FR2821997B1 - Filtre a ondes acoustiques de surface - Google Patents

Filtre a ondes acoustiques de surface

Info

Publication number
FR2821997B1
FR2821997B1 FR0103041A FR0103041A FR2821997B1 FR 2821997 B1 FR2821997 B1 FR 2821997B1 FR 0103041 A FR0103041 A FR 0103041A FR 0103041 A FR0103041 A FR 0103041A FR 2821997 B1 FR2821997 B1 FR 2821997B1
Authority
FR
France
Prior art keywords
acoustic wave
surface acoustic
wave filter
filter
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
FR0103041A
Other languages
English (en)
Other versions
FR2821997A1 (fr
Inventor
Victor Plessky
Laurent Kopp
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.)
SnapTrack Inc
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR0103041A priority Critical patent/FR2821997B1/fr
Priority to EP02708440A priority patent/EP1368895A1/fr
Priority to PCT/FR2002/000760 priority patent/WO2002071610A1/fr
Priority to JP2002570405A priority patent/JP2004523176A/ja
Priority to US10/469,813 priority patent/US6940368B2/en
Priority to KR10-2003-7011627A priority patent/KR20030077667A/ko
Publication of FR2821997A1 publication Critical patent/FR2821997A1/fr
Application granted granted Critical
Publication of FR2821997B1 publication Critical patent/FR2821997B1/fr
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
    • H03H9/6483—Ladder SAW filters
    • 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
    • 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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/0274—Intra-transducers grating lines
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR0103041A 2001-03-06 2001-03-06 Filtre a ondes acoustiques de surface Expired - Lifetime FR2821997B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0103041A FR2821997B1 (fr) 2001-03-06 2001-03-06 Filtre a ondes acoustiques de surface
EP02708440A EP1368895A1 (fr) 2001-03-06 2002-03-01 Filtre a ondes acoustiques de surface
PCT/FR2002/000760 WO2002071610A1 (fr) 2001-03-06 2002-03-01 Filtre a ondes acoustiques de surface
JP2002570405A JP2004523176A (ja) 2001-03-06 2002-03-01 表面音響波フィルタ
US10/469,813 US6940368B2 (en) 2001-03-06 2002-03-01 Surface acoustic wave filter
KR10-2003-7011627A KR20030077667A (ko) 2001-03-06 2002-03-01 표면 음향파 필터

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0103041A FR2821997B1 (fr) 2001-03-06 2001-03-06 Filtre a ondes acoustiques de surface

Publications (2)

Publication Number Publication Date
FR2821997A1 FR2821997A1 (fr) 2002-09-13
FR2821997B1 true FR2821997B1 (fr) 2003-05-30

Family

ID=8860797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0103041A Expired - Lifetime FR2821997B1 (fr) 2001-03-06 2001-03-06 Filtre a ondes acoustiques de surface

Country Status (6)

Country Link
US (1) US6940368B2 (fr)
EP (1) EP1368895A1 (fr)
JP (1) JP2004523176A (fr)
KR (1) KR20030077667A (fr)
FR (1) FR2821997B1 (fr)
WO (1) WO2002071610A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100511999C (zh) * 2003-07-30 2009-07-08 松下电器产业株式会社 表面声波滤波器
DE102004031397A1 (de) * 2004-06-29 2006-01-26 Epcos Ag Duplexer
DE102004037820A1 (de) 2004-08-04 2006-03-16 Epcos Ag Elektrische Schaltung und Bauelement mit der Schaltung
FR2879301B1 (fr) * 2004-12-15 2007-01-26 Temex Sa Transpondeurs a ondes acoustiques de surface
KR101238358B1 (ko) * 2006-02-06 2013-03-04 삼성전자주식회사 대역 통과 필터 및 이를 구비한 듀플렉서
DE102006010752B4 (de) * 2006-03-08 2013-10-31 Epcos Ag DMS-Filter mit verschalteten Resonatoren
WO2009025057A1 (fr) 2007-08-23 2009-02-26 Fujitsu Limited Filtre de branchement, module comprenant le filtre de branchement, dispositif de communication
JP2009088999A (ja) * 2007-09-28 2009-04-23 Nippon Dempa Kogyo Co Ltd 弾性波フィルタ
JP5045760B2 (ja) * 2007-10-01 2012-10-10 株式会社村田製作所 弾性波フィルタ装置
US20090231060A1 (en) * 2008-03-11 2009-09-17 Rf Monolithics, Inc. Ladder resonator filter and related system
JP5172454B2 (ja) * 2008-04-30 2013-03-27 太陽誘電株式会社 フィルタ、デュプレクサおよび通信機器
JP5215767B2 (ja) 2008-07-31 2013-06-19 太陽誘電株式会社 フィルタ、分波器、および通信機器
JP5183459B2 (ja) 2008-12-26 2013-04-17 太陽誘電株式会社 分波器、分波器用基板および電子装置
CN102265515B (zh) 2008-12-26 2014-07-09 太阳诱电株式会社 双工器以及电子装置
US8610518B1 (en) 2011-05-18 2013-12-17 Triquint Semiconductor, Inc. Elastic guided wave coupling resonator filter and associated manufacturing
JP6115646B2 (ja) * 2013-09-06 2017-04-19 株式会社村田製作所 弾性波共振子、弾性波フィルタ装置及びデュプレクサ
CN106911317B (zh) * 2017-02-07 2020-01-21 深圳华远微电科技有限公司 声表面波谐振器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785270A (en) * 1987-12-30 1988-11-15 Motorola Inc. Monolithic lattice saw filter
GB2280806B (en) * 1993-08-04 1997-10-08 Advanced Saw Prod Sa Saw filter
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
US5499003A (en) * 1994-10-03 1996-03-12 Motorola, Inc. Differential saw filter including series coupled resonant/antiresonant tracks
GB2296614B (en) * 1994-12-23 1999-09-15 Advanced Saw Prod Sa Saw filter
WO1997000556A1 (fr) * 1995-06-16 1997-01-03 Northern Telecom Limited Filtres de dispositifs a ondes de surface en cascade
GB2306821B (en) * 1995-11-03 2000-05-31 Advanced Saw Prod Sa Electro-acoustic device
JP3239064B2 (ja) 1996-05-28 2001-12-17 富士通株式会社 弾性表面波装置
DE19638370C2 (de) * 1996-09-19 2001-06-13 Epcos Ag Oberflächenwellenfilter für unsymmetrische/symmetrische und symmetrische/symmetrische Betriebsweise
DE19938748B4 (de) * 1999-08-16 2007-02-01 Epcos Ag Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung
JP3389911B2 (ja) * 2000-02-07 2003-03-24 株式会社村田製作所 弾性表面波フィルタ、共用器及び通信機
US6600390B2 (en) * 2001-12-13 2003-07-29 Agilent Technologies, Inc. Differential filters with common mode rejection and broadband rejection

Also Published As

Publication number Publication date
FR2821997A1 (fr) 2002-09-13
WO2002071610A1 (fr) 2002-09-12
US20040070469A1 (en) 2004-04-15
KR20030077667A (ko) 2003-10-01
US6940368B2 (en) 2005-09-06
EP1368895A1 (fr) 2003-12-10
JP2004523176A (ja) 2004-07-29

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Legal Events

Date Code Title Description
CD Change of name or company name
CD Change of name or company name
TP Transmission of property
TP Transmission of property
PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

PLFP Fee payment

Year of fee payment: 18

TP Transmission of property

Owner name: SNAPTRACK, INC., US

Effective date: 20180202

PLFP Fee payment

Year of fee payment: 20