CN1543065A - 使用表面声波滤波器的双工器 - Google Patents
使用表面声波滤波器的双工器 Download PDFInfo
- Publication number
- CN1543065A CN1543065A CNA2004100375795A CN200410037579A CN1543065A CN 1543065 A CN1543065 A CN 1543065A CN A2004100375795 A CNA2004100375795 A CN A2004100375795A CN 200410037579 A CN200410037579 A CN 200410037579A CN 1543065 A CN1543065 A CN 1543065A
- Authority
- CN
- China
- Prior art keywords
- duplexer
- phase matched
- pattern
- acoustic wave
- matched circuit
- 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
Links
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- 230000005764 inhibitory process Effects 0.000 description 3
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- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
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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
- H03H9/70—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
- 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
- H03H9/64—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
- H03H9/72—Networks using surface acoustic waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003124385A JP3778902B2 (ja) | 2003-04-28 | 2003-04-28 | 分波器及び電子装置 |
JP124385/2003 | 2003-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1543065A true CN1543065A (zh) | 2004-11-03 |
CN100474774C CN100474774C (zh) | 2009-04-01 |
Family
ID=33296703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100375795A Expired - Lifetime CN100474774C (zh) | 2003-04-28 | 2004-04-28 | 使用表面声波滤波器的双工器和电子设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7053731B2 (zh) |
JP (1) | JP3778902B2 (zh) |
KR (1) | KR100717659B1 (zh) |
CN (1) | CN100474774C (zh) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1702961B (zh) * | 2004-05-27 | 2010-04-28 | 京瓷株式会社 | 声表面波装置及通信机器 |
CN1968012B (zh) * | 2005-11-15 | 2010-08-18 | 富士通媒体部品株式会社 | 双工器 |
CN102301610A (zh) * | 2009-01-28 | 2011-12-28 | 株式会社村田制作所 | 天线共用模块 |
CN101604963B (zh) * | 2008-06-09 | 2012-05-16 | 太阳诱电株式会社 | 分波器 |
CN101771396B (zh) * | 2008-12-26 | 2013-04-17 | 太阳诱电株式会社 | 双工器、用于双工器的基板以及电子装置 |
CN101689846B (zh) * | 2007-08-30 | 2013-10-09 | 京瓷株式会社 | 电子部件 |
CN103404026A (zh) * | 2011-03-03 | 2013-11-20 | 株式会社村田制作所 | 基板、双工器及基板模块 |
CN103973256A (zh) * | 2013-01-29 | 2014-08-06 | 太阳诱电株式会社 | 模块 |
CN109660224A (zh) * | 2018-12-18 | 2019-04-19 | 北方民族大学 | 滤波器用复合压电基片及其制备方法 |
CN109672420A (zh) * | 2018-12-18 | 2019-04-23 | 北方民族大学 | 设置镁铝合金膜的多层压电基片及其制备方法 |
CN110473511A (zh) * | 2019-08-07 | 2019-11-19 | 西北工业大学 | 一种具有阻抗匹配层的空间弯折吸声超结构 |
CN113839646A (zh) * | 2021-09-29 | 2021-12-24 | 北京超材信息科技有限公司 | 声表面波装置阻抗匹配器 |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100552482B1 (ko) * | 2003-11-28 | 2006-02-15 | 삼성전자주식회사 | Rf 듀플렉서 |
WO2005055423A1 (ja) * | 2003-12-01 | 2005-06-16 | Murata Manufacturing Co., Ltd. | フィルタ装置 |
US7196594B2 (en) * | 2004-01-29 | 2007-03-27 | Triquint, Inc. | Surface acoustic wave duplexer having enhanced isolation performance |
JP3910187B2 (ja) * | 2004-04-27 | 2007-04-25 | 富士通メディアデバイス株式会社 | 分波器及び電子装置 |
US7332986B2 (en) * | 2004-06-28 | 2008-02-19 | Kyocera Corporation | Surface acoustic wave apparatus and communications equipment |
JP4587732B2 (ja) * | 2004-07-28 | 2010-11-24 | 京セラ株式会社 | 弾性表面波装置 |
JP4091043B2 (ja) * | 2004-12-22 | 2008-05-28 | 富士通メディアデバイス株式会社 | 分波器 |
JP4446922B2 (ja) * | 2005-04-21 | 2010-04-07 | 富士通メディアデバイス株式会社 | フィルタおよび分波器 |
JP2007074698A (ja) * | 2005-08-08 | 2007-03-22 | Fujitsu Media Device Kk | 分波器及びラダー型フィルタ |
DE102006005298B4 (de) * | 2006-02-06 | 2017-05-24 | Epcos Ag | Duplexer |
EP2031755B1 (en) * | 2006-06-12 | 2013-11-20 | Murata Manufacturing Co. Ltd. | Wave demultiplexer |
DE102006033709B4 (de) * | 2006-07-20 | 2010-01-14 | Epcos Ag | Elektrisches Modul |
DE102006059996B4 (de) * | 2006-12-19 | 2015-02-26 | Epcos Ag | Anordnung mit einem HF Bauelement und Verfahren zur Kompensation der Anbindungsinduktivität |
JP4943137B2 (ja) * | 2006-12-25 | 2012-05-30 | 京セラ株式会社 | 分波器および通信装置 |
JP5073355B2 (ja) | 2007-04-20 | 2012-11-14 | 太陽誘電株式会社 | アンテナ分波器 |
EP2249478B1 (en) * | 2008-02-20 | 2015-01-07 | Taiyo Yuden Co., Ltd. | Filter, branching filter, communication module, and communication equipment |
JP5230270B2 (ja) * | 2008-05-29 | 2013-07-10 | 京セラ株式会社 | 分波器および無線通信機器 |
DE102008052222B4 (de) * | 2008-10-17 | 2019-01-10 | Snaptrack, Inc. | Antennen Duplexer mit hoher GPS-Unterdrückung |
EP2381576B8 (en) * | 2008-12-26 | 2019-01-02 | Taiyo Yuden Co., Ltd. | Demultiplexer and electronic device |
JP5018858B2 (ja) * | 2009-10-27 | 2012-09-05 | 株式会社村田製作所 | 高周波モジュール |
WO2011136100A1 (ja) | 2010-04-30 | 2011-11-03 | 株式会社村田製作所 | 複合部品 |
DE102013104842B4 (de) * | 2013-05-10 | 2015-11-12 | Epcos Ag | Zur Miniaturisierung geeignetes HF-Bauelement mit verringerter Kopplung |
JP5817795B2 (ja) * | 2013-08-06 | 2015-11-18 | 株式会社村田製作所 | 高周波モジュール |
JP6564448B2 (ja) * | 2014-06-30 | 2019-08-21 | スナップトラック・インコーポレーテッド | RFフィルタ回路、減衰が改善されたrfフィルタおよび分離度が改善されたデュプレクサ |
CN109478880B (zh) * | 2016-06-29 | 2022-06-24 | 株式会社村田制作所 | 多工器、高频前端电路及通信装置 |
JP2018101943A (ja) | 2016-12-21 | 2018-06-28 | 株式会社村田製作所 | 高周波モジュール |
WO2018212025A1 (ja) * | 2017-05-16 | 2018-11-22 | 株式会社村田製作所 | マルチプレクサ、送信装置および受信装置 |
US11823831B2 (en) * | 2019-05-24 | 2023-11-21 | Qualcomm Incorporated | Substrate comprising an inductive coupler for signal leakage reduction |
KR20210049540A (ko) | 2019-10-25 | 2021-05-06 | 삼성전기주식회사 | 통신 모듈 |
RU205909U1 (ru) * | 2021-03-18 | 2021-08-12 | Общество с ограниченной ответственностью "БУТИС" | Дуплексерный фильтр на поверхностных акустических волнах |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58117701A (ja) | 1982-01-06 | 1983-07-13 | Nec Corp | 高周波ストリツプ線路 |
JP2800905B2 (ja) * | 1991-10-28 | 1998-09-21 | 富士通株式会社 | 弾性表面波フィルタ |
JP3433430B2 (ja) | 1992-09-14 | 2003-08-04 | 富士通株式会社 | 分波器 |
JP2905094B2 (ja) * | 1994-07-01 | 1999-06-14 | 富士通株式会社 | 分波器パッケージ |
JPH09172340A (ja) | 1995-12-19 | 1997-06-30 | Murata Mfg Co Ltd | 分波器 |
JP3222072B2 (ja) | 1996-10-15 | 2001-10-22 | 富士通株式会社 | 分波器パッケージ |
JP3982876B2 (ja) * | 1997-06-30 | 2007-09-26 | 沖電気工業株式会社 | 弾性表面波装置 |
KR100328882B1 (ko) * | 1998-10-31 | 2002-08-28 | 전자부품연구원 | 표면탄성파듀플렉서패키지 |
JP3498204B2 (ja) * | 1999-03-10 | 2004-02-16 | 株式会社村田製作所 | 弾性表面波フィルタ、それを用いた通信機装置 |
JP3750792B2 (ja) | 1999-10-04 | 2006-03-01 | Tdk株式会社 | 移動体通信機器用フロントエンドモジュール |
JP2001168669A (ja) | 1999-12-09 | 2001-06-22 | Murata Mfg Co Ltd | 積層型デュプレクサ |
US6720842B2 (en) * | 2000-02-14 | 2004-04-13 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter device having first through third surface acoustic wave filter elements |
JP3478264B2 (ja) * | 2000-03-10 | 2003-12-15 | 株式会社村田製作所 | 弾性表面波装置 |
JP3375936B2 (ja) * | 2000-05-10 | 2003-02-10 | 富士通株式会社 | 分波器デバイス |
JP3363870B2 (ja) * | 2000-05-29 | 2003-01-08 | 沖電気工業株式会社 | 弾性表面波分波器 |
JP2002141771A (ja) * | 2000-08-21 | 2002-05-17 | Murata Mfg Co Ltd | 弾性表面波フィルタ装置 |
JP2002118486A (ja) | 2000-10-06 | 2002-04-19 | Matsushita Electric Ind Co Ltd | 高周波複合スイッチモジュール |
JP3532158B2 (ja) | 2001-02-09 | 2004-05-31 | 富士通株式会社 | 分波器デバイス |
JP2002290204A (ja) | 2001-03-27 | 2002-10-04 | Toyo Commun Equip Co Ltd | ラダー型弾性表面波フィルタ |
JP4232884B2 (ja) | 2001-07-18 | 2009-03-04 | Tdk株式会社 | モジュール部品 |
JP2003051731A (ja) * | 2001-08-06 | 2003-02-21 | Murata Mfg Co Ltd | 弾性表面波分波器 |
JP4711101B2 (ja) | 2001-09-25 | 2011-06-29 | Tdk株式会社 | 共振フィルタ、デュプレクサならびにこれらの特性調整方法 |
JP4000960B2 (ja) * | 2001-10-19 | 2007-10-31 | 株式会社村田製作所 | 分波器、通信装置 |
JP3818896B2 (ja) * | 2001-11-26 | 2006-09-06 | 富士通メディアデバイス株式会社 | 分波器及びこれを用いた電子装置 |
US6765456B2 (en) * | 2001-12-17 | 2004-07-20 | Oki Electric Industry Co., Ltd. | Surface acoustic wave duplexer and portable communication device using the same |
JP3833569B2 (ja) * | 2001-12-21 | 2006-10-11 | 富士通メディアデバイス株式会社 | 分波器及びこれを用いた電子装置 |
JP3855842B2 (ja) * | 2002-05-16 | 2006-12-13 | 株式会社村田製作所 | 弾性表面波分波器およびそれを有する通信装置 |
JP2004080233A (ja) | 2002-08-14 | 2004-03-11 | Murata Mfg Co Ltd | 分波器 |
-
2003
- 2003-04-28 JP JP2003124385A patent/JP3778902B2/ja not_active Expired - Lifetime
-
2004
- 2004-04-19 US US10/826,368 patent/US7053731B2/en not_active Expired - Lifetime
- 2004-04-27 KR KR1020040029210A patent/KR100717659B1/ko active IP Right Grant
- 2004-04-28 CN CNB2004100375795A patent/CN100474774C/zh not_active Expired - Lifetime
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1702961B (zh) * | 2004-05-27 | 2010-04-28 | 京瓷株式会社 | 声表面波装置及通信机器 |
CN1968012B (zh) * | 2005-11-15 | 2010-08-18 | 富士通媒体部品株式会社 | 双工器 |
US7941103B2 (en) | 2005-11-15 | 2011-05-10 | Taiyo Yuden Co., Ltd. | Duplexer |
CN101689846B (zh) * | 2007-08-30 | 2013-10-09 | 京瓷株式会社 | 电子部件 |
US8587389B2 (en) | 2007-08-30 | 2013-11-19 | Kyocera Corporation | Electronic device |
CN101604963B (zh) * | 2008-06-09 | 2012-05-16 | 太阳诱电株式会社 | 分波器 |
CN101771396B (zh) * | 2008-12-26 | 2013-04-17 | 太阳诱电株式会社 | 双工器、用于双工器的基板以及电子装置 |
CN102301610B (zh) * | 2009-01-28 | 2014-02-12 | 株式会社村田制作所 | 天线共用模块 |
CN102301610A (zh) * | 2009-01-28 | 2011-12-28 | 株式会社村田制作所 | 天线共用模块 |
CN103404026A (zh) * | 2011-03-03 | 2013-11-20 | 株式会社村田制作所 | 基板、双工器及基板模块 |
CN103973256A (zh) * | 2013-01-29 | 2014-08-06 | 太阳诱电株式会社 | 模块 |
US9571062B2 (en) | 2013-01-29 | 2017-02-14 | Taiyo Yuden Co., Ltd. | Module |
CN109660224A (zh) * | 2018-12-18 | 2019-04-19 | 北方民族大学 | 滤波器用复合压电基片及其制备方法 |
CN109672420A (zh) * | 2018-12-18 | 2019-04-23 | 北方民族大学 | 设置镁铝合金膜的多层压电基片及其制备方法 |
CN109660224B (zh) * | 2018-12-18 | 2023-03-24 | 北方民族大学 | 滤波器用复合压电基片及其制备方法 |
CN110473511A (zh) * | 2019-08-07 | 2019-11-19 | 西北工业大学 | 一种具有阻抗匹配层的空间弯折吸声超结构 |
CN110473511B (zh) * | 2019-08-07 | 2022-12-27 | 西北工业大学 | 一种具有阻抗匹配层的空间弯折吸声超结构 |
CN113839646A (zh) * | 2021-09-29 | 2021-12-24 | 北京超材信息科技有限公司 | 声表面波装置阻抗匹配器 |
CN113839646B (zh) * | 2021-09-29 | 2024-04-09 | 北京超材信息科技有限公司 | 声表面波装置阻抗匹配器 |
Also Published As
Publication number | Publication date |
---|---|
JP2004328676A (ja) | 2004-11-18 |
KR100717659B1 (ko) | 2007-05-15 |
US7053731B2 (en) | 2006-05-30 |
KR20040093438A (ko) | 2004-11-05 |
JP3778902B2 (ja) | 2006-05-24 |
US20040212451A1 (en) | 2004-10-28 |
CN100474774C (zh) | 2009-04-01 |
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