DE60144169D1 - Akustisches Oberflächenwellenfilter vom longitudinal gekoppelten Resonatortyp - Google Patents

Akustisches Oberflächenwellenfilter vom longitudinal gekoppelten Resonatortyp

Info

Publication number
DE60144169D1
DE60144169D1 DE60144169T DE60144169T DE60144169D1 DE 60144169 D1 DE60144169 D1 DE 60144169D1 DE 60144169 T DE60144169 T DE 60144169T DE 60144169 T DE60144169 T DE 60144169T DE 60144169 D1 DE60144169 D1 DE 60144169D1
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
wave filter
type surface
resonator type
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
DE60144169T
Other languages
English (en)
Inventor
Yuichi Takamine
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26590324&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60144169(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE60144169D1 publication Critical patent/DE60144169D1/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 devices; 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 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
    • H03H9/0042—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
    • H03H9/008—Balance-unbalance or balance-balance networks 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 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
    • 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
    • H03H9/14576—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 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
    • H03H9/14588—Horizontally-split transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic 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
    • H03H9/644—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)
DE60144169T 2000-04-18 2001-04-18 Akustisches Oberflächenwellenfilter vom longitudinal gekoppelten Resonatortyp Expired - Lifetime DE60144169D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000116815 2000-04-18
JP2001020456A JP3391346B2 (ja) 2000-04-18 2001-01-29 縦結合共振子型弾性表面波フィルタ

Publications (1)

Publication Number Publication Date
DE60144169D1 true DE60144169D1 (de) 2011-04-21

Family

ID=26590324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60144169T Expired - Lifetime DE60144169D1 (de) 2000-04-18 2001-04-18 Akustisches Oberflächenwellenfilter vom longitudinal gekoppelten Resonatortyp

Country Status (6)

Country Link
US (1) US6762657B2 (de)
EP (1) EP1152529B1 (de)
JP (1) JP3391346B2 (de)
KR (1) KR100434412B1 (de)
CN (1) CN1171383C (de)
DE (1) DE60144169D1 (de)

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EP1407547A4 (de) * 2000-02-02 2004-04-14 Univ Rutgers Programmierbares oberflächenwellenfilter (saw-filter)
JP3419402B2 (ja) * 2001-04-16 2003-06-23 株式会社村田製作所 弾性表面波装置、通信装置
US6828879B2 (en) * 2001-02-16 2004-12-07 Sanyo Electric Co., Ltd. Longitudinal coupled multiple mode surface acoustic wave filter
JP3743329B2 (ja) 2001-03-23 2006-02-08 株式会社村田製作所 弾性表面波フィルタ、およびそれを用いた弾性表面波装置、通信機装置
JP2002300004A (ja) * 2001-03-29 2002-10-11 Kyocera Corp 弾性表面波フィルタ
EP1249934B1 (de) * 2001-04-09 2013-07-31 Murata Manufacturing Co., Ltd. Akustische Oberflächenwellenanordnung und Kommunikationseinheit
JPWO2003003574A1 (ja) * 2001-06-29 2004-10-21 松下電器産業株式会社 弾性表面波フィルタ
EP1276235A1 (de) * 2001-07-13 2003-01-15 Matsushita Electric Industrial Co., Ltd. Oberflächenwellen Filter und Kommunikationsgerät das diesen benutzt
JP2003037467A (ja) * 2001-07-24 2003-02-07 Murata Mfg Co Ltd 弾性表面波装置
JP4090250B2 (ja) * 2001-12-10 2008-05-28 富士通メディアデバイス株式会社 弾性表面波フィルタ
JP3833569B2 (ja) * 2001-12-21 2006-10-11 富士通メディアデバイス株式会社 分波器及びこれを用いた電子装置
WO2003075458A1 (en) * 2002-03-06 2003-09-12 Matsushita Electric Industrial Co. Ltd. Surface acoustic wave filter, balanced type circuit, and communication apparatus
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JP3918102B2 (ja) * 2004-06-30 2007-05-23 株式会社村田製作所 バランス型弾性波フィルタ及び弾性波フィルタ装置
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JP4069917B2 (ja) * 2004-09-15 2008-04-02 株式会社村田製作所 バランス型弾性表面波フィルタ
DE602005014667D1 (de) * 2004-10-22 2009-07-09 Murata Manufacturing Co Elastik-oberflächenwellenfilter des ausgleichstyps
JPWO2006095570A1 (ja) * 2005-03-11 2008-08-14 株式会社村田製作所 弾性表面波フィルタ装置
US7504911B2 (en) * 2005-05-27 2009-03-17 Kyocera Corporation Surface acoustic wave resonator, surface acoustic wave device, and communications equipment
DE102005032058B4 (de) * 2005-07-08 2016-12-29 Epcos Ag HF-Filter mit verbesserter Gegenbandunterdrückung
JP4698362B2 (ja) * 2005-09-27 2011-06-08 京セラ株式会社 弾性表面波共振器及び弾性表面波装置並びに通信装置
JP4534990B2 (ja) * 2006-01-12 2010-09-01 株式会社村田製作所 弾性表面波フィルタ装置及び分波器
JP4741387B2 (ja) * 2006-03-02 2011-08-03 京セラ株式会社 弾性表面波共振器及び弾性表面波装置並びに通信装置
KR101009879B1 (ko) * 2006-05-08 2011-01-19 가부시키가이샤 무라타 세이사쿠쇼 탄성파 필터장치 및 듀플렉서
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
JPWO2008038502A1 (ja) * 2006-09-25 2010-01-28 株式会社村田製作所 弾性境界波フィルタ装置
JP2008252678A (ja) 2007-03-30 2008-10-16 Tdk Corp 縦結合共振子型弾性表面波フィルタ
WO2009050932A1 (ja) * 2007-10-18 2009-04-23 Murata Manufacturing Co., Ltd. 弾性表面波共振子及びラダー型フィルタ
JP5016467B2 (ja) * 2007-12-14 2012-09-05 太陽誘電株式会社 弾性波フィルタ
CN102017406B (zh) * 2008-04-25 2014-02-26 京瓷株式会社 声表面波装置和使用该装置的通信装置
DE112009002361B4 (de) * 2008-09-24 2016-07-21 Murata Manufacturing Co., Ltd. Filtervorrichtung für elastische Wellen
CN102754341B (zh) 2010-02-09 2015-09-02 京瓷株式会社 弹性波装置
JP6013829B2 (ja) * 2012-08-17 2016-10-25 太陽誘電株式会社 弾性波フィルタ、デュプレクサ及びモジュール
JP6134550B2 (ja) * 2013-03-22 2017-05-24 スカイワークスフィルターソリューションズジャパン株式会社 弾性波装置およびそれを用いたアンテナ共用器
KR101743183B1 (ko) * 2013-06-13 2017-06-02 가부시키가이샤 무라타 세이사쿠쇼 탄성표면파 필터 장치 및 듀플렉서
CN105284048B (zh) * 2013-06-13 2017-10-31 株式会社村田制作所 声表面波滤波器、声表面波滤波器装置以及双工器
JP2015109574A (ja) * 2013-12-05 2015-06-11 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および通信機
WO2015151705A1 (ja) 2014-03-31 2015-10-08 株式会社村田製作所 弾性表面波フィルタ
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
DE102016123151A1 (de) * 2016-11-30 2018-06-14 Snaptrack, Inc. Breitband-DMS-Filter
JP6832737B2 (ja) * 2017-02-20 2021-02-24 京セラ株式会社 弾性表面波共振子、分波器および通信装置
JP2021141500A (ja) * 2020-03-06 2021-09-16 株式会社村田製作所 弾性波フィルタ装置およびそれを用いたマルチプレクサ
CN112448694A (zh) * 2021-02-01 2021-03-05 成都频岢微电子有限公司 用于改善通带平坦度的dms滤波器及双工器

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Also Published As

Publication number Publication date
KR20010098702A (ko) 2001-11-08
US6762657B2 (en) 2004-07-13
EP1152529B1 (de) 2011-03-09
CN1325184A (zh) 2001-12-05
EP1152529A3 (de) 2008-06-25
EP1152529A2 (de) 2001-11-07
JP2002009588A (ja) 2002-01-11
JP3391346B2 (ja) 2003-03-31
US20020017969A1 (en) 2002-02-14
KR100434412B1 (ko) 2004-06-04
CN1171383C (zh) 2004-10-13

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