CN107078719A - 具有改善的线性的滤波器 - Google Patents
具有改善的线性的滤波器 Download PDFInfo
- Publication number
- CN107078719A CN107078719A CN201580053453.3A CN201580053453A CN107078719A CN 107078719 A CN107078719 A CN 107078719A CN 201580053453 A CN201580053453 A CN 201580053453A CN 107078719 A CN107078719 A CN 107078719A
- Authority
- CN
- China
- Prior art keywords
- resonator
- series
- filter
- parallel
- circuit
- 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.)
- Pending
Links
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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
- H03H9/64—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
- H03H9/542—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
- H03H9/54—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
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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| CN107078719A true CN107078719A (zh) | 2017-08-18 |
Family
ID=53776622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580053453.3A Pending CN107078719A (zh) | 2014-09-03 | 2015-08-05 | 具有改善的线性的滤波器 |
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021104505A1 (zh) * | 2019-11-29 | 2021-06-03 | 华为技术有限公司 | 滤波电路、双工器、通信装置 |
Families Citing this family (13)
| 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 |
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190823A (zh) * | 1997-02-12 | 1998-08-19 | 冲电气工业株式会社 | 具有由阻抗电路产生的衰减极点的表面声波滤波器 |
| US20010052831A1 (en) * | 2000-06-16 | 2001-12-20 | Koninklijke Philips Electronics N.V. | Bulk accoustic wave filter |
| EP1478091A2 (en) * | 2003-05-13 | 2004-11-17 | TDK Corporation | Filter device with sharp attenuation characteristic in narrow bandwidth and branching filter using the same |
| CN1630187A (zh) * | 2003-12-19 | 2005-06-22 | 富士通媒体部品株式会社 | 表面声波滤波器 |
| EP2141805A2 (en) * | 2008-06-30 | 2010-01-06 | Murata Manufacturing Co. Ltd. | Resonator device, filter including the same, and duplexer |
| CN102217194A (zh) * | 2008-11-18 | 2011-10-12 | 株式会社村田制作所 | 可调滤波器 |
| US20110316649A1 (en) * | 2009-03-04 | 2011-12-29 | Epcos Ag | Reactance Filter Having a Steep Edge |
Family Cites Families (15)
| 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 |
| 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 |
| FI113111B (fi) | 2000-11-24 | 2004-02-27 | Nokia Corp | Pietsosähköisiä resonaattoreita käsittävä suodinrakenne ja järjestely |
| 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 |
| 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 |
| 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 |
| 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 |
-
2014
- 2014-09-03 DE DE102014112676.9A patent/DE102014112676A1/de not_active Withdrawn
-
2015
- 2015-08-05 WO PCT/EP2015/068064 patent/WO2016034357A1/de not_active Ceased
- 2015-08-05 EP EP15745498.4A patent/EP3189590B1/de active Active
- 2015-08-05 CN CN201580053453.3A patent/CN107078719A/zh active Pending
- 2015-08-05 JP JP2017512698A patent/JP6668332B2/ja not_active Expired - Fee Related
- 2015-08-05 US US15/315,370 patent/US10298207B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190823A (zh) * | 1997-02-12 | 1998-08-19 | 冲电气工业株式会社 | 具有由阻抗电路产生的衰减极点的表面声波滤波器 |
| US20010052831A1 (en) * | 2000-06-16 | 2001-12-20 | Koninklijke Philips Electronics N.V. | Bulk accoustic wave filter |
| EP1478091A2 (en) * | 2003-05-13 | 2004-11-17 | TDK Corporation | Filter device with sharp attenuation characteristic in narrow bandwidth and branching filter using the same |
| CN1630187A (zh) * | 2003-12-19 | 2005-06-22 | 富士通媒体部品株式会社 | 表面声波滤波器 |
| EP2141805A2 (en) * | 2008-06-30 | 2010-01-06 | Murata Manufacturing Co. Ltd. | Resonator device, filter including the same, and duplexer |
| CN102217194A (zh) * | 2008-11-18 | 2011-10-12 | 株式会社村田制作所 | 可调滤波器 |
| US20110316649A1 (en) * | 2009-03-04 | 2011-12-29 | Epcos Ag | Reactance Filter Having a Steep Edge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021104505A1 (zh) * | 2019-11-29 | 2021-06-03 | 华为技术有限公司 | 滤波电路、双工器、通信装置 |
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 |
| JP6668332B2 (ja) | 2020-03-18 |
| DE102014112676A1 (de) | 2016-03-03 |
| EP3189590B1 (de) | 2024-01-17 |
| JP2017526307A (ja) | 2017-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170818 |