DE102014112676A1 - Filter mit verbesserter Linearität - Google Patents

Filter mit verbesserter Linearität Download PDF

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Publication number
DE102014112676A1
DE102014112676A1 DE102014112676.9A DE102014112676A DE102014112676A1 DE 102014112676 A1 DE102014112676 A1 DE 102014112676A1 DE 102014112676 A DE102014112676 A DE 102014112676A DE 102014112676 A1 DE102014112676 A1 DE 102014112676A1
Authority
DE
Germany
Prior art keywords
filter
resonators
parallel
series
capacitor
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.)
Withdrawn
Application number
DE102014112676.9A
Other languages
German (de)
English (en)
Inventor
Stefan Freisleben
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
Epcos AG
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 Epcos AG filed Critical Epcos AG
Priority to DE102014112676.9A priority Critical patent/DE102014112676A1/de
Priority to CN201580053453.3A priority patent/CN107078719A/zh
Priority to JP2017512698A priority patent/JP6668332B2/ja
Priority to PCT/EP2015/068064 priority patent/WO2016034357A1/de
Priority to EP15745498.4A priority patent/EP3189590B1/de
Priority to US15/315,370 priority patent/US10298207B2/en
Publication of DE102014112676A1 publication Critical patent/DE102014112676A1/de
Withdrawn legal-status Critical Current

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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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of 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
    • H03H9/46—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 elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE102014112676.9A 2014-09-03 2014-09-03 Filter mit verbesserter Linearität Withdrawn DE102014112676A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE102014112676.9A DE102014112676A1 (de) 2014-09-03 2014-09-03 Filter mit verbesserter Linearität
CN201580053453.3A CN107078719A (zh) 2014-09-03 2015-08-05 具有改善的线性的滤波器
JP2017512698A JP6668332B2 (ja) 2014-09-03 2015-08-05 直線性を改善したフィルター
PCT/EP2015/068064 WO2016034357A1 (de) 2014-09-03 2015-08-05 Filter mit verbesserter linearität
EP15745498.4A EP3189590B1 (de) 2014-09-03 2015-08-05 Filter mit verbesserter linearität
US15/315,370 US10298207B2 (en) 2014-09-03 2015-08-05 Filter with improved linearity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014112676.9A DE102014112676A1 (de) 2014-09-03 2014-09-03 Filter mit verbesserter Linearität

Publications (1)

Publication Number Publication Date
DE102014112676A1 true DE102014112676A1 (de) 2016-03-03

Family

ID=53776622

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102014112676.9A Withdrawn DE102014112676A1 (de) 2014-09-03 2014-09-03 Filter mit verbesserter Linearität

Country Status (6)

Country Link
US (1) US10298207B2 (https=)
EP (1) EP3189590B1 (https=)
JP (1) JP6668332B2 (https=)
CN (1) CN107078719A (https=)
DE (1) DE102014112676A1 (https=)
WO (1) WO2016034357A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018013325A1 (en) 2016-07-14 2018-01-18 Snaptrack, Inc. Notch filter and extractor arrangement comprising it
DE102017129473A1 (de) * 2017-12-11 2019-06-13 RF360 Europe GmbH Breitbandiges HF-Filter, Multiband-HF-Filter und HF-Filterbauelement
CN112468111A (zh) * 2020-12-07 2021-03-09 诺思(天津)微系统有限责任公司 改善非线性性能的方法和声波滤波器、多工器、通信设备

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3026582A1 (fr) * 2014-09-29 2016-04-01 Commissariat Energie Atomique Circuit resonant a frequence et a impedance variables
DE102015119995B4 (de) * 2015-11-18 2024-05-29 Snaptrack, Inc. Filterschaltung mit zusätzlichen Polen außerhalb des Passbands
DE102016125877B4 (de) * 2016-12-29 2018-08-23 Snaptrack, Inc. BAW-Resonator- und Resonator-Anordnung
DE102017117755A1 (de) * 2017-08-04 2019-02-07 RF360 Europe GmbH Bandpassfilter und Filterschaltung damit
US12088281B2 (en) 2021-02-03 2024-09-10 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator with multi-mark interdigital transducer
US12155374B2 (en) 2021-04-02 2024-11-26 Murata Manufacturing Co., Ltd. Tiled transversely-excited film bulk acoustic resonator high power filters
US11329626B2 (en) * 2018-11-30 2022-05-10 Resonant Inc. Bandpass filter with improved upper band edge sharpness
JP7297489B2 (ja) * 2019-03-26 2023-06-26 キヤノン株式会社 振動型アクチュエータおよび振動型アクチュエータの駆動装置
CN112886942B (zh) * 2019-11-29 2023-07-07 华为技术有限公司 滤波电路、双工器、通信装置
US12456962B2 (en) 2021-09-24 2025-10-28 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonators wafer-level packaging using a dielectric cover
US12451864B2 (en) 2021-09-29 2025-10-21 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonators with curved shaped ends of fingers or opposing busbars

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004031397A1 (de) * 2004-06-29 2006-01-26 Epcos Ag Duplexer
DE102007033233A1 (de) * 2007-07-17 2009-01-22 Epcos Ag Hochpassfilter und Verwendung
DE112009003528T5 (de) * 2008-11-18 2014-08-07 Murata Manufacturing Co., Ltd. Abstimmbares Filter

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JP3390537B2 (ja) * 1994-08-22 2003-03-24 富士通株式会社 弾性表面波フィルタ
DE69722168T2 (de) * 1997-02-12 2003-12-18 Oki Electric Ind Co Ltd Akustische Oberflächenwellenfilter mit erzeugten Dämpfungspolen durch Impedanzschaltungen
JP4352572B2 (ja) * 2000-04-03 2009-10-28 パナソニック株式会社 アンテナ共用器
GB0014630D0 (en) * 2000-06-16 2000-08-09 Koninkl Philips Electronics Nv Bulk accoustic wave filter
FI113111B (fi) * 2000-11-24 2004-02-27 Nokia Corp Pietsosähköisiä resonaattoreita käsittävä suodinrakenne ja järjestely
JP3827232B2 (ja) 2003-05-13 2006-09-27 Ｔｄｋ株式会社 フィルタ装置およびそれを用いた分波器
WO2004112246A1 (ja) * 2003-06-16 2004-12-23 Murata Manufacturing Co., Ltd. 弾性表面波分波器
JP4230347B2 (ja) * 2003-12-19 2009-02-25 富士通メディアデバイス株式会社 弾性表面波フィルタ
JP4053504B2 (ja) * 2004-01-30 2008-02-27 株式会社東芝 チューナブルフィルタ
CN100555858C (zh) * 2004-03-12 2009-10-28 株式会社村田制作所 表面声波装置
WO2009025055A1 (ja) * 2007-08-23 2009-02-26 Fujitsu Limited 弾性波フィルタ、それを用いたデュプレクサおよびそのデュプレクサを用いた通信機
JP2010011300A (ja) * 2008-06-30 2010-01-14 Murata Mfg Co Ltd 共振器、該共振器を用いるフィルタ及びデュプレクサ
DE102008052222B4 (de) * 2008-10-17 2019-01-10 Snaptrack, Inc. Antennen Duplexer mit hoher GPS-Unterdrückung
JP4816710B2 (ja) * 2008-10-30 2011-11-16 株式会社村田製作所 分波器
DE102009011639B4 (de) * 2009-03-04 2013-08-29 Epcos Ag Reaktanzfilter mit steiler Flanke und dessen Verwendung als Sendefilter in einem Duplexer
JP4844652B2 (ja) * 2009-07-13 2011-12-28 パナソニック株式会社 アンテナ共用器
DE102010034121A1 (de) * 2010-08-12 2012-02-16 Epcos Ag Mit akustischen Wellen arbeitendes Bauelement mit reduziertem Temperaturgang der Frequenzlage und Verfahren zur Herstellung
US9647633B2 (en) * 2012-04-25 2017-05-09 Kyocera Corporation Acoustic wave element, branching filter and communication module
US9325294B2 (en) 2013-03-15 2016-04-26 Resonant Inc. Microwave acoustic wave filters

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004031397A1 (de) * 2004-06-29 2006-01-26 Epcos Ag Duplexer
DE102007033233A1 (de) * 2007-07-17 2009-01-22 Epcos Ag Hochpassfilter und Verwendung
DE112009003528T5 (de) * 2008-11-18 2014-08-07 Murata Manufacturing Co., Ltd. Abstimmbares Filter

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018013325A1 (en) 2016-07-14 2018-01-18 Snaptrack, Inc. Notch filter and extractor arrangement comprising it
DE102016112993A1 (de) 2016-07-14 2018-01-18 Snaptrack, Inc. Notchfilter sowie dieses umfassende Extraktoranordnung
DE102016112993B4 (de) 2016-07-14 2018-06-28 Snaptrack, Inc. Notchfilter sowie dieses umfassende Extraktoranordnung
DE102017129473A1 (de) * 2017-12-11 2019-06-13 RF360 Europe GmbH Breitbandiges HF-Filter, Multiband-HF-Filter und HF-Filterbauelement
CN112468111A (zh) * 2020-12-07 2021-03-09 诺思(天津)微系统有限责任公司 改善非线性性能的方法和声波滤波器、多工器、通信设备
CN112468111B (zh) * 2020-12-07 2022-07-12 诺思(天津)微系统有限责任公司 改善非线性性能的方法和声波滤波器、多工器、通信设备

Also Published As

Publication number Publication date
WO2016034357A1 (de) 2016-03-10
US10298207B2 (en) 2019-05-21
EP3189590A1 (de) 2017-07-12
JP6668332B2 (ja) 2020-03-18
JP2017526307A (ja) 2017-09-07
CN107078719A (zh) 2017-08-18
EP3189590B1 (de) 2024-01-17
US20170201235A1 (en) 2017-07-13

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Legal Events

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R012 Request for examination validly filed
R081 Change of applicant/patentee

Owner name: SNAPTRACK, INC., SAN DIEGO, US

Free format text: FORMER OWNER: EPCOS AG, 81669 MUENCHEN, DE

R082 Change of representative

Representative=s name: BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANW, DE

R016 Response to examination communication
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee