WO2009025055A1 - 弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機 - Google Patents
弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機 Download PDFInfo
- Publication number
- WO2009025055A1 WO2009025055A1 PCT/JP2007/066388 JP2007066388W WO2009025055A1 WO 2009025055 A1 WO2009025055 A1 WO 2009025055A1 JP 2007066388 W JP2007066388 W JP 2007066388W WO 2009025055 A1 WO2009025055 A1 WO 2009025055A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resonator
- wave filter
- elastic wave
- duplexer
- frequency
- Prior art date
Links
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
- H03H9/0571—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including bulk acoustic wave [BAW] 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
- H03H9/70—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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780100318.5A CN101785184B (zh) | 2007-08-23 | 2007-08-23 | 弹性波滤波器、使用该弹性波滤波器的双工器及使用该双工器的通信机 |
JP2009528926A JP5072047B2 (ja) | 2007-08-23 | 2007-08-23 | 弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機 |
PCT/JP2007/066388 WO2009025055A1 (ja) | 2007-08-23 | 2007-08-23 | 弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機 |
US12/684,481 US8125298B2 (en) | 2007-08-23 | 2010-01-08 | Acoustic wave filter, duplexer using the acoustic wave filter, and communication apparatus using the duplexer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/066388 WO2009025055A1 (ja) | 2007-08-23 | 2007-08-23 | 弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/684,481 Continuation US8125298B2 (en) | 2007-08-23 | 2010-01-08 | Acoustic wave filter, duplexer using the acoustic wave filter, and communication apparatus using the duplexer |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009025055A1 true WO2009025055A1 (ja) | 2009-02-26 |
Family
ID=40377965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/066388 WO2009025055A1 (ja) | 2007-08-23 | 2007-08-23 | 弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8125298B2 (ja) |
JP (1) | JP5072047B2 (ja) |
CN (1) | CN101785184B (ja) |
WO (1) | WO2009025055A1 (ja) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110316649A1 (en) * | 2009-03-04 | 2011-12-29 | Epcos Ag | Reactance Filter Having a Steep Edge |
JP2012151697A (ja) * | 2011-01-19 | 2012-08-09 | Taiyo Yuden Co Ltd | 分波器 |
US20120293277A1 (en) * | 2010-02-04 | 2012-11-22 | Taiyo Yuden Co., Ltd. | Filter, duplexer, communication module, communication device |
WO2013080461A1 (ja) * | 2011-11-30 | 2013-06-06 | パナソニック株式会社 | ラダー型弾性波フィルタと、これを用いたアンテナ共用器 |
JP2014068123A (ja) * | 2012-09-25 | 2014-04-17 | Murata Mfg Co Ltd | ラダー型フィルタ及び分波器 |
JP2016054374A (ja) * | 2014-09-03 | 2016-04-14 | 株式会社村田製作所 | 可変共振回路および可変フィルタ回路 |
JP2016136687A (ja) * | 2015-01-23 | 2016-07-28 | 株式会社村田製作所 | ラダー型フィルタ |
JP2017157905A (ja) * | 2016-02-29 | 2017-09-07 | 京セラ株式会社 | 弾性波フィルタ、分波器および通信装置 |
WO2018016279A1 (ja) * | 2016-07-22 | 2018-01-25 | 株式会社村田製作所 | 高周波フィルタ回路、マルチプレクサ、高周波フロントエンド回路及び通信装置 |
US10727810B2 (en) | 2017-03-01 | 2020-07-28 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, multiplexer, radio-frequency front-end circuit, and communication device |
US10763825B2 (en) | 2017-02-07 | 2020-09-01 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, radio-frequency front-end circuit, and communication device |
KR20210014080A (ko) | 2019-07-29 | 2021-02-08 | 가부시키가이샤 무라타 세이사쿠쇼 | 필터 회로 및 복합 필터 장치 |
US11012050B2 (en) | 2017-01-19 | 2021-05-18 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, radio-frequency front-end circuit, and communication apparatus |
US11031920B2 (en) | 2017-01-30 | 2021-06-08 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, radio-frequency front-end circuit, and communication apparatus |
US11031921B2 (en) | 2017-04-03 | 2021-06-08 | Murata Manufacturing Co., Ltd. | Acoustic wave filter device, duplexer, radio frequency front end circuit and communication apparatus |
US11611331B2 (en) | 2018-03-28 | 2023-03-21 | Murata Manufacturing Co., Ltd. | Multiplexer, radio-frequency front-end circuit, communication apparatus, and elastic wave filter |
JP7491087B2 (ja) | 2019-12-11 | 2024-05-28 | 株式会社村田製作所 | フィルタ装置 |
Families Citing this family (26)
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US8508316B2 (en) * | 2010-10-21 | 2013-08-13 | Epcos Ag | Bulk acoustic wave filter of ladder-type structure |
TWI487194B (zh) * | 2011-09-02 | 2015-06-01 | Quanta Comp Inc | Method of reducing load current and electronic device |
US20130120082A1 (en) * | 2011-11-10 | 2013-05-16 | Qualcomm Incorporated | Two-port resonators electrically coupled in parallel |
CN104145429A (zh) * | 2012-04-04 | 2014-11-12 | 株式会社村田制作所 | 通信装置 |
CN103427779B (zh) * | 2012-05-16 | 2018-11-02 | 中兴通讯股份有限公司 | 一种梯形结构声波窄带带通滤波器 |
DE102012108030B4 (de) * | 2012-08-30 | 2018-05-09 | Snaptrack, Inc. | Multiplexer mit verringerten Intermodulationsprodukten |
JP6183932B2 (ja) * | 2013-03-15 | 2017-08-23 | スナップトラック・インコーポレーテッド | 音響波で動作する共鳴器を備えるリアクタンスフィルタ |
WO2016031391A1 (ja) * | 2014-08-26 | 2016-03-03 | 株式会社村田製作所 | ラダー型フィルタ及びデュプレクサ |
DE102014112676A1 (de) * | 2014-09-03 | 2016-03-03 | Epcos Ag | Filter mit verbesserter Linearität |
CN107210731B (zh) * | 2015-04-30 | 2020-08-21 | 株式会社村田制作所 | 梯子型滤波器及双工器 |
JP6530494B2 (ja) * | 2015-08-31 | 2019-06-12 | 京セラ株式会社 | 弾性表面波素子 |
JP6590760B2 (ja) * | 2016-06-10 | 2019-10-16 | 太陽誘電株式会社 | 弾性波デバイス |
WO2018047862A1 (ja) * | 2016-09-07 | 2018-03-15 | 株式会社村田製作所 | 弾性波フィルタ装置及び複合フィルタ装置 |
CN110431744B (zh) | 2017-03-15 | 2023-07-21 | 株式会社村田制作所 | 多工器、高频前端电路以及通信装置 |
WO2019012822A1 (ja) * | 2017-07-10 | 2019-01-17 | 株式会社村田製作所 | 高周波フィルタ、マルチプレクサ、高周波フロントエンド回路および通信装置 |
SG10201902753RA (en) | 2018-04-12 | 2019-11-28 | Skyworks Solutions Inc | Filter Including Two Types Of Acoustic Wave Resonators |
US10979028B2 (en) * | 2018-05-04 | 2021-04-13 | Skyworks Solutions, Inc. | Reduced temperature coefficient of frequency at filter transition band while retaining pass-band width |
JP2020005161A (ja) * | 2018-06-29 | 2020-01-09 | 株式会社村田製作所 | フィルタおよびマルチプレクサ |
KR102066958B1 (ko) * | 2018-07-10 | 2020-01-16 | 삼성전기주식회사 | 필터 |
KR102587884B1 (ko) * | 2018-08-13 | 2023-10-10 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 필터 |
CN111600571A (zh) * | 2020-01-03 | 2020-08-28 | 诺思(天津)微***有限责任公司 | 一种滤波器、信号处理设备及制造所述滤波器的方法 |
KR20220066462A (ko) | 2020-11-16 | 2022-05-24 | 삼성전기주식회사 | 음향 공진기 필터 |
KR102608094B1 (ko) | 2020-12-24 | 2023-12-01 | 삼성전기주식회사 | 체적 음향 공진기 필터 |
KR20220123934A (ko) | 2021-03-02 | 2022-09-13 | 삼성전기주식회사 | 음향 공진기 필터 |
CN116781035A (zh) * | 2023-06-29 | 2023-09-19 | 锐石创芯(重庆)科技有限公司 | 滤波器、多工器及射频前端模组 |
CN117955455A (zh) * | 2024-03-25 | 2024-04-30 | 成都频岢微电子有限公司 | 一种窄带滤波器 |
Citations (2)
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JP2000077972A (ja) * | 1998-08-31 | 2000-03-14 | Kyocera Corp | 弾性表面波フィルタ |
JP2003332884A (ja) * | 2002-05-09 | 2003-11-21 | Nrs Technology Kk | 弾性表面波デバイス |
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NL178928C (nl) * | 1976-02-04 | 1986-06-02 | Nederlanden Staat | Verbetering van een piezo-elektrisch filter met een zeer smalle doorlaatband. |
JP3290165B2 (ja) | 1999-11-17 | 2002-06-10 | 東洋通信機株式会社 | ラダー型弾性表面波フィルタ |
JP3454239B2 (ja) * | 2000-08-31 | 2003-10-06 | 株式会社村田製作所 | 弾性表面波フィルタ |
KR100541895B1 (ko) * | 2001-09-21 | 2006-01-16 | 가부시끼가이샤 도시바 | 고주파 필터 |
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JP4056798B2 (ja) | 2002-06-06 | 2008-03-05 | 沖電気工業株式会社 | 弾性表面波フィルタ |
DE10246791B4 (de) | 2002-10-08 | 2017-10-19 | Snaptrack, Inc. | Mit akustischen Volumenwellen arbeitender Resonator und Schaltung mit dem Resonator |
JP3963824B2 (ja) * | 2002-11-22 | 2007-08-22 | 富士通メディアデバイス株式会社 | フィルタ素子、それを有するフィルタ装置、分波器及び高周波回路 |
KR100570586B1 (ko) * | 2002-12-17 | 2006-04-13 | (주)아이블포토닉스 | 강유전성 단결정 막 구조물 제조 방법 |
JP3827232B2 (ja) | 2003-05-13 | 2006-09-27 | Tdk株式会社 | フィルタ装置およびそれを用いた分波器 |
WO2005060094A1 (ja) * | 2003-12-16 | 2005-06-30 | Murata Manufacturing Co., Ltd. | 弾性境界波装置 |
JP2006135921A (ja) | 2004-10-06 | 2006-05-25 | Epson Toyocom Corp | ラダー型フィルタとこれを用いた装置 |
US7378781B2 (en) * | 2005-09-07 | 2008-05-27 | Nokia Corporation | Acoustic wave resonator with integrated temperature control for oscillator purposes |
JP4680727B2 (ja) * | 2005-09-08 | 2011-05-11 | 株式会社日立メディアエレクトロニクス | 共振器型フィルタ |
JP4627269B2 (ja) * | 2006-02-24 | 2011-02-09 | 日本碍子株式会社 | 圧電薄膜デバイスの製造方法 |
-
2007
- 2007-08-23 JP JP2009528926A patent/JP5072047B2/ja active Active
- 2007-08-23 WO PCT/JP2007/066388 patent/WO2009025055A1/ja active Application Filing
- 2007-08-23 CN CN200780100318.5A patent/CN101785184B/zh active Active
-
2010
- 2010-01-08 US US12/684,481 patent/US8125298B2/en active Active
Patent Citations (2)
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JP2000077972A (ja) * | 1998-08-31 | 2000-03-14 | Kyocera Corp | 弾性表面波フィルタ |
JP2003332884A (ja) * | 2002-05-09 | 2003-11-21 | Nrs Technology Kk | 弾性表面波デバイス |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110316649A1 (en) * | 2009-03-04 | 2011-12-29 | Epcos Ag | Reactance Filter Having a Steep Edge |
US9595939B2 (en) | 2009-03-04 | 2017-03-14 | Epcos Ag | Reactance filter having a steep edge |
JP2012519447A (ja) * | 2009-03-04 | 2012-08-23 | エプコス アクチエンゲゼルシャフト | 急峻なエッジを有するリアクタンスフィルタ |
US8847700B2 (en) * | 2010-02-04 | 2014-09-30 | Taiyo Yuden Co., Ltd. | Filter, duplexer, communication module, communication device |
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 |
JPWO2011096245A1 (ja) * | 2010-02-04 | 2013-06-10 | 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 |
US20120293277A1 (en) * | 2010-02-04 | 2012-11-22 | Taiyo Yuden Co., Ltd. | Filter, duplexer, communication module, communication device |
JP2012151697A (ja) * | 2011-01-19 | 2012-08-09 | Taiyo Yuden Co Ltd | 分波器 |
US9467117B2 (en) | 2011-11-30 | 2016-10-11 | Skyworks Filter Solutions Japan Co., Ltd. | Ladder-type elastic wave filter and antenna duplexer using same |
JPWO2013080461A1 (ja) * | 2011-11-30 | 2015-04-27 | スカイワークス・パナソニック フィルターソリューションズ ジャパン株式会社 | ラダー型弾性波フィルタと、これを用いたアンテナ共用器 |
US10044340B2 (en) | 2011-11-30 | 2018-08-07 | Skyworks Filter Solutions Japan Co., Ltd. | Ladder-type elastic wave filter having series and parallel resonators |
JP2017153132A (ja) * | 2011-11-30 | 2017-08-31 | スカイワークスフィルターソリューションズジャパン株式会社 | ラダー型弾性波フィルタと、これを用いたアンテナ共用器 |
WO2013080461A1 (ja) * | 2011-11-30 | 2013-06-06 | パナソニック株式会社 | ラダー型弾性波フィルタと、これを用いたアンテナ共用器 |
JP2014068123A (ja) * | 2012-09-25 | 2014-04-17 | Murata Mfg Co Ltd | ラダー型フィルタ及び分波器 |
JP2016054374A (ja) * | 2014-09-03 | 2016-04-14 | 株式会社村田製作所 | 可変共振回路および可変フィルタ回路 |
JP2016136687A (ja) * | 2015-01-23 | 2016-07-28 | 株式会社村田製作所 | ラダー型フィルタ |
US20160218695A1 (en) * | 2015-01-23 | 2016-07-28 | Murata Manufacturing Co., Ltd. | Ladder filter |
JP2017157905A (ja) * | 2016-02-29 | 2017-09-07 | 京セラ株式会社 | 弾性波フィルタ、分波器および通信装置 |
WO2018016279A1 (ja) * | 2016-07-22 | 2018-01-25 | 株式会社村田製作所 | 高周波フィルタ回路、マルチプレクサ、高周波フロントエンド回路及び通信装置 |
US10819310B2 (en) | 2016-07-22 | 2020-10-27 | Murata Manufacturing Co., Ltd. | Radio-frequency filter circuit, multiplexer, radio-frequency front-end circuit, and communication apparatus |
US11012050B2 (en) | 2017-01-19 | 2021-05-18 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, radio-frequency front-end circuit, and communication apparatus |
US11031920B2 (en) | 2017-01-30 | 2021-06-08 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, radio-frequency front-end circuit, and communication apparatus |
US10763825B2 (en) | 2017-02-07 | 2020-09-01 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, radio-frequency front-end circuit, and communication device |
US10727810B2 (en) | 2017-03-01 | 2020-07-28 | Murata Manufacturing Co., Ltd. | Radio-frequency filter, multiplexer, radio-frequency front-end circuit, and communication device |
US11031921B2 (en) | 2017-04-03 | 2021-06-08 | Murata Manufacturing Co., Ltd. | Acoustic wave filter device, duplexer, radio frequency front end circuit and communication apparatus |
US11611331B2 (en) | 2018-03-28 | 2023-03-21 | Murata Manufacturing Co., Ltd. | Multiplexer, radio-frequency front-end circuit, communication apparatus, and elastic wave filter |
KR20210014080A (ko) | 2019-07-29 | 2021-02-08 | 가부시키가이샤 무라타 세이사쿠쇼 | 필터 회로 및 복합 필터 장치 |
KR102457672B1 (ko) | 2019-07-29 | 2022-10-20 | 가부시키가이샤 무라타 세이사쿠쇼 | 필터 회로 및 복합 필터 장치 |
US11558033B2 (en) | 2019-07-29 | 2023-01-17 | Murata Manufacturing Co., Ltd. | Filter circuit and composite filter device |
JP7491087B2 (ja) | 2019-12-11 | 2024-05-28 | 株式会社村田製作所 | フィルタ装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2009025055A1 (ja) | 2010-11-18 |
US20100110940A1 (en) | 2010-05-06 |
CN101785184B (zh) | 2013-03-06 |
JP5072047B2 (ja) | 2012-11-14 |
CN101785184A (zh) | 2010-07-21 |
US8125298B2 (en) | 2012-02-28 |
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