ATE432555T1 - Elastik-oberflächenwellenfilter des ausgleichstyps - Google Patents

Elastik-oberflächenwellenfilter des ausgleichstyps

Info

Publication number
ATE432555T1
ATE432555T1 AT05793732T AT05793732T ATE432555T1 AT E432555 T1 ATE432555 T1 AT E432555T1 AT 05793732 T AT05793732 T AT 05793732T AT 05793732 T AT05793732 T AT 05793732T AT E432555 T1 ATE432555 T1 AT E432555T1
Authority
AT
Austria
Prior art keywords
idt
wave filter
sub
denotes
determines
Prior art date
Application number
AT05793732T
Other languages
English (en)
Inventor
Yuichi Takamine
Original Assignee
Murata Manufacturing Co
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 filed Critical Murata Manufacturing Co
Application granted granted Critical
Publication of ATE432555T1 publication Critical patent/ATE432555T1/de

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/64Filters using surface acoustic waves
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/0023Balance-unbalance or balance-balance networks
    • H03H9/0028Balance-unbalance or balance-balance networks using surface acoustic wave devices
    • H03H9/0033Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
    • H03H9/0038Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/0023Balance-unbalance or balance-balance networks
    • H03H9/0028Balance-unbalance or balance-balance networks using surface acoustic wave devices
    • H03H9/0047Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
    • H03H9/0052Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded
    • H03H9/0057Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded the balanced terminals being on the same side of the tracks
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/125Driving means, e.g. electrodes, coils
    • H03H9/145Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544Transducers of particular shape or position
    • H03H9/14588Horizontally-split transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT05793732T 2004-10-22 2005-10-12 Elastik-oberflächenwellenfilter des ausgleichstyps ATE432555T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004308483 2004-10-22
PCT/JP2005/018754 WO2006043445A1 (ja) 2004-10-22 2005-10-12 バランス型弾性表面波フィルタ

Publications (1)

Publication Number Publication Date
ATE432555T1 true ATE432555T1 (de) 2009-06-15

Family

ID=36202861

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05793732T ATE432555T1 (de) 2004-10-22 2005-10-12 Elastik-oberflächenwellenfilter des ausgleichstyps

Country Status (8)

Country Link
US (1) US7369015B2 (de)
EP (1) EP1826902B1 (de)
JP (1) JP4556950B2 (de)
KR (1) KR100936896B1 (de)
CN (1) CN101040436B (de)
AT (1) ATE432555T1 (de)
DE (1) DE602005014667D1 (de)
WO (1) WO2006043445A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006048999A1 (ja) * 2004-11-04 2006-05-11 Murata Manufacturing Co., Ltd. バランス型sawフィルタ
JP4412326B2 (ja) * 2004-11-04 2010-02-10 株式会社村田製作所 バランス型sawフィルタ
JP5094074B2 (ja) * 2006-07-27 2012-12-12 京セラ株式会社 弾性表面波素子及び弾性表面波装置
WO2008146524A1 (ja) 2007-05-30 2008-12-04 Murata Manufacturing Co., Ltd. 弾性波フィルタ装置
WO2009013974A1 (ja) * 2007-07-26 2009-01-29 Kyocera Corporation 弾性表面波装置及び通信装置
JP2009260463A (ja) * 2008-04-14 2009-11-05 Murata Mfg Co Ltd 弾性波フィルタ装置
DE102010021164B4 (de) 2010-05-21 2019-02-21 Snaptrack, Inc. Balanced/Unbalanced arbeitendes SAW Filter
JP6940085B1 (ja) * 2020-12-30 2021-09-22 三安ジャパンテクノロジー株式会社 弾性波デバイス

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH06268476A (ja) * 1993-03-11 1994-09-22 Murata Mfg Co Ltd 2段接続型多電極弾性表面波装置
US5835990A (en) * 1995-06-16 1998-11-10 Northern Telecom Limited Longitudinally coupled double mode surface wave resonators
GB2306821B (en) * 1995-11-03 2000-05-31 Advanced Saw Prod Sa Electro-acoustic device
JPH1197966A (ja) * 1997-09-22 1999-04-09 Tdk Corp 弾性表面波フィルタ
JP3266846B2 (ja) * 1998-01-20 2002-03-18 東洋通信機株式会社 反射反転型弾性表面波変換器及びフィルタ
JP2000091883A (ja) * 1998-09-11 2000-03-31 Hitachi Media Electoronics Co Ltd 弾性表面波フィルタ
DE19938748B4 (de) 1999-08-16 2007-02-01 Epcos Ag Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung
JP3520413B2 (ja) 2000-02-14 2004-04-19 株式会社村田製作所 弾性表面波フィルタ装置
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
JP3391346B2 (ja) 2000-04-18 2003-03-31 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
JP2003179462A (ja) 2000-04-18 2003-06-27 Murata Mfg Co Ltd 縦結合共振子型弾性表面波フィルタ
JP2001313540A (ja) 2000-04-28 2001-11-09 Toshiba Corp 弾性表面波装置
TW483238B (en) 2000-06-30 2002-04-11 Fujitsu Media Devices Ltd Surface acoustic wave device
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
JP2003069383A (ja) * 2001-08-29 2003-03-07 Murata Mfg Co Ltd 弾性表面波フィルタ
US20040006615A1 (en) 2002-07-02 2004-01-08 Sun Microsystems, Inc., A Delaware Corporation Method and apparatus for cerating proxy auto-configuration file
JP3952907B2 (ja) * 2002-08-28 2007-08-01 株式会社村田製作所 弾性表面波装置、通信装置
JP3931767B2 (ja) 2002-08-29 2007-06-20 株式会社村田製作所 弾性表面波装置、通信装置
JP3918698B2 (ja) * 2002-09-20 2007-05-23 株式会社村田製作所 弾性表面波装置、通信装置
JP4270207B2 (ja) * 2003-09-25 2009-05-27 株式会社村田製作所 弾性表面波フィルタ及び通信機
JP4412326B2 (ja) * 2004-11-04 2010-02-10 株式会社村田製作所 バランス型sawフィルタ

Also Published As

Publication number Publication date
CN101040436A (zh) 2007-09-19
JP4556950B2 (ja) 2010-10-06
JPWO2006043445A1 (ja) 2008-05-22
US7369015B2 (en) 2008-05-06
EP1826902B1 (de) 2009-05-27
KR20070051367A (ko) 2007-05-17
DE602005014667D1 (de) 2009-07-09
EP1826902A1 (de) 2007-08-29
KR100936896B1 (ko) 2010-01-14
WO2006043445A1 (ja) 2006-04-27
EP1826902A4 (de) 2008-01-23
CN101040436B (zh) 2010-10-20
US20070171003A1 (en) 2007-07-26

Similar Documents

Publication Publication Date Title
ATE432555T1 (de) Elastik-oberflächenwellenfilter des ausgleichstyps
JP5343965B2 (ja) 弾性波フィルタ
JP4631972B2 (ja) 弾性波フィルタ装置
EP1168613A3 (de) Akustisches Oberflächenwellenfilter vom longitudinal gekoppelten Resonatortyp und Kommunikationsgerät mit demselben
EP1717953A3 (de) Akustisches Oberflächenwellenfilter und Duplexer mit demselben
KR960016121A (ko) 표면 음향파 필터
KR20020003077A (ko) 탄성표면파 장치
KR960016120A (ko) 표면 음향파 필터
JP4697354B2 (ja) 弾性波フィルタ及び通信機
WO2009001651A1 (ja) 弾性表面波装置及び通信装置
KR20160043100A (ko) 듀플렉서
US20200212888A1 (en) Filter device and duplexer
WO2009060594A1 (ja) 弾性波共振器、弾性波フィルタおよびこれを用いたアンテナ共用器
EP1049254A3 (de) Oberflächenwellenresonator, Oberflächenwellenverbundfilter und Oberflächenwellenfilter
KR960036293A (ko) 탄성표면파 공진자 필터
WO2007083503A1 (ja) 弾性表面波フィルタ装置
WO2007141049A3 (de) Oszillatorkreis mit akustischen eintor-oberflächenwellenresonatoren
US8198959B2 (en) Acoustic wave filter device
EP1289135A3 (de) Akustische Oberflächenwellenvorrichtung
EP2262109A3 (de) Oberflächenschallwellenvorrichtung
US7479853B2 (en) Balanced type surface acoustic wave filter
WO2008078496A1 (ja) 弾性波装置
JP2014187455A5 (de)
WO2008038502A1 (fr) Filtre d'onde acoustique d'interface
ATE556486T1 (de) Filter mit elastischen wellen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties