DE102017125774B4 - Multiplexer - Google Patents

Multiplexer Download PDF

Info

Publication number
DE102017125774B4
DE102017125774B4 DE102017125774.8A DE102017125774A DE102017125774B4 DE 102017125774 B4 DE102017125774 B4 DE 102017125774B4 DE 102017125774 A DE102017125774 A DE 102017125774A DE 102017125774 B4 DE102017125774 B4 DE 102017125774B4
Authority
DE
Germany
Prior art keywords
filter
frequency band
node
multiplexer
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.)
Active
Application number
DE102017125774.8A
Other languages
German (de)
English (en)
Other versions
DE102017125774A1 (de
Inventor
Toshiaki Takata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of DE102017125774A1 publication Critical patent/DE102017125774A1/de
Application granted granted Critical
Publication of DE102017125774B4 publication Critical patent/DE102017125774B4/de
Active 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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • 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
    • H03H9/725—Duplexers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H03H9/44—Frequency dependent delay lines, e.g. dispersive delay lines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25—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 elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6406—Filters characterised by a particular frequency characteristic
    • 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
    • H03H9/644—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
    • 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
    • H03H9/6479—Capacitively coupled SAW resonator 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
    • H03H9/46—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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Transceivers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE102017125774.8A 2016-11-04 2017-11-03 Multiplexer Active DE102017125774B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016216201A JP6589824B2 (ja) 2016-11-04 2016-11-04 マルチプレクサ
JP2016-216201 2016-11-04

Publications (2)

Publication Number Publication Date
DE102017125774A1 DE102017125774A1 (de) 2018-05-09
DE102017125774B4 true DE102017125774B4 (de) 2021-05-06

Family

ID=62003018

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102017125774.8A Active DE102017125774B4 (de) 2016-11-04 2017-11-03 Multiplexer

Country Status (5)

Country Link
US (1) US10361679B2 (enExample)
JP (1) JP6589824B2 (enExample)
KR (1) KR101986022B1 (enExample)
CN (1) CN108023570B (enExample)
DE (1) DE102017125774B4 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG10201902753RA (en) 2018-04-12 2019-11-28 Skyworks Solutions Inc Filter Including Two Types Of Acoustic Wave Resonators
WO2019235276A1 (ja) * 2018-06-06 2019-12-12 株式会社村田製作所 マルチプレクサ
JP6852837B2 (ja) * 2018-06-21 2021-03-31 株式会社村田製作所 フィルタおよびマルチプレクサ
CN108803096B (zh) * 2018-06-27 2020-06-26 成都天马微电子有限公司 一种液晶移相单元及其制作方法、液晶移相器及天线
WO2020054284A1 (ja) * 2018-09-13 2020-03-19 株式会社村田製作所 マルチプレクサならびにそれを用いた高周波フロントエンド回路および通信装置
JP6939763B2 (ja) * 2018-12-25 2021-09-22 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
JP6889413B2 (ja) * 2018-12-25 2021-06-18 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
JP6822613B2 (ja) * 2018-12-28 2021-01-27 株式会社村田製作所 フィルタ装置およびマルチプレクサ
CN113474996B (zh) * 2019-02-26 2024-10-22 京瓷株式会社 滤波器和多滤波器
WO2020184641A1 (ja) 2019-03-13 2020-09-17 株式会社村田製作所 弾性波フィルタ装置およびマルチプレクサ
CN111943128B (zh) * 2019-05-15 2025-12-05 研能科技股份有限公司 微机电流体装置的控制电路
JP7136026B2 (ja) 2019-07-16 2022-09-13 株式会社村田製作所 マルチプレクサ
DE102019119239A1 (de) 2019-07-16 2021-01-21 RF360 Europe GmbH Multiplexer
JP7377450B2 (ja) * 2019-07-29 2023-11-10 株式会社村田製作所 フィルタ回路及び複合フィルタ装置
JP2021027369A (ja) * 2019-07-31 2021-02-22 株式会社村田製作所 フィルタ装置
JP7415261B2 (ja) * 2019-09-18 2024-01-17 株式会社村田製作所 フィルタ装置
CN114982130A (zh) 2020-01-20 2022-08-30 株式会社村田制作所 滤波器装置、多工器、高频前端电路以及通信装置
WO2022059643A1 (ja) 2020-09-17 2022-03-24 株式会社村田製作所 弾性波フィルタ
CN112187213B (zh) * 2020-09-29 2021-06-01 诺思(天津)微系统有限责任公司 双工器设计方法和双工器、多工器、通信设备
KR102825977B1 (ko) * 2020-11-17 2025-06-26 가부시키가이샤 무라타 세이사쿠쇼 필터 및 멀티플렉서
WO2022181578A1 (ja) * 2021-02-24 2022-09-01 株式会社村田製作所 弾性波フィルタ
WO2023032942A1 (ja) * 2021-09-06 2023-03-09 株式会社村田製作所 高周波フィルタおよびマルチプレクサ
JP2024042195A (ja) 2022-09-15 2024-03-28 株式会社村田製作所 マルチプレクサ
CN115955212B (zh) * 2023-03-14 2023-06-16 阿尔伯达(苏州)科技有限公司 一种扩大带宽的saw滤波器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013118611A (ja) * 2011-11-04 2013-06-13 Taiyo Yuden Co Ltd 分波器、フィルタ及び通信モジュール

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656515A (en) * 1985-03-25 1987-04-07 Rca Corporation Horizontal compression of pixels in a reduced-size video image utilizing cooperating subsampling and display rates
DE69723809T2 (de) * 1996-12-27 2004-04-15 Murata Mfg. Co., Ltd., Nagaokakyo Filtervorrichtung
JPH10290176A (ja) * 1997-04-11 1998-10-27 Sony Corp アンテナ共用装置
JP2003158437A (ja) * 2001-09-06 2003-05-30 Murata Mfg Co Ltd Ｌｃフィルタ回路、積層型ｌｃフィルタ、マルチプレクサおよび無線通信装置
CN1455592A (zh) * 2003-02-20 2003-11-12 株洲大同信息科技有限公司 同轴型分米波邻频多工合成器
CN2613114Y (zh) * 2003-02-20 2004-04-21 株洲大同信息科技有限公司 同轴型分米波邻频多工合成器
JP4634861B2 (ja) * 2004-05-27 2011-02-16 京セラ株式会社 弾性表面波装置及び通信機器
US7298231B2 (en) * 2004-05-27 2007-11-20 Kyocera Corporation Surface acoustic wave device and communication apparatus
EP1942576A4 (en) * 2005-10-27 2009-09-30 Kyocera Corp DISTRIBUTOR AND COMMUNICATION DEVICE USING THE SAME
CN101431688B (zh) * 2007-11-06 2010-10-13 瑞昱半导体股份有限公司 图像处理系统以及相关图像处理方法
CN102045040A (zh) * 2009-10-23 2011-05-04 联咏科技股份有限公司 多速率滤波器组
WO2011061904A1 (ja) 2009-11-19 2011-05-26 パナソニック株式会社 弾性波フィルタ装置とこれを用いたアンテナ共用器
JP5891049B2 (ja) * 2012-01-31 2016-03-22 スカイワークス・パナソニック フィルターソリューションズ ジャパン株式会社 アンテナ共用器とその製造方法
JP5986803B2 (ja) * 2012-05-24 2016-09-06 太陽誘電株式会社 フィルタ、分波器及び通信モジュール
US9246533B2 (en) * 2012-10-18 2016-01-26 Skyworks Panasonic Filter Solutions Japan Co., Ltd. Electronic device including filter
JP2014171210A (ja) * 2013-02-08 2014-09-18 Panasonic Corp 高周波フィルタ
JP6603012B2 (ja) * 2014-05-21 2019-11-06 太陽誘電株式会社 分波器
WO2016104598A1 (ja) 2014-12-26 2016-06-30 京セラ株式会社 弾性波装置
US10135422B2 (en) * 2015-10-01 2018-11-20 Skyworks Filter Solutions Japan Co., Ltd. Filter devices having improved attenuation characteristics
JP6556093B2 (ja) * 2016-05-11 2019-08-07 太陽誘電株式会社 フィルタおよびマルチプレクサ
US10404234B2 (en) * 2016-09-02 2019-09-03 Skyworks Filter Solutions Japan Co., Ltd. Filter device with phase compensation, and electronic devices including same
JP6590781B2 (ja) * 2016-11-10 2019-10-16 太陽誘電株式会社 フィルタおよびマルチプレクサ
JP7057636B2 (ja) * 2017-08-16 2022-04-20 株式会社村田製作所 マルチプレクサ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013118611A (ja) * 2011-11-04 2013-06-13 Taiyo Yuden Co Ltd 分波器、フィルタ及び通信モジュール

Also Published As

Publication number Publication date
JP6589824B2 (ja) 2019-10-16
KR20180050229A (ko) 2018-05-14
DE102017125774A1 (de) 2018-05-09
JP2018074539A (ja) 2018-05-10
CN108023570B (zh) 2021-01-08
KR101986022B1 (ko) 2019-06-04
US20180131349A1 (en) 2018-05-10
CN108023570A (zh) 2018-05-11
US10361679B2 (en) 2019-07-23

Similar Documents

Publication Publication Date Title
DE102017125774B4 (de) Multiplexer
DE112016002335B4 (de) Multiplexer, Sendevorrichtung, Empfangsvorrichtung, Hochfrequenz-Frontend-Schaltkreis, Kommunikationsvorrichtung und Impedanzanpassungsverfahren für einen Multiplexer
DE102012108030B4 (de) Multiplexer mit verringerten Intermodulationsprodukten
DE112017003220B4 (de) Multiplexer, Hochfrequenz-Frontend-Schaltung und Kommunikationsgerät
DE102012010201B4 (de) Kommunikationsmodul
DE102018104118A1 (de) Multiplexierer, Sendevorrichtung und Empfangsvorrichtung
DE102018102891A1 (de) Multiplexierer, Übertragungsvorrichtung und Empfangsvorrichtung
DE112011103586B4 (de) Demultiplexer für elastische Wellen
DE102010062069A1 (de) Duplexer mit Schaltung zum negativen Phasenverschieben
DE112014005424T5 (de) Splitter
DE112014000126T5 (de) Verbessertes Design von Mikrowellenakustikwellenfiltern
DE102014108135A1 (de) Balun mit vier LC Elementen
DE102017115705A1 (de) Multiplexierer, Hochfrequenz-Frontend-Kreis, Kommunikationsvorrichtung und Konstruktionsverfahren für einen Multiplexierer
DE102015105382A1 (de) Multiplexer, der mehrere abgestimmte Ausgangsimpedanzen zur verringerten Oberwellenerzeugung verwendet
DE10234737A1 (de) Oberflächenwellenduplexer und Kommunikationsvorrichtung
DE102014112676A1 (de) Filter mit verbesserter Linearität
DE102008052222A1 (de) Antennen Duplexer mit hoher GPS-Unterdrückung
DE102019108852B4 (de) Mikroakustisches Bandsperrfilter
DE102016112993B4 (de) Notchfilter sowie dieses umfassende Extraktoranordnung
DE112016001482T5 (de) Duplexer
DE102005061601A1 (de) Resonatorfilter
WO2009010537A1 (de) Hochpassfilter und verwendung
DE102016122000A1 (de) Multiplexer mit verbesserter Isolation, Modul umfassend einen Multiplexer und ein Verfahren zum Entwerfen einer Multiplexer-Topologie
DE102014102704A1 (de) Kombinierte Impedanzanpass- und HF-Filterschaltung
DE112006001884B4 (de) Elektrisches Bauelement

Legal Events

Date Code Title Description
R012 Request for examination validly filed
R082 Change of representative

Representative=s name: CBDL PATENTANWAELTE, DE

R083 Amendment of/additions to inventor(s)
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final
R082 Change of representative

Representative=s name: CBDL PATENTANWAELTE GBR, DE

Representative=s name: CBDL PATENTANWAELTE EGBR, DE