JP5673818B2 - 分波器 - Google Patents

分波器 Download PDF

Info

Publication number
JP5673818B2
JP5673818B2 JP2013520479A JP2013520479A JP5673818B2 JP 5673818 B2 JP5673818 B2 JP 5673818B2 JP 2013520479 A JP2013520479 A JP 2013520479A JP 2013520479 A JP2013520479 A JP 2013520479A JP 5673818 B2 JP5673818 B2 JP 5673818B2
Authority
JP
Japan
Prior art keywords
filter
band
elastic wave
pass filter
pass
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
JP2013520479A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2012172909A1 (ja
Inventor
康政 谷口
康政 谷口
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
Priority to JP2013520479A priority Critical patent/JP5673818B2/ja
Application granted granted Critical
Publication of JP5673818B2 publication Critical patent/JP5673818B2/ja
Publication of JPWO2012172909A1 publication Critical patent/JPWO2012172909A1/ja
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
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H7/463—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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6406—Filters characterised by a particular frequency characteristic
    • H03H9/6409—SAW notch 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2013520479A 2011-06-17 2012-05-16 分波器 Active JP5673818B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013520479A JP5673818B2 (ja) 2011-06-17 2012-05-16 分波器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011135092 2011-06-17
JP2011135092 2011-06-17
PCT/JP2012/062503 WO2012172909A1 (ja) 2011-06-17 2012-05-16 分波器
JP2013520479A JP5673818B2 (ja) 2011-06-17 2012-05-16 分波器

Publications (2)

Publication Number Publication Date
JP5673818B2 true JP5673818B2 (ja) 2015-02-18
JPWO2012172909A1 JPWO2012172909A1 (ja) 2015-02-23

Family

ID=47356904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013520479A Active JP5673818B2 (ja) 2011-06-17 2012-05-16 分波器

Country Status (4)

Country Link
JP (1) JP5673818B2 (de)
CN (1) CN103597744B (de)
DE (1) DE112012002502B4 (de)
WO (1) WO2012172909A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5974944B2 (ja) 2013-03-21 2016-08-23 ソニー株式会社 携帯端末
JP6629072B2 (ja) * 2014-02-10 2020-01-15 株式会社村田製作所 可変フィルタ回路および無線通信装置
TW201611552A (zh) 2014-09-09 2016-03-16 鴻海精密工業股份有限公司 訊號分離電路及前端電路
KR102576845B1 (ko) * 2015-06-03 2023-09-11 가부시키가이샤 와이솔재팬 탄성파 장치
CN109075771B (zh) * 2016-04-08 2022-08-16 谐振公司 射频滤波器，高选择性三工器和通信设备
JP6708177B2 (ja) * 2017-07-21 2020-06-10 株式会社村田製作所 高周波フィルタ、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
CN110999081B (zh) * 2017-07-25 2023-08-08 株式会社村田制作所 高频滤波器、多工器、高频前端电路以及通信装置
DE102018102832B4 (de) * 2018-02-08 2023-01-05 RF360 Europe GmbH Filterschaltung mit einem Notchfilter
DE102019210496A1 (de) * 2018-07-18 2020-01-23 Skyworks Solutions, Inc. Hybrides akustisches lc filter mit unterdrückung von harmonischen
DE102019108852B4 (de) * 2019-04-04 2021-09-09 RF360 Europe GmbH Mikroakustisches Bandsperrfilter
US11387556B2 (en) 2019-04-05 2022-07-12 Samsung Electro-Mechanics Co., Ltd. Frontend module
KR102260375B1 (ko) * 2019-04-05 2021-06-03 삼성전기주식회사 프론트 엔드 모듈

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004104799A (ja) * 2002-09-12 2004-04-02 Agilent Technol Inc フィルタ
JP2004266361A (ja) * 2003-02-14 2004-09-24 Tdk Corp フロントエンドモジュール
JP2004297369A (ja) * 2003-03-26 2004-10-21 Murata Mfg Co Ltd フィルタ回路、デュプレクサおよび通信装置
WO2010116776A1 (ja) * 2009-03-30 2010-10-14 株式会社村田製作所 弾性波フィルタ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2979962B2 (ja) 1994-06-20 1999-11-22 日本電気株式会社 障害検出システム
JP4210978B2 (ja) 2001-08-10 2009-01-21 日立金属株式会社 マルチバンドアンテナスイッチ回路及びマルチバンドアンテナスイッチ積層モジュール複合部品並びにこれを用いた通信装置
US20040227585A1 (en) * 2003-05-14 2004-11-18 Norio Taniguchi Surface acoustic wave branching filter
CN100530958C (zh) 2003-10-16 2009-08-19 京瓷株式会社 复合型分波电路、用其的芯片零件、高频模块及无线通信设备
DE102006022580B4 (de) 2006-05-15 2014-10-09 Epcos Ag Elektrisches Bauelement
EP2093881B1 (de) 2006-12-14 2018-08-15 Murata Manufacturing Co. Ltd. Elastikwellenfilteranordnung
TWI442621B (zh) 2007-01-19 2014-06-21 Murata Manufacturing Co High frequency parts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004104799A (ja) * 2002-09-12 2004-04-02 Agilent Technol Inc フィルタ
JP2004266361A (ja) * 2003-02-14 2004-09-24 Tdk Corp フロントエンドモジュール
JP2004297369A (ja) * 2003-03-26 2004-10-21 Murata Mfg Co Ltd フィルタ回路、デュプレクサおよび通信装置
WO2010116776A1 (ja) * 2009-03-30 2010-10-14 株式会社村田製作所 弾性波フィルタ

Also Published As

Publication number Publication date
DE112012002502B4 (de) 2018-06-07
JPWO2012172909A1 (ja) 2015-02-23
CN103597744A (zh) 2014-02-19
WO2012172909A1 (ja) 2012-12-20
CN103597744B (zh) 2016-09-07
DE112012002502T5 (de) 2014-05-15

Similar Documents

Publication Publication Date Title
JP5673818B2 (ja) 分波器
CN108023568B (zh) 滤波器装置、多路复用器、高频前置电路以及通信装置
CN107210733B (zh) 滤波器装置
US10284163B2 (en) Frequency-variable LC filter and high-frequency front end circuit
JP6439862B2 (ja) 高周波フィルタ、フロントエンド回路、および、通信機器
JP5429384B2 (ja) 高周波モジュール及び通信機
WO2011086717A1 (ja) マルチプレクサ
WO2014064987A1 (ja) フィルタ装置
JP5668852B2 (ja) 分波器
KR20160091279A (ko) 래더형 필터
US10700659B2 (en) Multiplexer, radio-frequency front end circuit, and communication terminal
CN107017859B (zh) 分波器
CN111164890A (zh) 高频滤波器、多路复用器、高频前端电路以及通信装置
US10439582B2 (en) Variable-frequency LC filter, high-frequency frontend module, and communication apparatus
JPWO2006040927A1 (ja) 分波器
CN109478879B (zh) 梯型频率可变滤波器、多工器、高频前端电路以及通信终端
CN110739929B (zh) 滤波器以及多路复用器
WO2017170071A1 (ja) 周波数可変フィルタ、ｒｆフロントエンド回路、および、通信端末
JPWO2006040923A1 (ja) 分波器
CN108028641B (zh) 频率可变滤波器、高频前端电路
JP6885376B2 (ja) フィルタおよびマルチプレクサ
JP2021082910A (ja) 複合フィルタ装置
CN110661507A (zh) 滤波器以及多路复用器
US12028052B2 (en) Composite filter device
WO2021006073A1 (ja) ラダー型フィルタ及び複合フィルタ装置

Legal Events

Date Code Title Description
TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20141202

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20141215

R150 Certificate of patent or registration of utility model

Ref document number: 5673818

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150