ATE518298T1 - Verstärkervorrichtung - Google Patents

Verstärkervorrichtung

Info

Publication number
ATE518298T1
ATE518298T1 AT07742094T AT07742094T ATE518298T1 AT E518298 T1 ATE518298 T1 AT E518298T1 AT 07742094 T AT07742094 T AT 07742094T AT 07742094 T AT07742094 T AT 07742094T AT E518298 T1 ATE518298 T1 AT E518298T1
Authority
AT
Austria
Prior art keywords
amplifier
circuit constant
satisfy
accordance
condition
Prior art date
Application number
AT07742094T
Other languages
English (en)
Inventor
Yousuke Okazaki
Hiroaki Maeda
Takashi Ono
Hirotake Honda
Yoshinobu Shizawa
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of ATE518298T1 publication Critical patent/ATE518298T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • H03F1/07—Doherty-type amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2176—Class E amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/378—A variable capacitor being added in the output circuit, e.g. collector, drain, of an amplifier stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/465—Power sensing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Eye Examination Apparatus (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
AT07742094T 2007-04-20 2007-04-20 Verstärkervorrichtung ATE518298T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/058659 WO2008136080A1 (ja) 2007-04-20 2007-04-20 増幅装置

Publications (1)

Publication Number Publication Date
ATE518298T1 true ATE518298T1 (de) 2011-08-15

Family

ID=39943203

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07742094T ATE518298T1 (de) 2007-04-20 2007-04-20 Verstärkervorrichtung

Country Status (7)

Country Link
US (1) US7786797B2 (de)
EP (1) EP2141798B1 (de)
JP (1) JP4941553B2 (de)
KR (1) KR101146051B1 (de)
CN (1) CN101669281B (de)
AT (1) ATE518298T1 (de)
WO (1) WO2008136080A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7872543B2 (en) * 2008-06-05 2011-01-18 Qualcomm, Incorporated Bi-polar modulator
JP5705122B2 (ja) * 2009-10-23 2015-04-22 日本碍子株式会社 ドハティ増幅器用合成器
EP2323253A1 (de) * 2009-10-26 2011-05-18 Alcatel Lucent Doherty-Leistungsverstärker
WO2011070952A1 (ja) * 2009-12-08 2011-06-16 日本電気株式会社 送信装置
EP2339745A1 (de) * 2009-12-15 2011-06-29 Nxp B.V. Doherty-Verstärker
KR101101515B1 (ko) * 2010-02-03 2012-01-05 삼성전기주식회사 전력 증폭기
US8183929B2 (en) * 2010-04-09 2012-05-22 Viasat, Inc. Multi-chip doherty amplifier with integrated power detection
KR101170634B1 (ko) 2010-11-25 2012-08-02 주식회사 에이스테크놀로지 다중대역 스위칭 도허티 증폭기
WO2013019819A2 (en) * 2011-07-31 2013-02-07 The Regents Of The University Of California Zero-voltage-switching contour based outphasing power amplifier
JP5780879B2 (ja) * 2011-08-09 2015-09-16 株式会社東芝 電力増幅器及び送電装置
WO2013098639A1 (en) * 2011-12-29 2013-07-04 Alcatel Lucent Bandwidth-extended doherty power amplifier
US8981850B2 (en) * 2012-08-02 2015-03-17 Telefonaktiebolaget L M Ericsson (Publ) Multi-frequency multi-standard reconfigurable doherty amplifier
CN202818232U (zh) * 2012-09-18 2013-03-20 中兴通讯股份有限公司 一种Doherty功放电路
US9035703B2 (en) * 2012-12-17 2015-05-19 Qualcomm Incorporated Tunable wide band driver amplifier
WO2014170955A1 (ja) * 2013-04-16 2014-10-23 三菱電機株式会社 高効率電力増幅器
US9154094B2 (en) * 2013-05-21 2015-10-06 Telefonaktiebolaget L M Ericsson (Publ) Efficient power amplification over large operating average power range
US9385669B2 (en) * 2014-06-23 2016-07-05 Texas Instruments Incorporated Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method
CN106257827B (zh) * 2015-06-17 2020-08-18 南京中兴新软件有限责任公司 对称多赫蒂Doherty功放电路装置及功率放大器
CN105048971B (zh) * 2015-09-11 2019-03-08 上海无线电设备研究所 基于开关谐振结构的高效率Doherty功率放大器实现方法
US9923530B2 (en) 2015-11-25 2018-03-20 Mediatek Inc. Matching network circuit and radio-frequency power amplifier with odd harmonic rejection and even harmonic rejection and method of adjusting symmetry of differential signals
WO2018084889A1 (en) 2016-11-02 2018-05-11 Peregrine Semiconductor Corporation Mismatch detection using replica circuit
JP6944108B2 (ja) * 2017-08-23 2021-10-06 富士通株式会社 検波回路及び無線通信装置
US10389311B1 (en) * 2018-01-31 2019-08-20 Qorvo Us, Inc. Load modulation amplifier
US11043921B2 (en) * 2018-07-20 2021-06-22 Qorvo Us, Inc. Doherty amplifier system
US11374543B2 (en) * 2019-09-04 2022-06-28 Skyworks Solutions, Inc. Amplifier system with reduced voltage swing
US11201593B2 (en) 2019-12-11 2021-12-14 Qorvo Us, Inc. Doherty power amplifier system
KR20210090429A (ko) * 2020-01-10 2021-07-20 삼성전자주식회사 광대역 rf 신호를 처리하는 증폭기 회로를 포함하는 전자 장치
US11522497B2 (en) * 2020-05-26 2022-12-06 Nxp Usa, Inc. Doherty amplifier incorporating output matching network with integrated passive devices
CN113872536A (zh) * 2021-09-28 2021-12-31 浙江信唐智芯科技有限公司 基于同步控制的功率放大器及具有该放大器的通信设备
US12470175B2 (en) 2021-10-11 2025-11-11 Qorvo Us, Inc. Autonomous analog orthogonal load modulation power amplifier
CN116566342B (zh) * 2023-05-19 2024-12-27 深圳飞骧科技股份有限公司 自适应调整阻抗电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3393900B2 (ja) * 1993-11-17 2003-04-07 森 真作 シャントｌ−ｃ共振回路を挿入したｅ級増幅器
US5786727A (en) * 1996-10-15 1998-07-28 Motorola, Inc. Multi-stage high efficiency linear power amplifier and method therefor
US6232841B1 (en) * 1999-07-01 2001-05-15 Rockwell Science Center, Llc Integrated tunable high efficiency power amplifier
US6472934B1 (en) * 2000-12-29 2002-10-29 Ericsson Inc. Triple class E Doherty amplifier topology for high efficiency signal transmitters
JP4183941B2 (ja) * 2001-12-13 2008-11-19 株式会社エヌ・ティ・ティ・ドコモ 高効率増幅器
JP4536468B2 (ja) * 2004-09-21 2010-09-01 パナソニック株式会社 Ｅ級増幅器、及びｅｅｒ変調増幅装置
JP4541113B2 (ja) * 2004-11-19 2010-09-08 パナソニック株式会社 ドハティアンプ
JP2006340166A (ja) * 2005-06-03 2006-12-14 Nippon Dengyo Kosaku Co Ltd 歪補償増幅器

Also Published As

Publication number Publication date
EP2141798A1 (de) 2010-01-06
US20100033243A1 (en) 2010-02-11
KR101146051B1 (ko) 2012-05-14
JPWO2008136080A1 (ja) 2010-07-29
WO2008136080A1 (ja) 2008-11-13
JP4941553B2 (ja) 2012-05-30
CN101669281B (zh) 2012-03-21
CN101669281A (zh) 2010-03-10
EP2141798A4 (de) 2010-11-17
EP2141798B1 (de) 2011-07-27
KR20100005129A (ko) 2010-01-13
US7786797B2 (en) 2010-08-31

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Legal Events

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