CN103004085A - 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 - Google Patents
梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 Download PDFInfo
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- CN103004085A CN103004085A CN2012800020428A CN201280002042A CN103004085A CN 103004085 A CN103004085 A CN 103004085A CN 2012800020428 A CN2012800020428 A CN 2012800020428A CN 201280002042 A CN201280002042 A CN 201280002042A CN 103004085 A CN103004085 A CN 103004085A
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- series resonator
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- ladder
- 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 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
- H03H9/02—Details
- H03H9/0222—Details of interface-acoustic, boundary, pseudo-acoustic or Stonely wave 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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/25—Constructional features of resonators 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510007289.4A CN104702239B (zh) | 2011-06-23 | 2012-06-21 | 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011139080 | 2011-06-23 | ||
JP2011-139080 | 2011-06-23 | ||
PCT/JP2012/004030 WO2012176455A1 (ja) | 2011-06-23 | 2012-06-21 | ラダー型弾性波フィルタ及びこれを用いたアンテナ共用器 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510007289.4A Division CN104702239B (zh) | 2011-06-23 | 2012-06-21 | 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103004085A true CN103004085A (zh) | 2013-03-27 |
CN103004085B CN103004085B (zh) | 2015-04-15 |
Family
ID=47422311
Family Applications (2)
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CN201280002042.8A Active CN103004085B (zh) | 2011-06-23 | 2012-06-21 | 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 |
CN201510007289.4A Active CN104702239B (zh) | 2011-06-23 | 2012-06-21 | 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510007289.4A Active CN104702239B (zh) | 2011-06-23 | 2012-06-21 | 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 |
Country Status (5)
Country | Link |
---|---|
US (2) | US9203376B2 (zh) |
JP (1) | JP5182459B2 (zh) |
CN (2) | CN103004085B (zh) |
HK (1) | HK1207482A1 (zh) |
WO (1) | WO2012176455A1 (zh) |
Cited By (7)
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CN109155622A (zh) * | 2016-05-13 | 2019-01-04 | 株式会社村田制作所 | 弹性波装置、高频前端电路以及通信装置 |
CN109863695A (zh) * | 2016-10-28 | 2019-06-07 | 株式会社村田制作所 | 梯型滤波器、双工器以及弹性波滤波器装置 |
CN109981073A (zh) * | 2017-12-12 | 2019-07-05 | 株式会社村田制作所 | 多工器、高频前端电路以及通信装置 |
CN110313130A (zh) * | 2017-02-22 | 2019-10-08 | 株式会社村田制作所 | 声表面波元件 |
CN110798166A (zh) * | 2019-10-11 | 2020-02-14 | 天津大学 | 一种滤波电路及提高滤波电路性能的方法和信号处理设备 |
CN111384922A (zh) * | 2020-04-09 | 2020-07-07 | 中国电子科技集团公司第二十六研究所 | 一种小型化梯型晶体滤波器 |
CN113228509A (zh) * | 2018-12-25 | 2021-08-06 | 株式会社村田制作所 | 滤波器装置 |
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JPWO2010146826A1 (ja) * | 2009-06-18 | 2012-11-29 | パナソニック株式会社 | ラダー型弾性波フィルタ及びこれを用いたデュプレクサ |
WO2012176455A1 (ja) * | 2011-06-23 | 2012-12-27 | パナソニック株式会社 | ラダー型弾性波フィルタ及びこれを用いたアンテナ共用器 |
DE102013100286B3 (de) * | 2013-01-11 | 2014-06-05 | Epcos Ag | Breitbandiges Filter in Abzweigtechnik |
WO2016017129A1 (en) * | 2014-07-28 | 2016-02-04 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Acoustic wave elements, antenna duplexers, modules and electronic devices using the same |
US9634644B2 (en) | 2014-07-28 | 2017-04-25 | Skyworks Filter Solutions Japan Co., Ltd. | Acoustic wave elements and antenna duplexers, and modules and electronic devices using same |
US9641151B2 (en) * | 2014-07-31 | 2017-05-02 | Skyworks Filter Solutions Japan Co., Ltd. | Elastic wave filters and duplexers using same |
KR20170034389A (ko) * | 2014-07-31 | 2017-03-28 | 스카이워크스 필터 솔루션즈 재팬 씨오., 엘티디. | 탄성파 필터 및 이것을 이용한 듀플렉서 |
KR101989470B1 (ko) * | 2015-07-06 | 2019-06-14 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
WO2017038679A1 (ja) * | 2015-08-31 | 2017-03-09 | 京セラ株式会社 | 弾性表面波素子 |
JP6402704B2 (ja) * | 2015-11-19 | 2018-10-10 | 株式会社村田製作所 | 弾性波装置、デュプレクサ及びマルチプレクサ |
US10187039B2 (en) * | 2016-06-07 | 2019-01-22 | Skyworks Filter Solutions Japan Co., Ltd. | Filter devices having reduced spurious emissions from lamb waves |
CN115149924A (zh) * | 2016-06-27 | 2022-10-04 | 株式会社村田制作所 | 滤波器装置 |
CN109661777B (zh) * | 2016-09-02 | 2023-05-16 | 株式会社村田制作所 | 弹性波滤波器装置、高频前端电路以及通信装置 |
JP6788024B2 (ja) * | 2016-10-11 | 2020-11-18 | 京セラ株式会社 | 弾性波装置 |
GB2600838A (en) | 2016-10-20 | 2022-05-11 | Skyworks Solutions Inc | Elastic wave device with sub-wavelength thick piezoelectric layer |
WO2018097201A1 (ja) * | 2016-11-25 | 2018-05-31 | 株式会社村田製作所 | 弾性波フィルタ装置 |
WO2018142794A1 (ja) * | 2017-02-06 | 2018-08-09 | 株式会社村田製作所 | 弾性波装置、デュプレクサ及びフィルタ装置 |
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JP6882929B2 (ja) * | 2017-05-01 | 2021-06-02 | 太陽誘電株式会社 | 弾性波共振器、フィルタおよびマルチプレクサ |
JP6949607B2 (ja) * | 2017-07-31 | 2021-10-13 | 太陽誘電株式会社 | 弾性波デバイス |
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US10992284B2 (en) * | 2018-06-15 | 2021-04-27 | Resonant Inc. | Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020145361A1 (en) * | 2001-04-09 | 2002-10-10 | Osamu Shibata | Surface acoustic wave apparatus and communication unit |
CN1518216A (zh) * | 2003-01-24 | 2004-08-04 | 株式会社村田制作所 | 弹性表面波装置、通信装置 |
CN101356730A (zh) * | 2006-02-13 | 2009-01-28 | 株式会社村田制作所 | Saw滤波器装置 |
WO2010146826A1 (ja) * | 2009-06-18 | 2010-12-23 | パナソニック株式会社 | ラダー型弾性波フィルタ及びこれを用いたデュプレクサ |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5632909A (en) * | 1995-06-19 | 1997-05-27 | Motorola, Inc. | Filter |
JP4063414B2 (ja) * | 1998-08-25 | 2008-03-19 | 沖電気工業株式会社 | 弾性表面波フィルタ |
US6201457B1 (en) * | 1998-11-18 | 2001-03-13 | Cts Corporation | Notch filter incorporating saw devices and a delay line |
JP2000196409A (ja) * | 1998-12-28 | 2000-07-14 | Kyocera Corp | 弾性表面波フィルタ |
US6570470B2 (en) * | 2000-06-30 | 2003-05-27 | Kyocera Corporation | Surface acoustic wave ladder filter utilizing parallel resonators with different resonant frequencies |
JP2002232264A (ja) * | 2000-11-30 | 2002-08-16 | Kyocera Corp | 弾性表面波フィルタ |
JP3414384B2 (ja) * | 2001-01-12 | 2003-06-09 | 株式会社村田製作所 | 弾性表面波フィルタ、およびそれを用いた通信機装置 |
JP4056762B2 (ja) * | 2002-02-25 | 2008-03-05 | 富士通メディアデバイス株式会社 | 弾性表面波装置 |
JP2004007094A (ja) * | 2002-05-30 | 2004-01-08 | Kyocera Corp | 弾性表面波装置 |
JP3896907B2 (ja) * | 2002-06-19 | 2007-03-22 | 株式会社村田製作所 | 弾性表面波フィルタ、分波器、通信機 |
JP3844725B2 (ja) * | 2002-09-30 | 2006-11-15 | 富士通メディアデバイス株式会社 | 弾性表面波フィルタ、それを有する弾性表面波分波器 |
US7538636B2 (en) * | 2002-12-25 | 2009-05-26 | Panasonic Corporation | Electronic part with a comb electrode and protective film and electronic equipment including same |
JP2005045475A (ja) * | 2003-07-28 | 2005-02-17 | Murata Mfg Co Ltd | 弾性表面波装置、通信機 |
EP1713179A4 (en) * | 2004-02-06 | 2009-03-25 | Panasonic Corp | SURFACE ACOUSTIC WAVE FILTERS AND A COMMON ANTENNA UNIT USING THE SAME |
WO2005088835A1 (ja) * | 2004-03-12 | 2005-09-22 | Murata Manufacturing Co., Ltd. | 分波器及び弾性表面波フィルタ |
DE102004037819B4 (de) * | 2004-08-04 | 2021-12-16 | Snaptrack, Inc. | Elektroakustisches Bauelement mit geringen Verlusten |
CN1825759B (zh) * | 2005-02-24 | 2011-11-16 | 京瓷株式会社 | 声表面波元件、分波器和通信设备 |
EP1854211A1 (en) * | 2005-02-28 | 2007-11-14 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric filter, and duplexer and communications apparatus using the same |
DE102005045372B4 (de) * | 2005-09-22 | 2021-08-19 | Snaptrack, Inc. | Bauelement mit mindestens einem mit akustischen Wellen arbeitenden Filter |
JP2008074212A (ja) * | 2006-09-20 | 2008-04-03 | Nippon Plast Co Ltd | 自動車のフェンダープロテクタ |
JP4917396B2 (ja) * | 2006-09-25 | 2012-04-18 | 太陽誘電株式会社 | フィルタおよび分波器 |
JP4968900B2 (ja) * | 2006-10-17 | 2012-07-04 | 太陽誘電株式会社 | ラダー型フィルタの製造方法 |
JP2008131128A (ja) * | 2006-11-17 | 2008-06-05 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタ、アンテナ共用器、およびそれらの製造方法 |
WO2009119007A1 (ja) * | 2008-03-27 | 2009-10-01 | 株式会社村田製作所 | 弾性波フィルタ装置 |
CN102077465B (zh) * | 2008-06-30 | 2013-06-12 | 株式会社村田制作所 | 带阻滤波器 |
CN104734662B (zh) * | 2009-04-22 | 2017-09-22 | 天工滤波方案日本有限公司 | 弹性波元件和使用它的电子设备 |
JP5338914B2 (ja) | 2009-11-02 | 2013-11-13 | パナソニック株式会社 | 弾性波素子と、これを用いたデュプレクサおよび電子機器 |
WO2012176455A1 (ja) * | 2011-06-23 | 2012-12-27 | パナソニック株式会社 | ラダー型弾性波フィルタ及びこれを用いたアンテナ共用器 |
-
2012
- 2012-06-21 WO PCT/JP2012/004030 patent/WO2012176455A1/ja active Application Filing
- 2012-06-21 CN CN201280002042.8A patent/CN103004085B/zh active Active
- 2012-06-21 JP JP2012550227A patent/JP5182459B2/ja active Active
- 2012-06-21 CN CN201510007289.4A patent/CN104702239B/zh active Active
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2013
- 2013-02-22 US US13/774,811 patent/US9203376B2/en active Active
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2015
- 2015-08-18 HK HK15107942.7A patent/HK1207482A1/zh unknown
- 2015-10-26 US US14/922,343 patent/US9819329B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020145361A1 (en) * | 2001-04-09 | 2002-10-10 | Osamu Shibata | Surface acoustic wave apparatus and communication unit |
CN1518216A (zh) * | 2003-01-24 | 2004-08-04 | 株式会社村田制作所 | 弹性表面波装置、通信装置 |
CN101356730A (zh) * | 2006-02-13 | 2009-01-28 | 株式会社村田制作所 | Saw滤波器装置 |
WO2010146826A1 (ja) * | 2009-06-18 | 2010-12-23 | パナソニック株式会社 | ラダー型弾性波フィルタ及びこれを用いたデュプレクサ |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109155622B (zh) * | 2016-05-13 | 2022-07-12 | 株式会社村田制作所 | 弹性波装置、高频前端电路以及通信装置 |
CN109155622A (zh) * | 2016-05-13 | 2019-01-04 | 株式会社村田制作所 | 弹性波装置、高频前端电路以及通信装置 |
CN109863695A (zh) * | 2016-10-28 | 2019-06-07 | 株式会社村田制作所 | 梯型滤波器、双工器以及弹性波滤波器装置 |
CN109863695B (zh) * | 2016-10-28 | 2024-03-12 | 株式会社村田制作所 | 梯型滤波器、双工器以及弹性波滤波器装置 |
CN110313130A (zh) * | 2017-02-22 | 2019-10-08 | 株式会社村田制作所 | 声表面波元件 |
CN110313130B (zh) * | 2017-02-22 | 2023-02-28 | 株式会社村田制作所 | 声表面波元件 |
CN109981073B (zh) * | 2017-12-12 | 2023-11-07 | 株式会社村田制作所 | 多工器、高频前端电路以及通信装置 |
CN109981073A (zh) * | 2017-12-12 | 2019-07-05 | 株式会社村田制作所 | 多工器、高频前端电路以及通信装置 |
CN113228509A (zh) * | 2018-12-25 | 2021-08-06 | 株式会社村田制作所 | 滤波器装置 |
US11831301B2 (en) | 2018-12-25 | 2023-11-28 | Murata Manufacturing Co., Ltd. | Filter device |
CN113228509B (zh) * | 2018-12-25 | 2024-04-16 | 株式会社村田制作所 | 滤波器装置 |
CN110798166A (zh) * | 2019-10-11 | 2020-02-14 | 天津大学 | 一种滤波电路及提高滤波电路性能的方法和信号处理设备 |
CN111384922A (zh) * | 2020-04-09 | 2020-07-07 | 中国电子科技集团公司第二十六研究所 | 一种小型化梯型晶体滤波器 |
Also Published As
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US20130162368A1 (en) | 2013-06-27 |
US9203376B2 (en) | 2015-12-01 |
JPWO2012176455A1 (ja) | 2015-02-23 |
WO2012176455A1 (ja) | 2012-12-27 |
CN103004085B (zh) | 2015-04-15 |
CN104702239A (zh) | 2015-06-10 |
US20160056793A1 (en) | 2016-02-25 |
CN104702239B (zh) | 2017-09-22 |
HK1207482A1 (zh) | 2016-01-29 |
JP5182459B2 (ja) | 2013-04-17 |
US9819329B2 (en) | 2017-11-14 |
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