JPWO2021153459A1 - - Google Patents

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Publication number
JPWO2021153459A1
JPWO2021153459A1 JP2021573996A JP2021573996A JPWO2021153459A1 JP WO2021153459 A1 JPWO2021153459 A1 JP WO2021153459A1 JP 2021573996 A JP2021573996 A JP 2021573996A JP 2021573996 A JP2021573996 A JP 2021573996A JP WO2021153459 A1 JPWO2021153459 A1 JP WO2021153459A1
Authority
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
JP2021573996A
Other versions
JP7405159B2 (ja
JPWO2021153459A5 (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.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021153459A1 publication Critical patent/JPWO2021153459A1/ja
Publication of JPWO2021153459A5 publication Critical patent/JPWO2021153459A5/ja
Application granted granted Critical
Publication of JP7405159B2 publication Critical patent/JP7405159B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H03H9/70—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
    • 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
    • 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
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • 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
    • H03H9/14538—Formation
    • 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
    • H03H9/14538—Formation
    • H03H9/14541—Multilayer finger or busbar electrode
    • 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
    • H03H9/14591—Vertically-split transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/205—Constructional features of resonators consisting of piezoelectric or electrostrictive material having multiple resonators
    • 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
    • H03H9/54—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 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
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • 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
    • H03H9/6436—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 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
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
    • H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
    • H03H9/6476—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the tracks being electrically parallel

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP2021573996A 2020-01-31 2021-01-22 マルチプレクサ Active JP7405159B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020015859 2020-01-31
JP2020015859 2020-01-31
PCT/JP2021/002277 WO2021153459A1 (ja) 2020-01-31 2021-01-22 マルチプレクサ

Publications (3)

Publication Number Publication Date
JPWO2021153459A1 true JPWO2021153459A1 (ja) 2021-08-05
JPWO2021153459A5 JPWO2021153459A5 (ja) 2022-09-29
JP7405159B2 JP7405159B2 (ja) 2023-12-26

Family

ID=77079004

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021573996A Active JP7405159B2 (ja) 2020-01-31 2021-01-22 マルチプレクサ

Country Status (4)

Country Link
US (1) US20220376675A1 (ja)
JP (1) JP7405159B2 (ja)
CN (1) CN115211036A (ja)
WO (1) WO2021153459A1 (ja)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012147175A (ja) * 2011-01-11 2012-08-02 Murata Mfg Co Ltd 弾性波分波器
JP2018137655A (ja) * 2017-02-23 2018-08-30 株式会社村田製作所 マルチプレクサ、送信装置および受信装置
JP2019022164A (ja) * 2017-07-20 2019-02-07 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および通信装置
JP2019106622A (ja) * 2017-12-12 2019-06-27 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
JP2019220877A (ja) * 2018-06-21 2019-12-26 株式会社村田製作所 マルチプレクサ
JP2020102814A (ja) * 2018-12-25 2020-07-02 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、および通信装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012147175A (ja) * 2011-01-11 2012-08-02 Murata Mfg Co Ltd 弾性波分波器
JP2018137655A (ja) * 2017-02-23 2018-08-30 株式会社村田製作所 マルチプレクサ、送信装置および受信装置
JP2019022164A (ja) * 2017-07-20 2019-02-07 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および通信装置
JP2019106622A (ja) * 2017-12-12 2019-06-27 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
JP2019220877A (ja) * 2018-06-21 2019-12-26 株式会社村田製作所 マルチプレクサ
JP2020102814A (ja) * 2018-12-25 2020-07-02 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、および通信装置

Also Published As

Publication number Publication date
US20220376675A1 (en) 2022-11-24
CN115211036A (zh) 2022-10-18
JP7405159B2 (ja) 2023-12-26
WO2021153459A1 (ja) 2021-08-05

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