JP6668332B2 - 直線性を改善したフィルター - Google Patents

直線性を改善したフィルター Download PDF

Info

Publication number
JP6668332B2
JP6668332B2 JP2017512698A JP2017512698A JP6668332B2 JP 6668332 B2 JP6668332 B2 JP 6668332B2 JP 2017512698 A JP2017512698 A JP 2017512698A JP 2017512698 A JP2017512698 A JP 2017512698A JP 6668332 B2 JP6668332 B2 JP 6668332B2
Authority
JP
Japan
Prior art keywords
filter
parallel
series
capacitor
resonance
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.)
Expired - Fee Related
Application number
JP2017512698A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017526307A5 (enExample
JP2017526307A (ja
Inventor
フレイスレベン、シュテファン
Original Assignee
スナップトラック・インコーポレーテッド
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 スナップトラック・インコーポレーテッド filed Critical スナップトラック・インコーポレーテッド
Publication of JP2017526307A publication Critical patent/JP2017526307A/ja
Publication of JP2017526307A5 publication Critical patent/JP2017526307A5/ja
Application granted granted Critical
Publication of JP6668332B2 publication Critical patent/JP6668332B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H03H9/02—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
    • 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

Landscapes

  • 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)
JP2017512698A 2014-09-03 2015-08-05 直線性を改善したフィルター Expired - Fee Related JP6668332B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014112676.9 2014-09-03
DE102014112676.9A DE102014112676A1 (de) 2014-09-03 2014-09-03 Filter mit verbesserter Linearität
PCT/EP2015/068064 WO2016034357A1 (de) 2014-09-03 2015-08-05 Filter mit verbesserter linearität

Publications (3)

Publication Number Publication Date
JP2017526307A JP2017526307A (ja) 2017-09-07
JP2017526307A5 JP2017526307A5 (enExample) 2019-07-18
JP6668332B2 true JP6668332B2 (ja) 2020-03-18

Family

ID=53776622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017512698A Expired - Fee Related JP6668332B2 (ja) 2014-09-03 2015-08-05 直線性を改善したフィルター

Country Status (6)

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

Families Citing this family (14)

* 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
DE102016112993B4 (de) 2016-07-14 2018-06-28 Snaptrack, Inc. Notchfilter sowie dieses umfassende Extraktoranordnung
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
DE102017129473A1 (de) * 2017-12-11 2019-06-13 RF360 Europe GmbH Breitbandiges HF-Filter, Multiband-HF-Filter und HF-Filterbauelement
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
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
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

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3390537B2 (ja) * 1994-08-22 2003-03-24 富士通株式会社 弾性表面波フィルタ
EP0862266B1 (en) * 1997-02-12 2003-05-21 Oki Electric Industry Co., Ltd. Surface-acoustic-wave filters with poles of attenuation created by impedance circuits
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
JPWO2004112246A1 (ja) * 2003-06-16 2006-07-20 株式会社村田製作所 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
WO2005088836A1 (ja) * 2004-03-12 2005-09-22 Murata Manufacturing Co., Ltd. 弾性表面波装置
DE102004031397A1 (de) * 2004-06-29 2006-01-26 Epcos Ag Duplexer
DE102007033233B4 (de) * 2007-07-17 2011-03-31 Epcos Ag Hochpassfilter und Verwendung
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
WO2010058570A1 (ja) * 2008-11-18 2010-05-27 株式会社村田製作所 チューナブルフィルタ
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
JP5436729B1 (ja) * 2012-04-25 2014-03-05 京セラ株式会社 弾性波素子、分波器および通信モジュール
US9325294B2 (en) * 2013-03-15 2016-04-26 Resonant Inc. Microwave acoustic wave filters

Also Published As

Publication number Publication date
US10298207B2 (en) 2019-05-21
WO2016034357A1 (de) 2016-03-10
US20170201235A1 (en) 2017-07-13
EP3189590A1 (de) 2017-07-12
DE102014112676A1 (de) 2016-03-03
EP3189590B1 (de) 2024-01-17
CN107078719A (zh) 2017-08-18
JP2017526307A (ja) 2017-09-07

Similar Documents

Publication Publication Date Title
JP6668332B2 (ja) 直線性を改善したフィルター
US11057018B2 (en) Acoustically coupled resonator notch and bandpass filters
JP6959819B2 (ja) マルチプレクサ
JP6179829B2 (ja) マイクロ波音響波フィルタの改良された設計
US6917261B2 (en) Component operating with bulk acoustic waves, and having asymmetric/symmetrical circuitry
CN111034042B (zh) 滤波器装置、多工器、高频前端电路以及通信装置
WO2011100014A2 (en) Electro-acoustic filter
JP2017526307A5 (enExample)
JP2013081068A (ja) ワンチップ漏洩表面弾性波装置
JP2006513662A (ja) 等しい共振周波数を有する共振器フィルタ構造
WO2015045882A1 (ja) 周波数可変フィルタ
KR102645938B1 (ko) 엑스트랙터
JPH0766676A (ja) 表面弾性波フィルター
JP6445580B2 (ja) インピーダンスマッチング回路およびｈｆフィルタ回路の組合せ回路
US9178490B2 (en) DMS filter having improved signal suppression in the stop band
KR102076960B1 (ko) 복합 필터 장치, 고주파 프론트엔드 회로 및 통신 장치
US11121700B2 (en) Filter and multiplexer
JP2005223808A (ja) 圧電薄膜フィルタ、分波器、通信機
CN115955212B (zh) 一种扩大带宽的saw滤波器
KR102521168B1 (ko) 멀티플렉서
Jimenez et al. Design of a Coupled Resonator 3dB power divider based on BAW technology
US7183879B2 (en) Electric filter, and duplexer using the same
EP3763039A1 (en) Correction unit for radio frequency filter
KR20040076837A (ko) 분파기

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180713

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20180713

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190617

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20190617

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20190717

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20190717

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190723

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190904

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191029

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191210

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200128

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200226

R150 Certificate of patent or registration of utility model

Ref document number: 6668332

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees