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WO2008146552A1 - 弾性波分波器 - Google Patents

弾性波分波器 Download PDF

Info

Publication number
WO2008146552A1
WO2008146552A1 PCT/JP2008/057728 JP2008057728W WO2008146552A1 WO 2008146552 A1 WO2008146552 A1 WO 2008146552A1 JP 2008057728 W JP2008057728 W JP 2008057728W WO 2008146552 A1 WO2008146552 A1 WO 2008146552A1
Authority
WO
WIPO (PCT)
Prior art keywords
acoustic wave
balanced
filter
filter chip
wave filter
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.)
Ceased
Application number
PCT/JP2008/057728
Other languages
English (en)
French (fr)
Inventor
Kentaro Funahashi
Ichirou Matsuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to CN2008800166349A priority Critical patent/CN101682312B/zh
Priority to JP2009516222A priority patent/JP4868064B2/ja
Priority to EP08751913A priority patent/EP2131493A4/en
Publication of WO2008146552A1 publication Critical patent/WO2008146552A1/ja
Priority to US12/622,603 priority patent/US7804380B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H03H9/02—Details
    • H03H9/05—Holders or 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
    • H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
    • 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
    • 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
    • H03H9/0023—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
    • H03H9/0076—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 opposite sides 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
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for 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 elements; 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 elements; 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 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
    • H03H9/46—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 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
    • H03H9/0047—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
    • H03H9/0052—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 cascaded
    • H03H9/0057—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 cascaded 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
    • H03H9/0023—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
    • H03H9/0052—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 cascaded
    • H03H9/0061—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 cascaded the balanced terminals being on opposite sides 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
    • H03H9/0023—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
    • H03H9/0085—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 four acoustic 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
    • H03H9/644—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
    • H03H9/6473—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the electrodes being electrically interconnected

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

　受信側弾性波フィルタチップと送信側弾性波フィルタチップとの間のアイソレーション特性が良好な弾性波分波器を提供する。 　基板２上に実装された受信側弾性表面波フィルタチップ４及び送信側弾性表面波フィルタチップ３を備え、基板２が、第１，２のバランス端子７，８と共通端子５とを有しており、送信側弾性表面波フィルタチップ３及び受信側弾性表面波フィルタチップ４の内少なくとも一方が第１の平衡信号端子及び第２の平衡信号端子を入力端子または出力端子として有するバランス型のフィルタ部であり、前記バランス型フィルタ部と前記第１のバランス端子７とを接続している第１の配線１５と、前記バランス型のフィルタ部と前記第２のバランス端子８とを接続している第２の配線１６とをさらに備え、前記第１，２の配線１５，１６が互いの間で絶縁された状態で交差していることを特徴とする、弾性波分波器１。
PCT/JP2008/057728 2007-05-29 2008-04-22 弾性波分波器 Ceased WO2008146552A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008800166349A CN101682312B (zh) 2007-05-29 2008-04-22 弹性波分波器
JP2009516222A JP4868064B2 (ja) 2007-05-29 2008-04-22 弾性波分波器
EP08751913A EP2131493A4 (en) 2007-05-29 2008-04-22 ACOUSTIC WAVE DISCHARGE FILTER
US12/622,603 US7804380B2 (en) 2007-05-29 2009-11-20 Acoustic wave duplexer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-142314 2007-05-29
JP2007142314 2007-05-29

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/622,603 Continuation US7804380B2 (en) 2007-05-29 2009-11-20 Acoustic wave duplexer

Publications (1)

Publication Number Publication Date
WO2008146552A1 true WO2008146552A1 (ja) 2008-12-04

Family

ID=40074822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057728 Ceased WO2008146552A1 (ja) 2007-05-29 2008-04-22 弾性波分波器

Country Status (6)

Country Link
US (1) US7804380B2 (ja)
EP (1) EP2131493A4 (ja)
JP (1) JP4868064B2 (ja)
KR (1) KR101027593B1 (ja)
CN (1) CN101682312B (ja)
WO (1) WO2008146552A1 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010067497A1 (ja) * 2008-12-10 2010-06-17 株式会社村田製作所 高周波モジュール
WO2011087018A1 (ja) * 2010-01-12 2011-07-21 京セラ株式会社 弾性波装置
WO2011092959A1 (ja) * 2010-02-01 2011-08-04 太陽誘電株式会社 デュープレクサ、通信モジュール、通信装置
JP2011151553A (ja) * 2010-01-20 2011-08-04 Murata Mfg Co Ltd 弾性波デュプレクサ
JP2011151552A (ja) * 2010-01-20 2011-08-04 Murata Mfg Co Ltd 弾性波デュプレクサ
KR20140037269A (ko) * 2011-09-01 2014-03-26 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치
WO2014045665A1 (ja) * 2012-09-24 2014-03-27 株式会社村田製作所 フィルタ装置
US10326424B2 (en) 2015-11-27 2019-06-18 Murata Manufacturing Co., Ltd. Filter device
US10715102B2 (en) 2015-12-24 2020-07-14 Murata Manufacturing Co., Ltd. Filter device
WO2022050210A1 (ja) * 2020-09-02 2022-03-10 株式会社村田製作所 弾性波フィルタおよびマルチプレクサ

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128981B1 (en) * 2007-02-02 2014-12-17 Murata Manufacturing Co. Ltd. Elastic wave filter device
JP5168360B2 (ja) * 2010-01-28 2013-03-21 株式会社村田製作所 分波器
WO2012120879A1 (ja) * 2011-03-09 2012-09-13 パナソニック株式会社 弾性波装置
JP5423931B2 (ja) * 2011-10-24 2014-02-19 株式会社村田製作所 弾性波分波器
US20130120082A1 (en) * 2011-11-10 2013-05-16 Qualcomm Incorporated Two-port resonators electrically coupled in parallel
JP5835480B2 (ja) * 2012-06-22 2015-12-24 株式会社村田製作所 弾性波装置
KR101644380B1 (ko) * 2012-08-30 2016-08-01 가부시키가이샤 무라타 세이사쿠쇼 탄성파 필터 장치 및 듀플렉서
JP6472945B2 (ja) * 2013-06-13 2019-02-20 太陽誘電株式会社 弾性波デバイス
WO2015016203A1 (ja) 2013-08-02 2015-02-05 株式会社村田製作所 分波装置
JPWO2016103953A1 (ja) 2014-12-25 2017-08-03 株式会社村田製作所 弾性波装置
WO2018021242A1 (ja) * 2016-07-26 2018-02-01 京セラ株式会社 弾性波デバイスおよび通信装置
JP6669132B2 (ja) * 2017-06-23 2020-03-18 株式会社村田製作所 マルチプレクサ、送信装置および受信装置
CN111448758B (zh) * 2017-12-06 2023-09-08 株式会社村田制作所 多工器、高频前端电路以及通信装置

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JP2003249832A (ja) 2002-02-22 2003-09-05 Murata Mfg Co Ltd Ｅｍｉフィルタ
JP2003249842A (ja) * 2001-12-21 2003-09-05 Fujitsu Media Device Kk 分波器及びこれを用いた電子装置
JP2004282707A (ja) * 2003-02-24 2004-10-07 Murata Mfg Co Ltd 弾性表面波フィルタ、通信機

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KR100609219B1 (ko) * 2001-04-09 2006-08-02 가부시키가이샤 무라타 세이사쿠쇼 탄성표면파 장치 및 통신 장치
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JP4525594B2 (ja) * 2003-07-29 2010-08-18 パナソニック株式会社 弾性表面波デバイス
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JP2003249842A (ja) * 2001-12-21 2003-09-05 Fujitsu Media Device Kk 分波器及びこれを用いた電子装置
JP2003249832A (ja) 2002-02-22 2003-09-05 Murata Mfg Co Ltd Ｅｍｉフィルタ
JP2004282707A (ja) * 2003-02-24 2004-10-07 Murata Mfg Co Ltd 弾性表面波フィルタ、通信機

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See also references of EP2131493A4

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4539788B2 (ja) * 2008-12-10 2010-09-08 株式会社村田製作所 高周波モジュール
DE112009004700B4 (de) * 2008-12-10 2017-03-16 Murata Manufacturing Co., Ltd. Hochfrequenzmodul
WO2010067497A1 (ja) * 2008-12-10 2010-06-17 株式会社村田製作所 高周波モジュール
US8072292B2 (en) 2008-12-10 2011-12-06 Murata Manufacturing Co., Ltd. High-frequency module
JPWO2010067497A1 (ja) * 2008-12-10 2012-05-17 株式会社村田製作所 高周波モジュール
JP5497795B2 (ja) * 2010-01-12 2014-05-21 京セラ株式会社 弾性波装置
WO2011087018A1 (ja) * 2010-01-12 2011-07-21 京セラ株式会社 弾性波装置
US10050600B2 (en) 2010-01-12 2018-08-14 Kyocera Corporation Acoustic wave device
US9397633B2 (en) 2010-01-12 2016-07-19 Kyocera Corporation Acoustic wave device
JP2011151552A (ja) * 2010-01-20 2011-08-04 Murata Mfg Co Ltd 弾性波デュプレクサ
JP2011151553A (ja) * 2010-01-20 2011-08-04 Murata Mfg Co Ltd 弾性波デュプレクサ
US8525615B2 (en) 2010-01-20 2013-09-03 Murata Manufacturing Co., Ltd. Elastic wave duplexer having a sealing member that includes a recess
WO2011092959A1 (ja) * 2010-02-01 2011-08-04 太陽誘電株式会社 デュープレクサ、通信モジュール、通信装置
US8378760B2 (en) 2010-02-01 2013-02-19 Taiyo Yuden Co., Ltd. Duplexer, communication module, and communication device
JP2011160203A (ja) * 2010-02-01 2011-08-18 Taiyo Yuden Co Ltd デュープレクサ、通信モジュール、通信装置
KR101595847B1 (ko) 2011-09-01 2016-02-19 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치
KR20140037269A (ko) * 2011-09-01 2014-03-26 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치
JPWO2014045665A1 (ja) * 2012-09-24 2016-08-18 株式会社村田製作所 フィルタ装置
US9479137B2 (en) 2012-09-24 2016-10-25 Murata Manufacturing Co., Ltd. Filter device and duplexer including compensation circuit
WO2014045665A1 (ja) * 2012-09-24 2014-03-27 株式会社村田製作所 フィルタ装置
US10326424B2 (en) 2015-11-27 2019-06-18 Murata Manufacturing Co., Ltd. Filter device
US10715102B2 (en) 2015-12-24 2020-07-14 Murata Manufacturing Co., Ltd. Filter device
WO2022050210A1 (ja) * 2020-09-02 2022-03-10 株式会社村田製作所 弾性波フィルタおよびマルチプレクサ

Also Published As

Publication number Publication date
KR101027593B1 (ko) 2011-04-06
KR20100007911A (ko) 2010-01-22
CN101682312B (zh) 2013-01-23
EP2131493A1 (en) 2009-12-09
EP2131493A4 (en) 2011-07-20
US20100060372A1 (en) 2010-03-11
JP4868064B2 (ja) 2012-02-01
JPWO2008146552A1 (ja) 2010-08-19
CN101682312A (zh) 2010-03-24
US7804380B2 (en) 2010-09-28

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