CN1739237B - 具有等谐振频率的谐振滤波器结构 - Google Patents

具有等谐振频率的谐振滤波器结构 Download PDF

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Publication number
CN1739237B
CN1739237B CN2003801089667A CN200380108966A CN1739237B CN 1739237 B CN1739237 B CN 1739237B CN 2003801089667 A CN2003801089667 A CN 2003801089667A CN 200380108966 A CN200380108966 A CN 200380108966A CN 1739237 B CN1739237 B CN 1739237B
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China
Prior art keywords
resonator
baw
lattice
filter structure
frequency
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Expired - Fee Related
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CN2003801089667A
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English (en)
Chinese (zh)
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CN1739237A (zh
Inventor
H·K·J·坦多尔勒
H·P·洛布
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Qorvo US Inc
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Koninklijke Philips Electronics NV
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    • 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

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  • 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)
CN2003801089667A 2003-01-20 2003-12-22 具有等谐振频率的谐振滤波器结构 Expired - Fee Related CN1739237B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03100103 2003-01-20
EP03100103.5 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
CN1739237A CN1739237A (zh) 2006-02-22
CN1739237B true CN1739237B (zh) 2010-06-16

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Family Applications (1)

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CN2003801089667A Expired - Fee Related CN1739237B (zh) 2003-01-20 2003-12-22 具有等谐振频率的谐振滤波器结构

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)

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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
WO2006137275A1 (ja) * 2005-06-20 2006-12-28 Murata Manufacturing Co., Ltd. 圧電薄膜フィルタ
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
CN111226393B (zh) * 2017-10-24 2023-10-24 Rf360新加坡私人有限公司 Rf滤波器和设计rf滤波器的方法
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1104097A2 (en) * 1999-11-29 2001-05-30 Nokia Mobile Phones Ltd. Method for adjusting the center frequency of a balanced filter and a plurality of balanced filters
WO2002082647A1 (en) * 2001-03-23 2002-10-17 Infineon Technologies Ag Filter device

Family Cites Families (5)

* 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
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
KR100541895B1 (ko) * 2001-09-21 2006-01-16 가부시끼가이샤 도시바 고주파 필터

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1104097A2 (en) * 1999-11-29 2001-05-30 Nokia Mobile Phones Ltd. Method for adjusting the center frequency of a balanced filter and a plurality of balanced filters
WO2002082647A1 (en) * 2001-03-23 2002-10-17 Infineon Technologies Ag Filter device

Also Published As

Publication number Publication date
WO2004066490A3 (en) 2004-12-02
CN1739237A (zh) 2006-02-22
AU2003298482A8 (en) 2004-08-13
US20060055488A1 (en) 2006-03-16
WO2004066490A2 (en) 2004-08-05
US7319371B2 (en) 2008-01-15
JP4468185B2 (ja) 2010-05-26
EP1588487A2 (en) 2005-10-26
JP2006513662A (ja) 2006-04-20
AU2003298482A1 (en) 2004-08-13

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