AU2003298482A1 - Resonator filter structure having equal resonance frequencies - Google Patents

Resonator filter structure having equal resonance frequencies

Info

Publication number
AU2003298482A1
AU2003298482A1 AU2003298482A AU2003298482A AU2003298482A1 AU 2003298482 A1 AU2003298482 A1 AU 2003298482A1 AU 2003298482 A AU2003298482 A AU 2003298482A AU 2003298482 A AU2003298482 A AU 2003298482A AU 2003298482 A1 AU2003298482 A1 AU 2003298482A1
Authority
AU
Australia
Prior art keywords
filter structure
resonance frequencies
resonator filter
equal resonance
equal
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.)
Abandoned
Application number
AU2003298482A
Other languages
English (en)
Other versions
AU2003298482A8 (en
Inventor
Hans P. Loebl
Hendrik K. J. Ten Dolle
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of AU2003298482A8 publication Critical patent/AU2003298482A8/xx
Publication of AU2003298482A1 publication Critical patent/AU2003298482A1/en
Abandoned 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
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0095—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using bulk acoustic wave devices
    • 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
    • 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
    • H03H9/009—Lattice filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AU2003298482A 2003-01-20 2003-12-22 Resonator filter structure having equal resonance frequencies Abandoned AU2003298482A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03100103.5 2003-01-20
EP03100103 2003-01-20
PCT/IB2003/006368 WO2004066490A2 (en) 2003-01-20 2003-12-22 Resonator filter structure having equal resonance frequencies

Publications (2)

Publication Number Publication Date
AU2003298482A8 AU2003298482A8 (en) 2004-08-13
AU2003298482A1 true AU2003298482A1 (en) 2004-08-13

Family

ID=32748923

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003298482A Abandoned AU2003298482A1 (en) 2003-01-20 2003-12-22 Resonator filter structure having equal resonance frequencies

Country Status (6)

Country Link
US (1) US7319371B2 (enExample)
EP (1) EP1588487A2 (enExample)
JP (1) JP4468185B2 (enExample)
CN (1) CN1739237B (enExample)
AU (1) AU2003298482A1 (enExample)
WO (1) WO2004066490A2 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2864727B1 (fr) * 2003-12-29 2007-05-11 St Microelectronics Sa Circuit electronique comportant un resonateur destine a etre integre dans un produit semi-conducteur
DE102004032930A1 (de) * 2004-07-07 2006-02-02 Epcos Ag Beidseitig symmetrisch betreibbares Filter mit Volumenwellenresonatoren
FR2883432B1 (fr) * 2005-03-18 2008-02-22 St Microelectronics Sa Circuit de filtrage accordable en frequence integrable, comportant un jeu de resonateurs baw
DE602006009929D1 (de) * 2005-06-20 2009-12-03 Murata Manufacturing Co Piezoelektrischer dünnschichtfilter
FR2888060A1 (fr) * 2005-07-01 2007-01-05 St Microelectronics Sa Circuit de filtrage passe-bande dote de resonateurs acoustiques
FR2904492A1 (fr) * 2006-07-28 2008-02-01 St Microelectronics Sa Circuit de filtrage dote de resonateurs acoustiques
JP4401380B2 (ja) * 2006-11-22 2010-01-20 富士通メディアデバイス株式会社 フィルタデバイス
JP4463262B2 (ja) * 2006-11-22 2010-05-19 富士通メディアデバイス株式会社 フィルタデバイス
FR2920612B1 (fr) * 2007-09-03 2009-12-04 St Microelectronics Sa Circuit d'accord en frequence pour filtre treillis
US8576024B2 (en) * 2010-02-11 2013-11-05 Hollinworth Fund, L.L.C. Electro-acoustic filter
KR101120840B1 (ko) * 2010-06-17 2012-03-16 삼성메디슨 주식회사 적응형 클러터 필터링 방법 및 그를 위한 초음파 시스템
US8674789B2 (en) * 2010-07-07 2014-03-18 Wei Pang Serially connected first and second coupled resonator filters configured to provide at least one feedback capacitor
US8367305B1 (en) 2010-09-17 2013-02-05 Sandia Corporation Method for fabricating a microelectromechanical resonator
CN101977030B (zh) * 2010-11-24 2013-04-03 无锡思泰迪半导体有限公司 用数模混合方法校正Gm-C滤波器转角频率的结构
US9300038B2 (en) * 2010-12-10 2016-03-29 Peregrine Semiconductor Corporation Method, system, and apparatus for resonator circuits and modulating resonators
US8497747B1 (en) 2011-03-02 2013-07-30 Sandia Corporation Microelectromechanical filter formed from parallel-connected lattice networks of contour-mode resonators
FR2973970B1 (fr) * 2011-04-07 2013-04-12 Commissariat Energie Atomique Dispositif utilisant un filtre a base de resonateurs
US11063575B2 (en) * 2016-02-24 2021-07-13 Telefonaktiebolaget Lm Ericsson (Publ) Band reject filters
WO2019081232A1 (en) * 2017-10-24 2019-05-02 RF360 Europe GmbH RF FILTER AND RF FILTER DESIGN METHOD
DE102017130924B3 (de) * 2017-12-21 2019-05-16 RF360 Europe GmbH Hybridfilter
CN110165343A (zh) * 2018-02-12 2019-08-23 诺思（天津）微系统有限公司 一种射频滤波器
CN111342789B (zh) * 2018-12-18 2024-01-26 天津大学 带耦合电感的滤波器单元、滤波器及电子设备
CN110971209B (zh) * 2019-11-04 2023-10-20 天津大学 提高体声波滤波器功率容量的方法及滤波元件
US20230137953A1 (en) * 2021-10-29 2023-05-04 Texas Instruments Incorporated Narrowband sensors based on plasmonic metasurfaces integrated on piezoelectric plates
CN117335110B (zh) * 2023-12-01 2024-04-05 成都频岢微电子有限公司 一种高滚降滤波器及多工器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2216937A (en) * 1938-11-05 1940-10-08 Bell Telephone Labor Inc Wave 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
FI107661B (fi) * 1999-11-29 2001-09-14 Nokia Mobile Phones Ltd Menetelmä balansoidun suotimen keskitaajuuden säätämiseksi ja joukko balansoituja suotimia
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
US6542055B1 (en) * 2000-10-31 2003-04-01 Agilent Technologies, Inc. Integrated filter balun
KR100489851B1 (ko) * 2001-03-23 2005-05-17 노키아 코포레이션 필터디바이스
KR100541895B1 (ko) * 2001-09-21 2006-01-16 가부시끼가이샤 도시바 고주파 필터

Also Published As

Publication number Publication date
US7319371B2 (en) 2008-01-15
US20060055488A1 (en) 2006-03-16
JP2006513662A (ja) 2006-04-20
CN1739237B (zh) 2010-06-16
WO2004066490A2 (en) 2004-08-05
AU2003298482A8 (en) 2004-08-13
EP1588487A2 (en) 2005-10-26
WO2004066490A3 (en) 2004-12-02
JP4468185B2 (ja) 2010-05-26
CN1739237A (zh) 2006-02-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase