DE69620134D1 - Akustisches Oberflächenwellenresonatorfilter mit longitudinaler Kopplung - Google Patents

Akustisches Oberflächenwellenresonatorfilter mit longitudinaler Kopplung

Info

Publication number
DE69620134D1
DE69620134D1 DE69620134T DE69620134T DE69620134D1 DE 69620134 D1 DE69620134 D1 DE 69620134D1 DE 69620134 T DE69620134 T DE 69620134T DE 69620134 T DE69620134 T DE 69620134T DE 69620134 D1 DE69620134 D1 DE 69620134D1
Authority
DE
Germany
Prior art keywords
surface wave
wave resonator
resonator filter
acoustic surface
longitudinal coupling
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
DE69620134T
Other languages
English (en)
Other versions
DE69620134T2 (de
Inventor
Kazunobu Shimoe
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 DE69620134D1 publication Critical patent/DE69620134D1/de
Application granted granted Critical
Publication of DE69620134T2 publication Critical patent/DE69620134T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03H9/6423Means for obtaining a particular transfer characteristic
    • H03H9/6433Coupled resonator filters
    • H03H9/644Coupled resonator filters having two acoustic tracks
    • H03H9/6456Coupled resonator filters having two acoustic tracks being electrically coupled
    • H03H9/6469Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
    • H03H9/6473Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the electrodes being electrically interconnected
    • 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
    • H03H9/6423Means for obtaining a particular transfer characteristic
    • H03H9/6433Coupled resonator filters
    • H03H9/6436Coupled resonator filters having one acoustic track only
    • 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
    • H03H9/6423Means for obtaining a particular transfer characteristic
    • H03H9/6433Coupled resonator filters
    • H03H9/644Coupled resonator filters having two acoustic tracks
    • H03H9/6456Coupled resonator filters having two acoustic tracks being electrically coupled
    • H03H9/6459Coupled resonator filters having two acoustic tracks being electrically coupled via one connecting electrode
    • H03H9/6463Coupled resonator filters having two acoustic tracks being electrically coupled via one connecting electrode the tracks being electrically cascaded
    • H03H9/6466Coupled resonator filters having two acoustic tracks being electrically coupled via one connecting electrode the tracks being electrically cascaded each track containing more than two transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69620134T 1995-12-28 1996-12-20 Akustisches Oberflächenwellenresonatorfilter mit longitudinaler Kopplung Expired - Lifetime DE69620134T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34358595 1995-12-28

Publications (2)

Publication Number Publication Date
DE69620134D1 true DE69620134D1 (de) 2002-05-02
DE69620134T2 DE69620134T2 (de) 2002-07-18

Family

ID=18362672

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620134T Expired - Lifetime DE69620134T2 (de) 1995-12-28 1996-12-20 Akustisches Oberflächenwellenresonatorfilter mit longitudinaler Kopplung

Country Status (8)

Country Link
US (1) US5874868A (de)
EP (1) EP0782255B1 (de)
KR (1) KR100198160B1 (de)
CN (1) CN1070660C (de)
DE (1) DE69620134T2 (de)
MY (1) MY114329A (de)
SG (1) SG75806A1 (de)
TW (1) TW346288U (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7805500B2 (en) * 1995-05-08 2010-09-28 Digimarc Corporation Network linking methods and apparatus
JP3239064B2 (ja) * 1996-05-28 2001-12-17 富士通株式会社 弾性表面波装置
WO2004102797A1 (ja) * 1997-07-17 2004-11-25 Michiaki Takagi 2ポートsaw共振子
CN1108661C (zh) * 1997-07-18 2003-05-14 东芝株式会社 弹性表面波滤波器
JP3587354B2 (ja) * 1999-03-08 2004-11-10 株式会社村田製作所 横結合共振子型表面波フィルタ及び縦結合共振子型表面波フィルタ
US6629341B2 (en) * 1999-10-29 2003-10-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of fabricating a piezoelectric composite apparatus
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
JP3402311B2 (ja) * 2000-05-19 2003-05-06 株式会社村田製作所 弾性表面波装置
JP3435640B2 (ja) * 2000-05-22 2003-08-11 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
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
JP2002185284A (ja) * 2000-12-15 2002-06-28 Sanyo Electric Co Ltd 弾性表面波フィルタ
US6828879B2 (en) * 2001-02-16 2004-12-07 Sanyo Electric Co., Ltd. Longitudinal coupled multiple mode surface acoustic wave filter
JP3534080B2 (ja) * 2001-03-23 2004-06-07 株式会社村田製作所 弾性表面波フィルタ装置
EP1276235A1 (de) 2001-07-13 2003-01-15 Matsushita Electric Industrial Co., Ltd. Oberflächenwellen Filter und Kommunikationsgerät das diesen benutzt
JP2003133889A (ja) * 2001-10-25 2003-05-09 Murata Mfg Co Ltd 縦結合型弾性表面波共振子フィルタ
DE10339865B4 (de) * 2003-08-25 2010-08-19 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Temperaturstabiler Oszillator auf der Basis akustischer Oberflächenwellen
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
JP2006295434A (ja) * 2005-04-08 2006-10-26 Epson Toyocom Corp 弾性表面波フィルタ
CN101145810B (zh) * 2006-09-11 2011-06-15 索尼株式会社 通信系统以及通信装置
US9099982B2 (en) 2012-01-25 2015-08-04 International Business Machines Corporation Method of manufacturing switching filters and design structures
US9741922B2 (en) 2013-12-16 2017-08-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self-latching piezocomposite actuator
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
CN104092446B (zh) * 2014-07-28 2016-09-28 常州智梭传感科技有限公司 一种声表面波谐振器及其制作方法
JP6632481B2 (ja) * 2016-06-22 2020-01-22 太陽誘電株式会社 弾性波共振器、フィルタおよびマルチプレクサ
JP6572842B2 (ja) * 2016-07-15 2019-09-11 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路および通信装置
KR20230101025A (ko) * 2021-12-29 2023-07-06 (주) 와이팜 Saw 공진기의 설계방법 및 이를 기록한 컴퓨팅 장치에 의해 판독 가능한 기록매체

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55115712A (en) * 1979-02-28 1980-09-05 Matsushita Electric Ind Co Ltd Elastic surface wave filter
JPS62115A (ja) * 1985-02-25 1987-01-06 Oki Electric Ind Co Ltd 弾性表面波フイルタ
JPH036913A (ja) * 1989-06-05 1991-01-14 Hitachi Ltd 弾性表面波フィルタ及びそれを用いた移動無線装置
JPH03112210A (ja) * 1989-09-27 1991-05-13 Toshiba Corp 弾性表面波装置
US5309126A (en) * 1991-11-18 1994-05-03 Motorola, Inc. Spatially varying multiple electrode acoustic wave filter and method therefor
JPH05315886A (ja) * 1992-05-14 1993-11-26 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
JPH05335881A (ja) * 1992-06-04 1993-12-17 Murata Mfg Co Ltd 縦型2重モード弾性表面波フィルタ
US5392013A (en) * 1992-07-17 1995-02-21 Nec Corporation Surface acoustic wave filter capable of widening a bandwidth
US5426339A (en) * 1994-04-01 1995-06-20 Rf Monolithics, Inc. Surface acoustic wave devices with mode changing characteristics
JP3393945B2 (ja) * 1995-01-10 2003-04-07 東洋通信機株式会社 縦結合2重モードsawフィルタ

Also Published As

Publication number Publication date
MY114329A (en) 2002-09-30
EP0782255B1 (de) 2002-03-27
KR100198160B1 (ko) 1999-06-15
CN1160308A (zh) 1997-09-24
SG75806A1 (en) 2000-10-24
CN1070660C (zh) 2001-09-05
TW346288U (en) 1998-11-21
US5874868A (en) 1999-02-23
EP0782255A3 (de) 1998-01-14
DE69620134T2 (de) 2002-07-18
EP0782255A2 (de) 1997-07-02

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