DE69714178T2 - Filteranordnung mit elastischen Oberflächenwellen - Google Patents
Filteranordnung mit elastischen OberflächenwellenInfo
- Publication number
- DE69714178T2 DE69714178T2 DE69714178T DE69714178T DE69714178T2 DE 69714178 T2 DE69714178 T2 DE 69714178T2 DE 69714178 T DE69714178 T DE 69714178T DE 69714178 T DE69714178 T DE 69714178T DE 69714178 T2 DE69714178 T2 DE 69714178T2
- Authority
- DE
- Germany
- Prior art keywords
- filter arrangement
- surface waves
- elastic surface
- elastic
- waves
- 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.)
- Expired - Lifetime
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
- H03H9/30—Time-delay networks
- H03H9/42—Time-delay networks 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
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26839796A JP3186604B2 (ja) | 1996-10-09 | 1996-10-09 | 弾性表面波フィルタ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69714178D1 DE69714178D1 (de) | 2002-08-29 |
DE69714178T2 true DE69714178T2 (de) | 2002-11-14 |
Family
ID=17457915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69714178T Expired - Lifetime DE69714178T2 (de) | 1996-10-09 | 1997-10-08 | Filteranordnung mit elastischen Oberflächenwellen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5994980A (de) |
EP (1) | EP0836278B1 (de) |
JP (1) | JP3186604B2 (de) |
KR (1) | KR100275260B1 (de) |
DE (1) | DE69714178T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009032093A1 (de) * | 2009-07-07 | 2011-01-13 | Epcos Ag | Diplexerschaltung mit Balun-Funktionalität |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7116907B1 (en) * | 1998-02-20 | 2006-10-03 | Fujitsu Limited | Acousto-optical tunable filters cascaded together |
DE69936479T2 (de) * | 1998-03-06 | 2008-03-20 | Kabushiki Kaisha Toshiba, Kawasaki | Akustische Oberflächenwellenanordnung und Kommunikationsgerät |
US6388545B1 (en) | 1998-05-29 | 2002-05-14 | Fujitsu Limited | Surface-acoustic-wave filter having an improved suppression outside a pass-band |
JP3607833B2 (ja) | 1999-05-28 | 2005-01-05 | 沖電気工業株式会社 | 差動弾性表面波フィルタ |
KR20010072241A (ko) * | 1999-06-03 | 2001-07-31 | 모리시타 요이찌 | 탄성 표면파 필터 |
DE19938748B4 (de) * | 1999-08-16 | 2007-02-01 | Epcos Ag | Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung |
TW498614B (en) | 1999-12-09 | 2002-08-11 | Matsushita Electric Ind Co Ltd | Elastic surface wave device and communications equipment using the elastic surface wave device |
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 |
JP2001267885A (ja) * | 2000-03-17 | 2001-09-28 | Fujitsu Media Device Kk | 弾性表面波装置 |
DE10013861A1 (de) * | 2000-03-21 | 2001-09-27 | Epcos Ag | Dualmode-Oberflächenwellenfilter mit verbesserter Symmetrie und erhöhter Sperrdämpfung |
DE10026074B4 (de) * | 2000-05-25 | 2010-02-18 | Epcos Ag | Rekursives OFW-Filter mit geringer Chiplänge |
US6772961B2 (en) * | 2000-06-16 | 2004-08-10 | Ati Properties, Inc. | Methods and apparatus for spray forming, atomization and heat transfer |
JP3729081B2 (ja) * | 2000-06-27 | 2005-12-21 | 株式会社村田製作所 | 弾性表面波装置 |
JP3687566B2 (ja) * | 2000-07-25 | 2005-08-24 | 株式会社村田製作所 | 縦結合共振子型弾性表面波フィルタ |
JP3478260B2 (ja) | 2000-10-27 | 2003-12-15 | 株式会社村田製作所 | 弾性表面波フィルタおよび通信機装置 |
JP4532825B2 (ja) * | 2000-11-01 | 2010-08-25 | 日立金属株式会社 | 高周波スイッチモジュール |
JP3480445B2 (ja) * | 2001-01-10 | 2003-12-22 | 株式会社村田製作所 | 弾性表面波装置 |
JP3780408B2 (ja) * | 2001-01-26 | 2006-05-31 | 株式会社村田製作所 | 弾性表面波フィルタ装置 |
JP3509764B2 (ja) * | 2001-03-23 | 2004-03-22 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
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 |
JP3758157B2 (ja) * | 2001-04-04 | 2006-03-22 | 日立金属株式会社 | Rf段モジュール |
CN1229916C (zh) | 2001-04-09 | 2005-11-30 | 株式会社村田制作所 | 弹性表面波装置、通信装置 |
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 |
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 |
JP3820954B2 (ja) * | 2001-10-12 | 2006-09-13 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
JP3743341B2 (ja) * | 2001-10-17 | 2006-02-08 | 株式会社村田製作所 | 弾性表面波装置 |
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 |
JP3922163B2 (ja) * | 2001-12-25 | 2007-05-30 | 株式会社村田製作所 | 弾性表面波装置 |
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 |
JP3826877B2 (ja) * | 2002-01-22 | 2006-09-27 | 株式会社村田製作所 | 弾性表面波装置およびそれを有する通信装置 |
CN1292534C (zh) * | 2002-03-06 | 2006-12-27 | 松下电器产业株式会社 | 表面声波滤波器、平衡型电路以及通信设备 |
CN100488045C (zh) * | 2002-04-15 | 2009-05-13 | 松下电器产业株式会社 | 高频器件和通信设备 |
DE10234685A1 (de) * | 2002-07-30 | 2004-02-19 | Infineon Technologies Ag | Filterschaltung |
JP2004166213A (ja) * | 2002-09-20 | 2004-06-10 | Murata Mfg Co Ltd | 弾性表面波装置、通信装置 |
JP3985717B2 (ja) | 2003-04-10 | 2007-10-03 | 株式会社村田製作所 | 弾性表面波装置およびそれを用いた通信装置 |
JP4100249B2 (ja) | 2003-05-19 | 2008-06-11 | 株式会社村田製作所 | 弾性表面波装置、通信機 |
JP3993579B2 (ja) * | 2004-04-28 | 2007-10-17 | 富士通メディアデバイス株式会社 | バランス出力型フィルタ |
WO2006013753A1 (ja) * | 2004-08-06 | 2006-02-09 | Murata Manufacturing Co., Ltd. | 高周波複合部品 |
JP4069917B2 (ja) | 2004-09-15 | 2008-04-02 | 株式会社村田製作所 | バランス型弾性表面波フィルタ |
CN100512000C (zh) | 2004-11-04 | 2009-07-08 | 株式会社村田制作所 | 平衡型saw滤波器 |
ATE403270T1 (de) | 2004-11-04 | 2008-08-15 | Murata Mfg Co Ltd Patent Secti | Symmetrie-saw-filter |
KR100840872B1 (ko) * | 2005-02-16 | 2008-06-23 | 가부시키가이샤 무라타 세이사쿠쇼 | 밸런스형 탄성파 필터 장치 |
JP2007104052A (ja) | 2005-09-30 | 2007-04-19 | Nippon Dempa Kogyo Co Ltd | 弾性表面波フィルタ |
JP5350720B2 (ja) * | 2008-09-02 | 2013-11-27 | 太陽誘電株式会社 | 弾性波デバイス、及び弾性波装置 |
JP6176324B2 (ja) * | 2013-06-13 | 2017-08-09 | 株式会社村田製作所 | フィルタ装置及びデュプレクサ |
JP6668213B2 (ja) * | 2015-10-01 | 2020-03-18 | 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 | 分波器と通信機器 |
KR102014760B1 (ko) * | 2016-08-31 | 2019-10-22 | 주식회사 파인로보틱스 | 진공청소부 분리형 복합 청소기 |
US10404234B2 (en) | 2016-09-02 | 2019-09-03 | Skyworks Filter Solutions Japan Co., Ltd. | Filter device with phase compensation, and electronic devices including same |
JP2018088678A (ja) | 2016-11-29 | 2018-06-07 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | 位相をキャンセルするループ回路を含むフィルタ |
SG10201906665WA (en) | 2018-07-18 | 2020-02-27 | Skyworks Solutions Inc | Fbar filter with integrated cancelation circuit |
US11626855B2 (en) | 2019-11-08 | 2023-04-11 | Skyworks Solutions, Inc. | Out-of-band rejection using SAW-based integrated balun |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2682833B1 (fr) * | 1991-10-18 | 1993-12-03 | Thomson Csf | Filtre a ondes de surface et a trajet acoustique replie. |
JP3254779B2 (ja) * | 1993-01-05 | 2002-02-12 | 株式会社村田製作所 | 多電極形弾性表面波装置 |
DE69424737T2 (de) * | 1993-10-08 | 2000-09-28 | Matsushita Electric Ind Co Ltd | Akustisches Oberflächenwellenfilter |
US5365138A (en) * | 1993-12-02 | 1994-11-15 | Northern Telecom Limited | Double mode surface wave resonators |
US5835990A (en) * | 1995-06-16 | 1998-11-10 | Northern Telecom Limited | Longitudinally coupled double mode surface wave resonators |
-
1996
- 1996-10-09 JP JP26839796A patent/JP3186604B2/ja not_active Expired - Lifetime
-
1997
- 1997-10-07 US US08/946,265 patent/US5994980A/en not_active Expired - Lifetime
- 1997-10-08 DE DE69714178T patent/DE69714178T2/de not_active Expired - Lifetime
- 1997-10-08 EP EP97117419A patent/EP0836278B1/de not_active Expired - Lifetime
- 1997-10-09 KR KR1019970051822A patent/KR100275260B1/ko not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009032093A1 (de) * | 2009-07-07 | 2011-01-13 | Epcos Ag | Diplexerschaltung mit Balun-Funktionalität |
DE102009032093B4 (de) * | 2009-07-07 | 2016-07-21 | Epcos Ag | Diplexerschaltung mit Balun-Funktionalität |
DE102009032093B9 (de) * | 2009-07-07 | 2017-03-02 | Epcos Ag | Diplexerschaltung mit Balun-Funktionalität |
Also Published As
Publication number | Publication date |
---|---|
US5994980A (en) | 1999-11-30 |
DE69714178D1 (de) | 2002-08-29 |
EP0836278B1 (de) | 2002-07-24 |
KR100275260B1 (ko) | 2000-12-15 |
EP0836278A3 (de) | 2000-02-23 |
JP3186604B2 (ja) | 2001-07-11 |
JPH10117123A (ja) | 1998-05-06 |
KR19980032698A (ko) | 1998-07-25 |
EP0836278A2 (de) | 1998-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |