JPWO2020179905A1 - - Google Patents

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Publication number
JPWO2020179905A1
JPWO2020179905A1 JP2021503664A JP2021503664A JPWO2020179905A1 JP WO2020179905 A1 JPWO2020179905 A1 JP WO2020179905A1 JP 2021503664 A JP2021503664 A JP 2021503664A JP 2021503664 A JP2021503664 A JP 2021503664A JP WO2020179905 A1 JPWO2020179905 A1 JP WO2020179905A1
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JP
Japan
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.)
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Application number
JP2021503664A
Other versions
JP7231007B2 (ja
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.)
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Publication of JPWO2020179905A1 publication Critical patent/JPWO2020179905A1/ja
Application granted granted Critical
Publication of JP7231007B2 publication Critical patent/JP7231007B2/ja
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Anticipated expiration legal-status Critical

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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 devices; 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
    • H03H9/14594—Plan-rotated or plan-tilted transducers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—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
    • H03H9/1457—Transducers having different finger widths
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • 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
    • H03H9/64—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 devices; 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—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
    • H03H9/725—Duplexers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7209—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched from a first band to a second band

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2021503664A 2019-03-06 2020-03-06 フィルタ、マルチプレクサ、高周波フロントエンド回路及び通信装置 Active JP7231007B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019040593 2019-03-06
JP2019040593 2019-03-06
PCT/JP2020/009636 WO2020179905A1 (ja) 2019-03-06 2020-03-06 フィルタ、マルチプレクサ、高周波フロントエンド回路及び通信装置

Publications (2)

Publication Number Publication Date
JPWO2020179905A1 true JPWO2020179905A1 (ja) 2020-09-10
JP7231007B2 JP7231007B2 (ja) 2023-03-01

Family

ID=72337178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021503664A Active JP7231007B2 (ja) 2019-03-06 2020-03-06 フィルタ、マルチプレクサ、高周波フロントエンド回路及び通信装置

Country Status (4)

Country Link
US (1) US11863162B2 (ja)
JP (1) JP7231007B2 (ja)
CN (1) CN113508496B (ja)
WO (1) WO2020179905A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024004862A1 (ja) * 2022-06-30 2024-01-04 京セラ株式会社 フィルタ装置および通信装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182220A (ja) * 2010-03-02 2011-09-15 Panasonic Corp 弾性波共振器及びこれを用いた縦結合二重モードフィルタ、ラダー型フィルタ
WO2016208236A1 (ja) * 2015-06-22 2016-12-29 株式会社村田製作所 弾性波フィルタ装置
WO2018003273A1 (ja) * 2016-06-28 2018-01-04 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路及び通信装置

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CN100499368C (zh) * 2004-08-23 2009-06-10 株式会社村田制作所 平衡型声表面波滤波器
EP2068444B1 (en) * 2006-09-28 2013-06-26 Murata Manufacturing Co. Ltd. Acoustic wave filter
JP5177230B2 (ja) * 2008-10-24 2013-04-03 セイコーエプソン株式会社 弾性表面波共振子、弾性表面波発振器および弾性表面波モジュール装置
US8698578B2 (en) * 2009-05-27 2014-04-15 Panasonic Corporation Acoustic wave resonator and duplexer using same
WO2011158445A1 (ja) * 2010-06-17 2011-12-22 パナソニック株式会社 弾性波素子
JP2012065272A (ja) * 2010-09-17 2012-03-29 Nippon Dempa Kogyo Co Ltd 弾性波デバイス
WO2014192755A1 (ja) * 2013-05-29 2014-12-04 株式会社村田製作所 弾性波フィルタ装置
CN105684308B (zh) * 2013-10-31 2019-04-19 京瓷株式会社 弹性波元件、滤波器元件以及通信装置
WO2015098756A1 (ja) 2013-12-26 2015-07-02 株式会社村田製作所 弾性波装置及びフィルタ装置
KR101838085B1 (ko) * 2014-05-26 2018-03-13 가부시키가이샤 무라타 세이사쿠쇼 탄성파 장치
CN106664074B (zh) * 2014-07-30 2020-06-23 京瓷株式会社 弹性波元件、滤波器元件及通信装置
JP6408592B2 (ja) * 2015-01-27 2018-10-17 京セラ株式会社 フィルタ，分波器および通信装置
WO2016208446A1 (ja) * 2015-06-24 2016-12-29 株式会社村田製作所 フィルタ装置
CN109417380B (zh) * 2016-06-29 2022-08-12 株式会社村田制作所 多工器、高频前端电路及通信装置
WO2018061878A1 (ja) * 2016-09-29 2018-04-05 株式会社村田製作所 弾性波装置、高周波フロントエンド回路および通信装置
JP2020113805A (ja) * 2017-03-30 2020-07-27 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路及び通信装置
JP6882929B2 (ja) * 2017-05-01 2021-06-02 太陽誘電株式会社 弾性波共振器、フィルタおよびマルチプレクサ
WO2019124316A1 (ja) * 2017-12-20 2019-06-27 京セラ株式会社 弾性波フィルタ、分波器および通信装置
CN113632377A (zh) * 2019-03-29 2021-11-09 株式会社村田制作所 纵向耦合谐振器型弹性波滤波器以及滤波器装置
US11677380B2 (en) * 2019-08-29 2023-06-13 Skyworks Solutions, Inc. Suppression of transverse mode spurious signals in surface acoustic wave devices utilizing a gap hammer structure
JP2023003114A (ja) * 2021-06-23 2023-01-11 株式会社村田製作所 表面弾性波共振子、弾性波フィルタおよびマルチプレクサ
US20230253952A1 (en) * 2022-02-08 2023-08-10 Skyworks Solutions, Inc. Acoustic wave filter with wide bandwidth of attenuation region

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182220A (ja) * 2010-03-02 2011-09-15 Panasonic Corp 弾性波共振器及びこれを用いた縦結合二重モードフィルタ、ラダー型フィルタ
WO2016208236A1 (ja) * 2015-06-22 2016-12-29 株式会社村田製作所 弾性波フィルタ装置
WO2018003273A1 (ja) * 2016-06-28 2018-01-04 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路及び通信装置

Also Published As

Publication number Publication date
CN113508496B (zh) 2023-01-06
JP7231007B2 (ja) 2023-03-01
WO2020179905A1 (ja) 2020-09-10
CN113508496A (zh) 2021-10-15
US11863162B2 (en) 2024-01-02
US20210399719A1 (en) 2021-12-23

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