ATE556486T1 - Filter mit elastischen wellen - Google Patents

Filter mit elastischen wellen

Info

Publication number
ATE556486T1
ATE556486T1 AT05728857T AT05728857T ATE556486T1 AT E556486 T1 ATE556486 T1 AT E556486T1 AT 05728857 T AT05728857 T AT 05728857T AT 05728857 T AT05728857 T AT 05728857T AT E556486 T1 ATE556486 T1 AT E556486T1
Authority
AT
Austria
Prior art keywords
wave filter
elastic
resonator
cascade
longitudinally
Prior art date
Application number
AT05728857T
Other languages
English (en)
Inventor
Teruhisa Shibahara
Masakazu Tani
Yasuaki Shin
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 ATE556486T1 publication Critical patent/ATE556486T1/de

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
    • H03H9/02—Details
    • H03H9/0222—Details of interface-acoustic, boundary, pseudo-acoustic or Stonely wave devices
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02952—Means for compensation or elimination of undesirable effects of parasitic capacitance
    • 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
    • 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)
  • Electroluminescent Light Sources (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
AT05728857T 2004-04-19 2005-04-04 Filter mit elastischen wellen ATE556486T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004122925 2004-04-19
PCT/JP2005/006609 WO2005104363A1 (ja) 2004-04-19 2005-04-04 弾性波フィルタおよびそれを用いた通信機

Publications (1)

Publication Number Publication Date
ATE556486T1 true ATE556486T1 (de) 2012-05-15

Family

ID=35197324

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05728857T ATE556486T1 (de) 2004-04-19 2005-04-04 Filter mit elastischen wellen

Country Status (7)

Country Link
US (1) US7760048B2 (de)
EP (1) EP1739830B1 (de)
JP (1) JP4378650B2 (de)
KR (2) KR100763763B1 (de)
CN (1) CN100568723C (de)
AT (1) ATE556486T1 (de)
WO (1) WO2005104363A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI325687B (en) * 2006-02-23 2010-06-01 Murata Manufacturing Co Boundary acoustic wave device and method for producing the same
WO2007138844A1 (ja) * 2006-05-30 2007-12-06 Murata Manufacturing Co., Ltd. 弾性波装置
JP5099330B2 (ja) * 2007-09-07 2012-12-19 Ｔｄｋ株式会社 弾性表面波装置
WO2015080278A1 (ja) * 2013-11-29 2015-06-04 京セラ株式会社 弾性波素子、分波器および通信装置
JP6481758B2 (ja) * 2015-06-24 2019-03-13 株式会社村田製作所 弾性波フィルタ、マルチプレクサ、デュプレクサ、高周波フロントエンド回路、および通信装置
JP2021097313A (ja) * 2019-12-17 2021-06-24 三安ジャパンテクノロジー株式会社 弾性波デバイスパッケージ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07212174A (ja) * 1994-01-11 1995-08-11 Hitachi Ltd 弾性境界波装置
JPH09321567A (ja) 1996-05-28 1997-12-12 Showa Electric Wire & Cable Co Ltd 共振器型ｓａｗフィルタ
DE19818826B4 (de) 1998-04-27 2004-11-04 Epcos Ag Oberflächenwellenfilter mit erhöhter Bandbreite
JP4138093B2 (ja) * 1998-09-08 2008-08-20 エプソントヨコム株式会社 縦結合二重モードｓａｗフィルタ
JP4415360B2 (ja) 2000-01-28 2010-02-17 エプソントヨコム株式会社 縦結合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
JP3358615B2 (ja) * 2000-06-26 2002-12-24 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
JP3729081B2 (ja) * 2000-06-27 2005-12-21 株式会社村田製作所 弾性表面波装置
JP3414387B2 (ja) 2001-03-09 2003-06-09 株式会社村田製作所 弾性表面波装置、通信装置
JP3801083B2 (ja) * 2001-06-06 2006-07-26 株式会社村田製作所 弾性表面波装置
JP3638270B2 (ja) * 2001-07-13 2005-04-13 松下電器産業株式会社 弾性表面波フィルタ及びそれを用いた通信機器
EP1276235A1 (de) * 2001-07-13 2003-01-15 Matsushita Electric Industrial Co., Ltd. Oberflächenwellen Filter und Kommunikationsgerät das diesen benutzt
JP3922163B2 (ja) * 2001-12-25 2007-05-30 株式会社村田製作所 弾性表面波装置
EP1515436A3 (de) * 2003-08-29 2005-08-31 Seiko Epson Corporation Akustisches Oberflächenwellenelement und elektronische Apparatur mit dem Element

Also Published As

Publication number Publication date
KR20060035595A (ko) 2006-04-26
CN100568723C (zh) 2009-12-09
EP1739830A4 (de) 2009-04-22
CN1771660A (zh) 2006-05-10
EP1739830A1 (de) 2007-01-03
KR100763763B1 (ko) 2007-10-04
KR20070089888A (ko) 2007-09-03
EP1739830B1 (de) 2012-05-02
JPWO2005104363A1 (ja) 2007-08-30
US7760048B2 (en) 2010-07-20
KR100778226B1 (ko) 2007-11-20
WO2005104363A1 (ja) 2005-11-03
US20080309433A1 (en) 2008-12-18
JP4378650B2 (ja) 2009-12-09

Similar Documents

Publication Publication Date Title
EP1717953A3 (de) Akustisches Oberflächenwellenfilter und Duplexer mit demselben
WO2008126614A1 (ja) 弾性波素子
KR101914890B1 (ko) 래더형 필터, 탄성파 필터 모듈 및 듀플렉서
EP1515436A3 (de) Akustisches Oberflächenwellenelement und elektronische Apparatur mit dem Element
JP3764731B2 (ja) 多重モード弾性表面波フィルタ及び分波器
EP1158672A3 (de) Akustisches Oberflächenwellenfilter vom longitudinal gekoppelten Resonator Typ
TW200605500A (en) Balance-unbalance converting-type elastic wave filter and elastic wave filter device
JP2016001923A5 (de)
ATE556486T1 (de) Filter mit elastischen wellen
EP1249934A3 (de) Akustische Oberflächenwellenanordnung und Kommunikationseinheit
KR960016121A (ko) 표면 음향파 필터
WO2009001651A1 (ja) 弾性表面波装置及び通信装置
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
EP1289135A3 (de) Akustische Oberflächenwellenvorrichtung
JP5700121B2 (ja) 弾性波フィルタ装置
WO2009013974A1 (ja) 弾性表面波装置及び通信装置
ATE297069T1 (de) Oberflächenwellenbauelement und kommunikationsgerät
JP2022067077A5 (de)
ATE432555T1 (de) Elastik-oberflächenwellenfilter des ausgleichstyps
CN114614791B (zh) 级联谐振器和声表面波滤波器
KR950035056A (ko) 다수의 트랩 주파수를 가진 트랩회로용 압전 공진기
WO2008108113A1 (ja) 弾性波フィルタ装置及びデュプレクサ
WO2008078496A1 (ja) 弾性波装置
ATE406691T1 (de) Akustische oberflächenwellenvorrichtung und kommunikationsgerät mit derselben