WO2008096514A1 - 弾性波フィルタ装置 - Google Patents
弾性波フィルタ装置 Download PDFInfo
- Publication number
- WO2008096514A1 WO2008096514A1 PCT/JP2007/074920 JP2007074920W WO2008096514A1 WO 2008096514 A1 WO2008096514 A1 WO 2008096514A1 JP 2007074920 W JP2007074920 W JP 2007074920W WO 2008096514 A1 WO2008096514 A1 WO 2008096514A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- elastic wave
- wave filter
- balancing
- filter unit
- terminal
- 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
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0085—Balance-unbalance or balance-balance networks using surface acoustic wave devices having four acoustic tracks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2250/00—Indexing scheme relating to dual- or multi-band 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
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
- H03H9/0066—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel
- H03H9/0071—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel the balanced terminals being on the same side of the tracks
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
1つの圧電基板上に第1,第2の弾性波フィルタ部が構成され、第1,第2の弾性波フィルタ部の第1,第2の平衡端子が共通化されている構造において、平衡度の改善及び挿入損失の低減を図ることを可能とする弾性波フィルタ装置を提供する。第1の弾性波フィルタ部の第1の平衡入出力端と第2の弾性波フィルタ部の第1の平衡入出力端とが共通化されて第1の平衡端子に接続され、第1,第2の弾性波フィルタ部の第2の平衡入出力端が共通化されて第2の平衡端子に接続され、第1の弾性波フィルタ部の第1,第2の平衡出力端が、それぞれ、第1,第3の配線により第1,第3の弾性波共振子に接続され、第1,第3の弾性波共振子を介して第1,第2の平衡端子に接続され、第2の弾性波フィルタ部の第1, 第2の平衡出力端が、第2,第4の配線により、第2,第4の弾性波共振子を介して、それぞれ、第1,第2の平衡端子に接続され、第2の配線と第2の配線とが圧電基板上において交差している、弾性波フィルタ装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07860149.9A EP2128981B1 (en) | 2007-02-02 | 2007-12-26 | Elastic wave filter device |
JP2008557015A JP4702454B2 (ja) | 2007-02-02 | 2007-12-26 | 弾性波フィルタ装置 |
US12/505,604 US7868716B2 (en) | 2007-02-02 | 2009-07-20 | Acoustic wave filter apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007023886 | 2007-02-02 | ||
JP2007-023886 | 2007-02-02 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/505,604 Continuation US7868716B2 (en) | 2007-02-02 | 2009-07-20 | Acoustic wave filter apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008096514A1 true WO2008096514A1 (ja) | 2008-08-14 |
Family
ID=39681429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/074920 WO2008096514A1 (ja) | 2007-02-02 | 2007-12-26 | 弾性波フィルタ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7868716B2 (ja) |
EP (1) | EP2128981B1 (ja) |
JP (1) | JP4702454B2 (ja) |
WO (1) | WO2008096514A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012063446A1 (ja) * | 2010-11-09 | 2012-05-18 | パナソニック株式会社 | 弾性波装置 |
US8222969B2 (en) | 2008-09-18 | 2012-07-17 | Murata Manufacturing Co., Ltd. | Duplexer module |
WO2012117864A1 (ja) * | 2011-02-28 | 2012-09-07 | 京セラ株式会社 | 弾性波フィルタ |
WO2012120879A1 (ja) * | 2011-03-09 | 2012-09-13 | パナソニック株式会社 | 弾性波装置 |
WO2014199674A1 (ja) * | 2013-06-13 | 2014-12-18 | 株式会社村田製作所 | フィルタ装置及びデュプレクサ |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011087282A (ja) * | 2009-09-15 | 2011-04-28 | Murata Mfg Co Ltd | 弾性境界波フィルタ及びそれを備える分波器 |
DE102010021164B4 (de) * | 2010-05-21 | 2019-02-21 | Snaptrack, Inc. | Balanced/Unbalanced arbeitendes SAW Filter |
KR101592804B1 (ko) | 2012-02-06 | 2016-02-05 | 다이요 유덴 가부시키가이샤 | 필터 회로 및 모듈 |
WO2020080018A1 (ja) * | 2018-10-16 | 2020-04-23 | 株式会社村田製作所 | 高周波モジュール |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002208832A (ja) | 2001-01-10 | 2002-07-26 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP2004282707A (ja) * | 2003-02-24 | 2004-10-07 | Murata Mfg Co Ltd | 弾性表面波フィルタ、通信機 |
WO2006003787A1 (ja) | 2004-06-30 | 2006-01-12 | Murata Manufacturing Co., Ltd. | バランス型弾性波フィルタ及び弾性波フィルタ装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10316719B4 (de) * | 2003-04-11 | 2018-08-02 | Snaptrack, Inc. | Frontendschaltung für drahtlose Übertragungssysteme |
KR101027593B1 (ko) * | 2007-05-29 | 2011-04-06 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 분파기 |
-
2007
- 2007-12-26 WO PCT/JP2007/074920 patent/WO2008096514A1/ja active Application Filing
- 2007-12-26 EP EP07860149.9A patent/EP2128981B1/en active Active
- 2007-12-26 JP JP2008557015A patent/JP4702454B2/ja active Active
-
2009
- 2009-07-20 US US12/505,604 patent/US7868716B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002208832A (ja) | 2001-01-10 | 2002-07-26 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP2004282707A (ja) * | 2003-02-24 | 2004-10-07 | Murata Mfg Co Ltd | 弾性表面波フィルタ、通信機 |
WO2006003787A1 (ja) | 2004-06-30 | 2006-01-12 | Murata Manufacturing Co., Ltd. | バランス型弾性波フィルタ及び弾性波フィルタ装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2128981A4 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8222969B2 (en) | 2008-09-18 | 2012-07-17 | Murata Manufacturing Co., Ltd. | Duplexer module |
US9722574B2 (en) | 2010-11-09 | 2017-08-01 | Skyworks Filter Solutions Japan Co., Ltd. | Acoustic wave device |
WO2012063446A1 (ja) * | 2010-11-09 | 2012-05-18 | パナソニック株式会社 | 弾性波装置 |
JP5488714B2 (ja) * | 2010-11-09 | 2014-05-14 | パナソニック株式会社 | 弾性波装置 |
US9154114B2 (en) | 2010-11-09 | 2015-10-06 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Acoustic wave device |
US9048816B2 (en) | 2011-02-28 | 2015-06-02 | Kyocera Corporation | Acoustic wave filter |
WO2012117864A1 (ja) * | 2011-02-28 | 2012-09-07 | 京セラ株式会社 | 弾性波フィルタ |
JP5855639B2 (ja) * | 2011-02-28 | 2016-02-09 | 京セラ株式会社 | 弾性波フィルタ |
JPWO2012117864A1 (ja) * | 2011-02-28 | 2014-07-07 | 京セラ株式会社 | 弾性波フィルタ |
CN103053112A (zh) * | 2011-03-09 | 2013-04-17 | 松下电器产业株式会社 | 弹性波装置 |
US9172350B2 (en) | 2011-03-09 | 2015-10-27 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Elastic wave apparatus |
JP5476617B2 (ja) * | 2011-03-09 | 2014-04-23 | パナソニック株式会社 | 弾性波装置 |
WO2012120879A1 (ja) * | 2011-03-09 | 2012-09-13 | パナソニック株式会社 | 弾性波装置 |
WO2014199674A1 (ja) * | 2013-06-13 | 2014-12-18 | 株式会社村田製作所 | フィルタ装置及びデュプレクサ |
JPWO2014199674A1 (ja) * | 2013-06-13 | 2017-02-23 | 株式会社村田製作所 | フィルタ装置及びデュプレクサ |
US9912318B2 (en) | 2013-06-13 | 2018-03-06 | Murata Manufacturing Co., Ltd. | Filter device and duplexer |
Also Published As
Publication number | Publication date |
---|---|
US20090273409A1 (en) | 2009-11-05 |
EP2128981B1 (en) | 2014-12-17 |
JPWO2008096514A1 (ja) | 2010-05-20 |
EP2128981A4 (en) | 2013-06-05 |
EP2128981A1 (en) | 2009-12-02 |
JP4702454B2 (ja) | 2011-06-15 |
US7868716B2 (en) | 2011-01-11 |
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