CN101971496A - 弹性波滤波器、使用其的双工器以及电子设备 - Google Patents
弹性波滤波器、使用其的双工器以及电子设备 Download PDFInfo
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- CN101971496A CN101971496A CN2009801090322A CN200980109032A CN101971496A CN 101971496 A CN101971496 A CN 101971496A CN 2009801090322 A CN2009801090322 A CN 2009801090322A CN 200980109032 A CN200980109032 A CN 200980109032A CN 101971496 A CN101971496 A CN 101971496A
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- idt electrode
- electrode
- signal terminal
- wave filter
- acoustic wave
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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 elements; 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 elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
- H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
- H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
- H03H9/0038—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
- H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
- H03H9/0047—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks
- H03H9/0066—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks being electrically parallel
- H03H9/0071—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks being electrically parallel 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 elements; 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
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-065388 | 2008-03-14 | ||
JP2008065388 | 2008-03-14 | ||
JP2008113563 | 2008-04-24 | ||
JP2008-113563 | 2008-04-24 | ||
PCT/JP2009/000972 WO2009113274A1 (ja) | 2008-03-14 | 2009-03-04 | 弾性波フィルタおよびそれを用いたデュプレクサおよび電子機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101971496A true CN101971496A (zh) | 2011-02-09 |
CN101971496B CN101971496B (zh) | 2013-11-06 |
Family
ID=41064948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801090322A Active CN101971496B (zh) | 2008-03-14 | 2009-03-04 | 弹性波滤波器、使用其的双工器以及电子设备 |
Country Status (5)
Country | Link |
---|---|
US (3) | US8427259B2 (zh) |
JP (2) | JP5343965B2 (zh) |
KR (1) | KR20100130602A (zh) |
CN (1) | CN101971496B (zh) |
WO (1) | WO2009113274A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103053112A (zh) * | 2011-03-09 | 2013-04-17 | 松下电器产业株式会社 | 弹性波装置 |
CN110506391A (zh) * | 2017-02-27 | 2019-11-26 | 谐振公司 | 增强抑制性的声波滤波器 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8427259B2 (en) * | 2008-03-14 | 2013-04-23 | Panasonic Corporation | Elastic wave filter, and duplexer and electronic device using same |
JP5086140B2 (ja) * | 2008-03-17 | 2012-11-28 | 太陽誘電株式会社 | 弾性波フィルタ |
JP5418091B2 (ja) * | 2009-09-11 | 2014-02-19 | パナソニック株式会社 | 弾性波フィルタ装置及びこれを用いたデュプレクサ及び電子機器 |
JP5170262B2 (ja) | 2009-12-25 | 2013-03-27 | 株式会社村田製作所 | 分波器 |
DE102010005306B4 (de) | 2010-01-21 | 2015-06-18 | Epcos Ag | DMS Filter mit verbesserter Signalunterdrückung |
JP5461207B2 (ja) * | 2010-01-21 | 2014-04-02 | 京セラ株式会社 | 弾性表面波装置 |
DE102010055664B4 (de) * | 2010-12-22 | 2024-04-25 | Snaptrack, Inc. | Oberflächenwellenfilter und Duplexerbauelement |
JP5855639B2 (ja) * | 2011-02-28 | 2016-02-09 | 京セラ株式会社 | 弾性波フィルタ |
JP6116120B2 (ja) | 2012-01-24 | 2017-04-19 | 太陽誘電株式会社 | 弾性波デバイス及び弾性波デバイスの製造方法 |
CN104412510B (zh) | 2012-08-02 | 2016-10-19 | 株式会社村田制作所 | 弹性波装置以及分波装置 |
KR101467296B1 (ko) * | 2013-04-25 | 2014-12-01 | (주)와이솔 | 이중모드 방식 표면 탄성파 필터 |
JP6465065B2 (ja) * | 2016-04-25 | 2019-02-06 | 株式会社村田製作所 | 弾性波装置 |
US11177791B2 (en) | 2019-02-01 | 2021-11-16 | Qorvo Us, Inc. | High quality factor transducers for surface acoustic wave devices |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1333596A (zh) * | 2000-05-22 | 2002-01-30 | 株式会社村田制作所 | 纵向耦合谐振器型表面声波滤波器 |
US6816036B2 (en) * | 2001-07-27 | 2004-11-09 | Murata Manufacturing Co. Ltd | Surface acoustic wave filter and communication apparatus |
JP2005223809A (ja) * | 2004-02-09 | 2005-08-18 | Murata Mfg Co Ltd | 電子部品の製造方法 |
WO2007116760A1 (ja) * | 2006-04-06 | 2007-10-18 | Murata Manufacturing Co., Ltd. | デュプレクサ |
JP2008035092A (ja) * | 2006-07-27 | 2008-02-14 | Kyocera Corp | 弾性表面波素子及び弾性表面波装置並びに通信装置 |
JP2008035007A (ja) * | 2006-07-27 | 2008-02-14 | Fujitsu Media Device Kk | フィルタ |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2001313540A (ja) | 2000-04-28 | 2001-11-09 | Toshiba Corp | 弾性表面波装置 |
JP3729081B2 (ja) * | 2000-06-27 | 2005-12-21 | 株式会社村田製作所 | 弾性表面波装置 |
JP3534080B2 (ja) * | 2001-03-23 | 2004-06-07 | 株式会社村田製作所 | 弾性表面波フィルタ装置 |
JP3509771B2 (ja) | 2001-04-18 | 2004-03-22 | 株式会社村田製作所 | 弾性表面波フィルタ装置、通信装置 |
EP1315297A3 (en) * | 2001-10-29 | 2010-02-17 | Panasonic Corporation | Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same |
JP2003283290A (ja) * | 2002-01-21 | 2003-10-03 | Murata Mfg Co Ltd | 弾性表面波装置およびそれを有する通信装置 |
JP3928534B2 (ja) * | 2002-02-28 | 2007-06-13 | 株式会社村田製作所 | 弾性表面波フィルタ |
JP3963862B2 (ja) * | 2003-05-20 | 2007-08-22 | 富士通メディアデバイス株式会社 | 弾性表面波フィルタ及びそれを有する分波器 |
JP2007053563A (ja) * | 2005-08-17 | 2007-03-01 | Nippon Dempa Kogyo Co Ltd | 弾性表面波フィルタモジュールおよびこのモジュールの製造方法 |
JP2007104052A (ja) * | 2005-09-30 | 2007-04-19 | Nippon Dempa Kogyo Co Ltd | 弾性表面波フィルタ |
JP4557008B2 (ja) * | 2005-10-03 | 2010-10-06 | 株式会社村田製作所 | 弾性波フィルタ装置及びデュプレクサ |
JP2007142491A (ja) * | 2005-11-14 | 2007-06-07 | Murata Mfg Co Ltd | 弾性表面波装置の製造方法及び弾性表面波装置 |
US7579928B2 (en) * | 2006-04-03 | 2009-08-25 | Kyocera Corporation | Surface acoustic wave device and communication device |
JP5121178B2 (ja) * | 2006-07-24 | 2013-01-16 | 京セラ株式会社 | 弾性表面波装置及び通信装置 |
US7501912B2 (en) * | 2006-08-17 | 2009-03-10 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | General matching network for acoustic wave filters and acoustic resonators |
US8427259B2 (en) * | 2008-03-14 | 2013-04-23 | Panasonic Corporation | Elastic wave filter, and duplexer and electronic device using same |
JP5418091B2 (ja) * | 2009-09-11 | 2014-02-19 | パナソニック株式会社 | 弾性波フィルタ装置及びこれを用いたデュプレクサ及び電子機器 |
-
2009
- 2009-03-04 US US12/921,580 patent/US8427259B2/en active Active
- 2009-03-04 WO PCT/JP2009/000972 patent/WO2009113274A1/ja active Application Filing
- 2009-03-04 JP JP2010502712A patent/JP5343965B2/ja active Active
- 2009-03-04 KR KR1020107020287A patent/KR20100130602A/ko not_active Withdrawn
- 2009-03-04 CN CN2009801090322A patent/CN101971496B/zh active Active
-
2013
- 2013-03-18 US US13/845,547 patent/US9203378B2/en active Active
- 2013-06-14 JP JP2013125351A patent/JP5690877B2/ja active Active
-
2015
- 2015-11-17 US US14/943,683 patent/US9722576B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1333596A (zh) * | 2000-05-22 | 2002-01-30 | 株式会社村田制作所 | 纵向耦合谐振器型表面声波滤波器 |
US6816036B2 (en) * | 2001-07-27 | 2004-11-09 | Murata Manufacturing Co. Ltd | Surface acoustic wave filter and communication apparatus |
JP2005223809A (ja) * | 2004-02-09 | 2005-08-18 | Murata Mfg Co Ltd | 電子部品の製造方法 |
WO2007116760A1 (ja) * | 2006-04-06 | 2007-10-18 | Murata Manufacturing Co., Ltd. | デュプレクサ |
JP2008035092A (ja) * | 2006-07-27 | 2008-02-14 | Kyocera Corp | 弾性表面波素子及び弾性表面波装置並びに通信装置 |
JP2008035007A (ja) * | 2006-07-27 | 2008-02-14 | Fujitsu Media Device Kk | フィルタ |
Non-Patent Citations (1)
Title |
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A.S.LOSEU等: "Improvement of Balance Performance in LSAW Filters Based on 5-IDT Multi-Mode Structure", 《2007 IEEE ULTRASONICS SYMPOSIUM》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103053112A (zh) * | 2011-03-09 | 2013-04-17 | 松下电器产业株式会社 | 弹性波装置 |
CN103053112B (zh) * | 2011-03-09 | 2015-12-09 | 天工松下滤波方案日本有限公司 | 弹性波装置 |
CN110506391A (zh) * | 2017-02-27 | 2019-11-26 | 谐振公司 | 增强抑制性的声波滤波器 |
Also Published As
Publication number | Publication date |
---|---|
US20160072471A1 (en) | 2016-03-10 |
US8427259B2 (en) | 2013-04-23 |
US9722576B2 (en) | 2017-08-01 |
WO2009113274A1 (ja) | 2009-09-17 |
JP2013176169A (ja) | 2013-09-05 |
JP5690877B2 (ja) | 2015-03-25 |
US20130214872A1 (en) | 2013-08-22 |
KR20100130602A (ko) | 2010-12-13 |
JPWO2009113274A1 (ja) | 2011-07-21 |
CN101971496B (zh) | 2013-11-06 |
US20110006855A1 (en) | 2011-01-13 |
US9203378B2 (en) | 2015-12-01 |
JP5343965B2 (ja) | 2013-11-13 |
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