CN107005218B - 具有dms滤波器以及陡峭右带边的装置 - Google Patents

具有dms滤波器以及陡峭右带边的装置 Download PDF

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Publication number
CN107005218B
CN107005218B CN201580063012.1A CN201580063012A CN107005218B CN 107005218 B CN107005218 B CN 107005218B CN 201580063012 A CN201580063012 A CN 201580063012A CN 107005218 B CN107005218 B CN 107005218B
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transducers
transducer
sub
filter
parallel
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Chinese (zh)
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CN107005218A (zh
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安德烈亚斯·贝格曼
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TDK Electronics AG
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Epcos AG
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    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14597—Matching SAW transducers to external electrical circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
    • H03H9/0038—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14514—Broad band transducers
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14588—Horizontally-split transducers
    • 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
    • H03H9/6436—Coupled resonator filters having one acoustic track only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CN201580063012.1A 2014-12-05 2015-10-15 具有dms滤波器以及陡峭右带边的装置 Active CN107005218B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014118000.3A DE102014118000A1 (de) 2014-12-05 2014-12-05 Anordnung mit einem DMS Filter und steiler rechter Flanke
DE102014118000.3 2014-12-05
PCT/EP2015/073903 WO2016087106A1 (de) 2014-12-05 2015-10-15 Anordnung mit einem dms filter und steiler rechter flanke

Publications (2)

Publication Number Publication Date
CN107005218A CN107005218A (zh) 2017-08-01
CN107005218B true CN107005218B (zh) 2021-06-25

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CN201580063012.1A Active CN107005218B (zh) 2014-12-05 2015-10-15 具有dms滤波器以及陡峭右带边的装置

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Country Link
US (1) US10340884B2 (enExample)
EP (1) EP3228006B1 (enExample)
JP (1) JP2018501714A (enExample)
CN (1) CN107005218B (enExample)
DE (1) DE102014118000A1 (enExample)
WO (1) WO2016087106A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6637846B2 (ja) * 2016-06-23 2020-01-29 東京エレクトロン株式会社 フィルタを設計する方法
JP7057636B2 (ja) * 2017-08-16 2022-04-20 株式会社村田製作所 マルチプレクサ
JP7188406B2 (ja) * 2020-03-06 2022-12-13 株式会社村田製作所 弾性波フィルタ装置およびそれを用いたマルチプレクサ
CN112134541B (zh) * 2020-09-24 2024-06-04 成都频岢微电子有限公司 一种新型宽带声表滤波器
CN112702040B (zh) * 2021-02-09 2024-03-12 中电科技集团重庆声光电有限公司 单晶薄膜声表面波滤波器及降低基带提高带外抑制的方法
CN118074666A (zh) * 2024-02-22 2024-05-24 杭州树芯电子科技有限公司 一种高陡降高带外抑制体声波滤波器电路结构

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EP0734121A1 (en) * 1995-03-22 1996-09-25 Mitsubishi Denki Kabushiki Kaisha Surface acoustic wave (SAW) filter
CN1567717A (zh) * 1999-04-28 2005-01-19 株式会社村田制作所 表面声波谐振器和表面声波滤波器
CN1661913A (zh) * 2004-02-26 2005-08-31 富士通媒体部品株式会社 表面声波器件
JP3826877B2 (ja) * 2002-01-22 2006-09-27 株式会社村田製作所 弾性表面波装置およびそれを有する通信装置
JP2007060331A (ja) * 2005-08-25 2007-03-08 Seiko Epson Corp Ｓａｗ共振子
JP2010239613A (ja) * 2009-03-11 2010-10-21 Panasonic Corp 弾性波素子と、この弾性波素子の製造方法
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EP2587668A3 (fr) * 2011-10-28 2013-12-04 Commissariat A L'energie Atomique Et Aux Energies Alternatives Combineur de puissance à ondes acoustiques
CN103718458A (zh) * 2011-08-08 2014-04-09 株式会社村田制作所 弹性波装置

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CN1567717A (zh) * 1999-04-28 2005-01-19 株式会社村田制作所 表面声波谐振器和表面声波滤波器
JP3826877B2 (ja) * 2002-01-22 2006-09-27 株式会社村田製作所 弾性表面波装置およびそれを有する通信装置
CN1661913A (zh) * 2004-02-26 2005-08-31 富士通媒体部品株式会社 表面声波器件
JP2007060331A (ja) * 2005-08-25 2007-03-08 Seiko Epson Corp Ｓａｗ共振子
CN102204094A (zh) * 2008-11-10 2011-09-28 松下电器产业株式会社 弹性波元件及使用了该弹性波元件的电子设备
JP2010239613A (ja) * 2009-03-11 2010-10-21 Panasonic Corp 弾性波素子と、この弾性波素子の製造方法
CN103718458A (zh) * 2011-08-08 2014-04-09 株式会社村田制作所 弹性波装置
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Publication number Publication date
US10340884B2 (en) 2019-07-02
US20170331453A1 (en) 2017-11-16
JP2018501714A (ja) 2018-01-18
EP3228006B1 (de) 2021-09-22
WO2016087106A1 (de) 2016-06-09
EP3228006A1 (de) 2017-10-11
CN107005218A (zh) 2017-08-01
DE102014118000A1 (de) 2016-06-09

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