FI940014A0 - IIDT-tyyppinen pintaääniaaltolaite - Google Patents

IIDT-tyyppinen pintaääniaaltolaite

Info

Publication number
FI940014A0
FI940014A0 FI940014A FI940014A FI940014A0 FI 940014 A0 FI940014 A0 FI 940014A0 FI 940014 A FI940014 A FI 940014A FI 940014 A FI940014 A FI 940014A FI 940014 A0 FI940014 A0 FI 940014A0
Authority
FI
Finland
Prior art keywords
sound wave
wave device
type surface
surface sound
iidt type
Prior art date
Application number
FI940014A
Other languages
English (en)
Swedish (sv)
Other versions
FI113920B (fi
FI940014A (fi
Inventor
Takaharu Kawakatsu
Yutaka Tada
Hideharu Ieki
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
Publication of FI940014A0 publication Critical patent/FI940014A0/fi
Publication of FI940014A publication Critical patent/FI940014A/fi
Application granted granted Critical
Publication of FI113920B publication Critical patent/FI113920B/fi

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
    • H03H9/46—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 devices; Electromechanical resonators
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
    • H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
    • H03H9/0038—Balance-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
    • 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
    • H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
    • H03H9/0042—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
    • 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
    • H03H9/0052—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded
    • H03H9/0057—Balance-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
    • 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
    • H03H9/0052—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded
    • H03H9/0061—Balance-unbalance or balance-balance networks 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 devices; 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FI940014A 1993-01-05 1994-01-03 IIDT-tyyppinen pinta-akustinen aaltolaite FI113920B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP00035093A JP3254779B2 (ja) 1993-01-05 1993-01-05 多電極形弾性表面波装置
JP35093 1993-01-05

Publications (3)

Publication Number Publication Date
FI940014A0 true FI940014A0 (fi) 1994-01-03
FI940014A FI940014A (fi) 1994-07-06
FI113920B FI113920B (fi) 2004-06-30

Family

ID=11471393

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940014A FI113920B (fi) 1993-01-05 1994-01-03 IIDT-tyyppinen pinta-akustinen aaltolaite

Country Status (4)

Country Link
US (1) US5568002A (fi)
EP (1) EP0605884A1 (fi)
JP (1) JP3254779B2 (fi)
FI (1) FI113920B (fi)

Families Citing this family (69)

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DE69319977T3 (de) * 1992-08-24 2006-06-14 Nihon Dempa Kogyo Co Akustisches Oberflächenwellenresonatorfilter
JP3237387B2 (ja) * 1994-04-12 2001-12-10 株式会社村田製作所 弾性表面波共振子フィルタ
JP3244386B2 (ja) * 1994-08-23 2002-01-07 松下電器産業株式会社 弾性表面波装置
CA2178438C (en) * 1995-06-16 2001-11-20 Ji-Dong Dai Cascaded surface wave device filters
GB2306821B (en) * 1995-11-03 2000-05-31 Advanced Saw Prod Sa Electro-acoustic device
JPH09205342A (ja) * 1996-01-26 1997-08-05 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
EP0800270B1 (en) * 1996-04-02 2003-09-10 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter
JP3239064B2 (ja) * 1996-05-28 2001-12-17 富士通株式会社 弾性表面波装置
US6003370A (en) * 1996-05-30 1999-12-21 Minolta Co., Ltd. Elastic surface wave gyroscope
DE19638370C2 (de) * 1996-09-19 2001-06-13 Epcos Ag Oberflächenwellenfilter für unsymmetrische/symmetrische und symmetrische/symmetrische Betriebsweise
JP3186604B2 (ja) * 1996-10-09 2001-07-11 株式会社村田製作所 弾性表面波フィルタ装置
JP2982864B2 (ja) * 1996-10-14 1999-11-29 日本電気株式会社 弾性表面波装置
US6144288A (en) * 1997-03-28 2000-11-07 Eaton Corporation Remote wireless switch sensing circuit using RF transceiver in combination with a SAW chirp processor
US5896071A (en) * 1997-05-15 1999-04-20 Northern Telecom Limited Surface wave device balun resonator filters
DE19724259C2 (de) * 1997-06-09 2002-11-14 Epcos Ag Dualmode-Oberflächenwellenfilter
DE19724258C2 (de) * 1997-06-09 2002-10-10 Epcos Ag Dualmode-Oberflächenwellenfilter
WO2004102797A1 (ja) * 1997-07-17 2004-11-25 Michiaki Takagi ２ポートsaw共振子
EP0940915B1 (en) * 1998-03-06 2007-07-11 Kabushiki Kaisha Toshiba Surface acoustic wave device and communication apparatus
DE19818038B4 (de) * 1998-04-22 2004-07-22 Epcos Ag Dualmode-Oberflächenwellenfilter
DE19818826B4 (de) * 1998-04-27 2004-11-04 Epcos Ag Oberflächenwellenfilter mit erhöhter Bandbreite
JP2000286675A (ja) * 1999-03-29 2000-10-13 Sanyo Electric Co Ltd 弾性表面波フィルター装置及びこれを具えた携帯電話機
US6255915B1 (en) * 1999-05-10 2001-07-03 Research In Motion Limited Differential surface acoustic wave filter having balanced outputs
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
DE19938748B4 (de) * 1999-08-16 2007-02-01 Epcos Ag Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung
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
DE10007178A1 (de) 2000-02-17 2001-08-23 Epcos Ag Oberflächenwellenfilter mit Reaktanzelementen
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
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
US6825794B2 (en) * 2000-06-02 2004-11-30 Research In Motion Limited Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
US6462698B2 (en) 2000-06-02 2002-10-08 Research In Motion Limited Wireless communication system using surface acoustic wave (SAW) single-phase unidirectional transducer (SPUDT) techniques
JP3391347B2 (ja) 2000-06-26 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
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
JP3440935B2 (ja) * 2000-11-29 2003-08-25 株式会社村田製作所 弾性表面波フィルタ
JP3480445B2 (ja) * 2001-01-10 2003-12-22 株式会社村田製作所 弾性表面波装置
US6828879B2 (en) * 2001-02-16 2004-12-07 Sanyo Electric Co., Ltd. Longitudinal coupled multiple mode surface acoustic wave filter
JP3384403B2 (ja) * 2001-03-01 2003-03-10 株式会社村田製作所 弾性表面波装置、通信装置
JP2002300004A (ja) * 2001-03-29 2002-10-11 Kyocera Corp 弾性表面波フィルタ
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
EP1263137B1 (en) 2001-05-31 2017-07-26 Skyworks Filter Solutions Japan Co., Ltd. Surface acoustic wave filter, balanced type filter and communication device
JP2003069383A (ja) * 2001-08-29 2003-03-07 Murata Mfg Co Ltd 弾性表面波フィルタ
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
TWI315607B (en) * 2001-10-29 2009-10-01 Panasonic Corp Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same
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
JP3846409B2 (ja) * 2002-02-15 2006-11-15 株式会社村田製作所 弾性表面波装置、通信装置
JP3838128B2 (ja) 2002-03-18 2006-10-25 株式会社村田製作所 弾性表面波装置、および、これを搭載した通信装置
EP1372263A3 (en) * 2002-04-15 2009-09-16 Panasonic Corporation High-frequency device and communication apparatus
US6856214B2 (en) * 2002-12-10 2005-02-15 Nortel Networks Limited Surface wave devices with low passband ripple
FR2848745B1 (fr) * 2002-12-17 2005-04-08 Temex Sa Filtre dms a faibles pertes d'insertion et symetrie optimisee
JP4291115B2 (ja) * 2003-11-21 2009-07-08 富士通メディアデバイス株式会社 弾性表面波フィルタ及びそれを用いた無線装置
DE102004020183B4 (de) 2004-04-22 2015-12-03 Epcos Ag Oberflächenwellen-Resonatorfilter mit longitudinal gekoppelten Wandlern
WO2006022143A1 (ja) 2004-08-23 2006-03-02 Murata Manufacturing Co., Ltd. バランス型弾性表面波フィルタ
JP4303178B2 (ja) * 2004-08-31 2009-07-29 富士通メディアデバイス株式会社 弾性表面波装置
DE102004048715B4 (de) 2004-10-06 2014-05-22 Epcos Ag SAW-Filter mit Impedanz-Transformation
DE602005014667D1 (de) 2004-10-22 2009-07-09 Murata Manufacturing Co Elastik-oberflächenwellenfilter des ausgleichstyps
CN1976222B (zh) 2005-11-30 2011-09-21 京瓷株式会社 声表面波元件、声表面波装置以及具有它的通信装置
JP2006101550A (ja) * 2005-12-05 2006-04-13 Fujitsu Media Device Kk 弾性表面波デバイス及びこれを用いた通信装置、並びにアンテナデュプレクサ
WO2007129548A1 (ja) * 2006-05-08 2007-11-15 Murata Manufacturing Co., Ltd. 弾性波フィルタ装置及びデュプレクサ
WO2007148510A1 (ja) * 2006-06-21 2007-12-27 Murata Manufacturing Co., Ltd. 弾性波フィルタ装置及びデュプレクサ
WO2008038498A1 (fr) * 2006-09-28 2008-04-03 Murata Manufacturing Co., Ltd. Dispositif de filtre d'onde acoustique équilibré
CN101765970B (zh) 2007-08-23 2013-07-10 太阳诱电株式会社 双工器、通信模块以及通信装置
WO2009139280A1 (ja) * 2008-05-13 2009-11-19 株式会社村田製作所 アンプモジュール
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
US9041487B2 (en) * 2009-06-26 2015-05-26 Kyocera Corporation Surface acoustic wave filter and duplexer using same
CN104902416B (zh) * 2015-04-28 2018-02-16 南京航空航天大学 一种多叉指并联型乐甫波器件结构及其批量液体检测方法
CN105631106B (zh) * 2015-12-25 2018-11-20 北京航天微电科技有限公司 一种高频声表面波器件声电协同全波仿真方法
US20170245361A1 (en) * 2016-01-06 2017-08-24 Nokomis, Inc. Electronic device and methods to customize electronic device electromagnetic emissions

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US4044321A (en) * 1976-03-01 1977-08-23 Rockwell International Corporation Surface acoustic wave band pass filtering
JPS57202114A (en) * 1981-06-05 1982-12-10 Hitachi Ltd Band pass filter
JPS62115A (ja) * 1985-02-25 1987-01-06 Oki Electric Ind Co Ltd 弾性表面波フイルタ
JPH01157109A (ja) * 1987-12-14 1989-06-20 Hitachi Ltd 弾性表面波共振器
DE3942148A1 (de) * 1989-12-20 1991-06-27 Siemens Ag Oberflaechenwellen-reflektorfilter
DE59010646D1 (de) * 1990-11-30 1997-03-20 Siemens Matsushita Components Oberflächenwellen-Resonator
CA2062463C (en) * 1991-03-29 1996-01-16 Yoshio Satoh Surface acoustic wave device for band-pass filter having small insertion loss and predetermined pass-band characteristics for broad band

Also Published As

Publication number Publication date
FI113920B (fi) 2004-06-30
JPH06204781A (ja) 1994-07-22
US5568002A (en) 1996-10-22
JP3254779B2 (ja) 2002-02-12
FI940014A (fi) 1994-07-06
EP0605884A1 (en) 1994-07-13

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Legal Events

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MA Patent expired