ATE388521T1 - Akustisches volumenwellenfilter - Google Patents
Akustisches volumenwellenfilterInfo
- 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
Links
- 230000003068 static effect Effects 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
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)
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)
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)
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 |
-
2000
- 2000-06-16 GB GBGB0014630.8A patent/GB0014630D0/en not_active Ceased
-
2001
- 2001-06-07 EP EP01951568A patent/EP1402634B1/de not_active Expired - Lifetime
- 2001-06-07 AT AT01951568T patent/ATE388521T1/de not_active IP Right Cessation
- 2001-06-07 KR KR1020027001952A patent/KR100809120B1/ko not_active IP Right Cessation
- 2001-06-07 CN CNB01801691XA patent/CN1211925C/zh not_active Expired - Fee Related
- 2001-06-07 WO PCT/EP2001/006446 patent/WO2001097375A1/en active IP Right Grant
- 2001-06-07 JP JP2002511466A patent/JP2004503975A/ja active Pending
- 2001-06-07 DE DE60133135T patent/DE60133135T2/de not_active Expired - Lifetime
- 2001-06-15 US US09/882,086 patent/US6509814B2/en not_active Expired - Lifetime
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |