多工器 |
CN103138709B (zh) * | 2013-01-17 | 2016-01-27 | 天津大学 | 射频滤波器和射频多工器 |
CN103338023A (zh) * | 2013-03-19 | 2013-10-02 | 甘肃省电力公司检修公司 | 高频局放测量时消除与局放无关的外部噪声的滤波器 |
CN103414325B (zh) * | 2013-07-19 | 2015-11-25 | 合肥工业大学 | 一种并网逆变器llcl滤波器的参数设计方法 |
CN103414325A (zh) * | 2013-07-19 | 2013-11-27 | 合肥工业大学 | 一种并网逆变器llcl滤波器的参数设计方法 |
CN104716926A (zh) * | 2013-12-17 | 2015-06-17 | 贵州中科汉天下电子有限公司 | 压电滤波器 |
CN106877838A (zh) * | 2017-01-16 | 2017-06-20 | 深圳华远微电科技有限公司 | 声表面波滤波器 |
CN106877838B (zh) * | 2017-01-16 | 2020-06-09 | 深圳华远微电科技有限公司 | 声表面波滤波器 |
Also Published As
Publication number | Publication date |
---|---|
CN101079609B (zh) | 2010-06-23 |
US7554419B2 (en) | 2009-06-30 |
EP1860773A3 (en) | 2008-04-16 |
EP2363955A2 (en) | 2011-09-07 |
KR100861194B1 (ko) | 2008-09-30 |
US20070268092A1 (en) | 2007-11-22 |
KR20070112721A (ko) | 2007-11-27 |
JP2007312324A (ja) | 2007-11-29 |
JP4255959B2 (ja) | 2009-04-22 |
EP2363955B1 (en) | 2015-08-19 |
EP2363955A3 (en) | 2011-10-26 |
EP1860773A2 (en) | 2007-11-28 |
EP1860773B1 (en) | 2011-07-13 |
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