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DE60300096D1 - Oberflächenwellen Bauelement und Kommunikationsgerät - Google Patents

Oberflächenwellen Bauelement und Kommunikationsgerät

Info

Publication number
DE60300096D1
DE60300096D1 DE60300096T DE60300096T DE60300096D1 DE 60300096 D1 DE60300096 D1 DE 60300096D1 DE 60300096 T DE60300096 T DE 60300096T DE 60300096 T DE60300096 T DE 60300096T DE 60300096 D1 DE60300096 D1 DE 60300096D1
Authority
DE
Germany
Prior art keywords
surface wave
communication device
wave device
communication
wave
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
Application number
DE60300096T
Other languages
English (en)
Other versions
DE60300096T2 (de
Inventor
Yuichi Takamine
Yoichi Sawada
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
Publication of DE60300096D1 publication Critical patent/DE60300096D1/de
Application granted granted Critical
Publication of DE60300096T2 publication Critical patent/DE60300096T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03H9/46—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
    • H03H9/0023—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
    • H03H9/008—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 three 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
    • H03H9/0023—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
    • H03H9/0033—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 one acoustic track only
    • H03H9/0038—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 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 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
    • H03H9/0033—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 one acoustic track only
    • H03H9/0042—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 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 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
    • H03H9/0047—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
    • H03H9/0085—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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02866—Means for compensation or elimination of undesirable effects of bulk wave excitation and reflections
    • 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14576—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger
    • H03H9/14582—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger the last fingers having a different pitch
    • 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14588—Horizontally-split transducers
    • 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14591—Vertically-split transducers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Transceivers (AREA)
DE60300096T 2002-02-15 2003-02-14 Oberflächenwellen Bauelement und Kommunikationsgerät Expired - Lifetime DE60300096T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002037974 2002-02-15
JP2002037974 2002-02-15
JP2002331835A JP3846409B2 (ja) 2002-02-15 2002-11-15 弾性表面波装置、通信装置
JP2002331835 2002-11-15

Publications (2)

Publication Number Publication Date
DE60300096D1 true DE60300096D1 (de) 2004-11-25
DE60300096T2 DE60300096T2 (de) 2006-02-02

Family

ID=27624618

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60300096T Expired - Lifetime DE60300096T2 (de) 2002-02-15 2003-02-14 Oberflächenwellen Bauelement und Kommunikationsgerät

Country Status (6)

Country Link
US (1) US6828878B2 (de)
EP (1) EP1337039B1 (de)
JP (1) JP3846409B2 (de)
KR (1) KR100503954B1 (de)
CN (1) CN100411463C (de)
DE (1) DE60300096T2 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3826816B2 (ja) * 2001-08-29 2006-09-27 株式会社村田製作所 弾性表面波装置
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
JP2004040636A (ja) * 2002-07-05 2004-02-05 Murata Mfg Co Ltd 表面波装置
JP3844725B2 (ja) * 2002-09-30 2006-11-15 富士通メディアデバイス株式会社 弾性表面波フィルタ、それを有する弾性表面波分波器
JP3929415B2 (ja) * 2003-04-23 2007-06-13 富士通メディアデバイス株式会社 弾性表面波デバイス
US7158763B2 (en) * 2003-05-02 2007-01-02 P. J. Edmonson Ltd. Multi-IDT SAW hybrid communication system
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
EP1852973A4 (de) * 2005-02-16 2011-09-07 Murata Manufacturing Co Symmetrischer oberflächenakustikwellenfilter
JP5010256B2 (ja) * 2005-11-30 2012-08-29 京セラ株式会社 弾性表面波装置及びこれを備えた通信装置
CN101882920B (zh) * 2006-04-06 2012-07-04 株式会社村田制作所 双工器
JP4158818B2 (ja) * 2006-06-21 2008-10-01 株式会社村田製作所 弾性波フィルタ装置及びデュプレクサ
US8637521B2 (en) 2006-08-04 2014-01-28 Manus Pharmaceuticals (Canada) Ltd. Substituted piperazin-2,5-diones and their use as multifunctional bioactive compounds
JP4244057B2 (ja) * 2006-08-30 2009-03-25 富士通メディアデバイス株式会社 バランスフィルタおよび分波器
JP4465625B2 (ja) 2006-09-29 2010-05-19 Ｔｄｋ株式会社 弾性表面波フィルタおよび弾性表面波共振器
WO2008078496A1 (ja) * 2006-12-25 2008-07-03 Murata Manufacturing Co., Ltd. 弾性波装置
DE102007010040B4 (de) 2007-03-01 2014-08-07 Epcos Ag Mit Oberflächenwellen arbeitendes DMS-Filter
US8669832B2 (en) 2009-02-25 2014-03-11 Panasonic Corporation Acoustic wave device and acoustic wave filter
JP5281489B2 (ja) * 2009-06-09 2013-09-04 太陽誘電株式会社 弾性表面波デバイス
DE102009032840B4 (de) * 2009-07-13 2015-02-05 Epcos Ag SAW-Filterschaltung mit verbesserter ESD-Festigkeit
JP2012010164A (ja) * 2010-06-25 2012-01-12 Murata Mfg Co Ltd 弾性波分波器
FR2966307B1 (fr) * 2010-10-15 2013-07-12 Commissariat Energie Atomique Filtre a ondes acoustiques comprenant un guidage acoustique integre
CN105391421B (zh) * 2010-11-09 2018-04-06 天工滤波方案日本有限公司 弹性波装置
FR2982098B1 (fr) * 2011-10-28 2014-06-13 Commissariat Energie Atomique Dispositif de puissance a ondes acoustiques
JP5844939B2 (ja) 2013-02-27 2016-01-20 京セラ株式会社 弾性波素子、分波器および通信モジュール
WO2016088543A1 (ja) * 2014-12-01 2016-06-09 株式会社村田製作所 弾性波共振子、弾性波フィルタ、デュプレクサ及び弾性波装置
CN104639092A (zh) * 2014-12-13 2015-05-20 中国电子科技集团公司第二十六研究所 高带外抑制高频表面贴装声表面横波谐振滤波器
CN105071783A (zh) * 2015-09-14 2015-11-18 德清兰德电子有限公司 一种无线麦克风用声表面波滤波器
US20170085246A1 (en) * 2015-09-17 2017-03-23 Ishiang Shih Tunable surface acoustic wave resonators and filters
US20170104470A1 (en) * 2015-10-09 2017-04-13 Avago Technologies General Ip (Singapore) Pte. Ltd. Interdigitated transducers and reflectors for surface acoustic wave devices with non-uniformly spaced elements
WO2017131170A1 (ja) * 2016-01-29 2017-08-03 京セラ株式会社 弾性波共振子、弾性波フィルタ、分波器および通信装置
WO2018168503A1 (ja) * 2017-03-14 2018-09-20 株式会社村田製作所 エクストラクタ
KR102776331B1 (ko) * 2021-09-03 2025-03-06 (주)와이솔 표면 탄성파 소자
CN115102522A (zh) * 2022-07-12 2022-09-23 天通瑞宏科技有限公司 一种声表面波谐振器和声表面波滤波器

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JPS55125713A (en) * 1979-03-22 1980-09-27 Toshiba Corp Surface elastic wave device
US5028831A (en) * 1990-04-04 1991-07-02 Motorola, Inc. SAW reflectionless quarter-wavelength transducers
JPH05299966A (ja) * 1992-04-18 1993-11-12 Murata Mfg Co Ltd 弾性表面波デバイス
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
JP3139225B2 (ja) * 1993-07-08 2001-02-26 株式会社村田製作所 弾性表面波フィルタ
JP3614234B2 (ja) * 1996-03-14 2005-01-26 沖電気工業株式会社 共振器型弾性表面波フィルタ
EP0998039B1 (de) 1997-07-18 2016-12-28 Murata Manufacturing Co., Ltd. Akustisches oberflächenwellenfilter
JP3317273B2 (ja) * 1998-08-25 2002-08-26 株式会社村田製作所 表面波共振子、フィルタ、共用器、通信機装置
JP3255128B2 (ja) 1998-11-24 2002-02-12 株式会社村田製作所 弾性表面波フィルタ
JP3371849B2 (ja) * 1999-04-28 2003-01-27 株式会社村田製作所 Ｓａｗ共振子、複合ｓａｗフィルタ及びｓａｗフィルタ
JP3454239B2 (ja) * 2000-08-31 2003-10-06 株式会社村田製作所 弾性表面波フィルタ

Also Published As

Publication number Publication date
CN100411463C (zh) 2008-08-13
EP1337039A1 (de) 2003-08-20
US20030155993A1 (en) 2003-08-21
JP3846409B2 (ja) 2006-11-15
KR100503954B1 (ko) 2005-07-26
JP2003309448A (ja) 2003-10-31
EP1337039B1 (de) 2004-10-20
DE60300096T2 (de) 2006-02-02
US6828878B2 (en) 2004-12-07
KR20030069088A (ko) 2003-08-25
CN1438815A (zh) 2003-08-27

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