ATE388521T1 - Akustisches volumenwellenfilter - Google Patents

Akustisches volumenwellenfilter

Info

Publication number
ATE388521T1
ATE388521T1 AT01951568T AT01951568T ATE388521T1 AT E388521 T1 ATE388521 T1 AT E388521T1 AT 01951568 T AT01951568 T AT 01951568T AT 01951568 T AT01951568 T AT 01951568T AT E388521 T1 ATE388521 T1 AT E388521T1
Authority
AT
Austria
Prior art keywords
shunt
series
wave filter
resonators
acoustic volume
Prior art date
Application number
AT01951568T
Other languages
English (en)
Inventor
Robert Milsom
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE388521T1 publication Critical patent/ATE388521T1/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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/564—Monolithic crystal filters implemented with thin-film techniques
    • 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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor
    • H03H9/568—Electric coupling means therefor consisting of a ladder configuration
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • 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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Ink Jet (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AT01951568T 2000-06-16 2001-06-07 Akustisches volumenwellenfilter ATE388521T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0014630.8A GB0014630D0 (en) 2000-06-16 2000-06-16 Bulk accoustic wave filter

Publications (1)

Publication Number Publication Date
ATE388521T1 true ATE388521T1 (de) 2008-03-15

Family

ID=9893700

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01951568T ATE388521T1 (de) 2000-06-16 2001-06-07 Akustisches volumenwellenfilter

Country Status (9)

Country Link
US (1) US6509814B2 (de)
EP (1) EP1402634B1 (de)
JP (1) JP2004503975A (de)
KR (1) KR100809120B1 (de)
CN (1) CN1211925C (de)
AT (1) ATE388521T1 (de)
DE (1) DE60133135T2 (de)
GB (1) GB0014630D0 (de)
WO (1) WO2001097375A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113111B (fi) 2000-11-24 2004-02-27 Nokia Corp Pietsosähköisiä resonaattoreita käsittävä suodinrakenne ja järjestely
US6710677B2 (en) * 2002-02-12 2004-03-23 Nortel Networks Limited Band reject filters
CN100566152C (zh) * 2002-09-12 2009-12-02 Nxp股份有限公司 具有抑制体声波滤波器中通带波纹的装置的体声波谐振器
DE10258422A1 (de) * 2002-12-13 2004-06-24 Epcos Ag Mit akustischen Volumenwellen arbeitendes Bauelement mit gekoppelten Resonatoren
EP1673860B1 (de) * 2003-10-06 2009-11-18 Nxp B.V. Dünnfilm-körper-oberflächenwellenfilter des leitertyps
DE60316457T2 (de) * 2003-12-22 2008-06-19 Infineon Technologies Ag Dünnfilmresonator-Abzweigfilter und Verfahren zur Erdung dieser Filter
JP2006129445A (ja) * 2004-09-28 2006-05-18 Fujitsu Media Device Kk 分波器
KR100760780B1 (ko) * 2004-09-28 2007-09-21 후지쓰 메디아 데바이스 가부시키가이샤 분파기
JP4550658B2 (ja) * 2005-04-28 2010-09-22 富士通メディアデバイス株式会社 圧電薄膜共振器およびフィルタ
CN101946409B (zh) 2008-02-18 2014-08-20 株式会社村田制作所 弹性波装置及其制造方法
CN101771394A (zh) * 2010-02-05 2010-07-07 无锡市好达电子有限公司 超晶格晶体谐振器及其作为超晶格晶体滤波器的用途
FI20106063A (fi) * 2010-10-14 2012-06-08 Valtion Teknillinen Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin
US9154112B2 (en) 2011-02-28 2015-10-06 Avago Technologies General Ip (Singapore) Pte. Ltd. Coupled resonator filter comprising a bridge
US9136818B2 (en) 2011-02-28 2015-09-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Stacked acoustic resonator comprising a bridge
US9148117B2 (en) 2011-02-28 2015-09-29 Avago Technologies General Ip (Singapore) Pte. Ltd. Coupled resonator filter comprising a bridge and frame elements
DE102012205033B4 (de) * 2011-03-29 2020-01-30 Avago Technologies International Sales Pte. Limited Gestapelter akustischer Resonator, welcher eine Brücke aufweist
DE102014112676A1 (de) * 2014-09-03 2016-03-03 Epcos Ag Filter mit verbesserter Linearität
US10141907B1 (en) * 2017-08-25 2018-11-27 Psemi Corporation Integrated BPF and LNA input match
CN111342791B (zh) * 2018-12-18 2023-12-15 天津大学 消减谐振器的静态电容的方法及装置
CN109831177A (zh) * 2018-12-20 2019-05-31 天津大学 一种多阻带滤波器及其实现方法
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
CN111327288B (zh) * 2020-01-14 2021-04-16 诺思(天津)微***有限责任公司 一种体声波谐振器、超窄带滤波器、双工器及多工器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163649A (en) * 1978-06-15 1979-12-26 Nippon Electric Co Ladderrtype piezooelectric filter
JPS63253711A (ja) * 1987-04-09 1988-10-20 Kyocera Corp 梯子型圧電フイルタ
JPH01314008A (ja) * 1988-06-13 1989-12-19 Ngk Spark Plug Co Ltd 梯子型圧電フィルタ
JPH0522073A (ja) * 1991-07-10 1993-01-29 Ngk Spark Plug Co Ltd 梯子型電気濾波器
US5471178A (en) 1994-02-03 1995-11-28 Motorola, Inc. Ladder filter and method for producing conjugately matched impedance
JPH07240661A (ja) * 1994-02-25 1995-09-12 Ngk Spark Plug Co Ltd 高周波用ラダー型圧電フィルタ
JP3371050B2 (ja) * 1995-10-27 2003-01-27 三菱電機株式会社 薄膜圧電素子
US5910756A (en) * 1997-05-21 1999-06-08 Nokia Mobile Phones Limited Filters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators
US5949306A (en) * 1997-12-02 1999-09-07 Cts Corporation Saw ladder filter with split resonators and method of providing same
FI106894B (fi) * 1998-06-02 2001-04-30 Nokia Mobile Phones Ltd Resonaattorirakenteita
US6377136B1 (en) * 2000-02-04 2002-04-23 Agere Systems Guardian Corporation Thin film resonator filter having at least one component with different resonant frequency sets or electrode capacitance
GB0012437D0 (en) * 2000-05-24 2000-07-12 Univ Cranfield Improvements to filters

Also Published As

Publication number Publication date
DE60133135D1 (de) 2008-04-17
EP1402634A1 (de) 2004-03-31
GB0014630D0 (en) 2000-08-09
KR20020029922A (ko) 2002-04-20
KR100809120B1 (ko) 2008-02-29
EP1402634B1 (de) 2008-03-05
WO2001097375A1 (en) 2001-12-20
CN1211925C (zh) 2005-07-20
US6509814B2 (en) 2003-01-21
JP2004503975A (ja) 2004-02-05
CN1383611A (zh) 2002-12-04
DE60133135T2 (de) 2009-03-12
US20010052831A1 (en) 2001-12-20

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