ATE388516T1 - Doherty-verstärker - Google Patents

Doherty-verstärker

Info

Publication number
ATE388516T1
ATE388516T1 AT05729249T AT05729249T ATE388516T1 AT E388516 T1 ATE388516 T1 AT E388516T1 AT 05729249 T AT05729249 T AT 05729249T AT 05729249 T AT05729249 T AT 05729249T AT E388516 T1 ATE388516 T1 AT E388516T1
Authority
AT
Austria
Prior art keywords
output
amplifier
main
auxiliary
paired
Prior art date
Application number
AT05729249T
Other languages
English (en)
Inventor
Christopher Ian Mobbs
Original Assignee
Filtronic Plc
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 Filtronic Plc filed Critical Filtronic Plc
Application granted granted Critical
Publication of ATE388516T1 publication Critical patent/ATE388516T1/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
    • H03F1/0205—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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT05729249T 2004-03-13 2005-03-11 Doherty-verstärker ATE388516T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0405724A GB2412515B (en) 2004-03-13 2004-03-13 A doherty amplifier

Publications (1)

Publication Number Publication Date
ATE388516T1 true ATE388516T1 (de) 2008-03-15

Family

ID=32117659

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05729249T ATE388516T1 (de) 2004-03-13 2005-03-11 Doherty-verstärker

Country Status (10)

Country Link
US (1) US7301395B2 (de)
EP (1) EP1726090B1 (de)
JP (1) JP2007529937A (de)
CN (1) CN100527600C (de)
AT (1) ATE388516T1 (de)
CA (1) CA2559780A1 (de)
DE (1) DE602005005176T2 (de)
ES (1) ES2301001T3 (de)
GB (1) GB2412515B (de)
WO (1) WO2005088830A1 (de)

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US20080122542A1 (en) * 2006-11-27 2008-05-29 Gregory Bowles Enhanced amplifier with auxiliary path bias modulation
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US8102206B2 (en) * 2009-05-08 2012-01-24 Analog Devices, Inc. Multi-path, multi-stage feed-forward operational amplifier circuit
CN101582682B (zh) * 2009-06-12 2011-12-28 华为技术有限公司 一种功率放大器和发射机
KR101709347B1 (ko) * 2009-12-16 2017-03-09 삼성전자주식회사 결합셀 도허티 전력 증폭 장치 및 방법
US9484613B1 (en) * 2010-01-29 2016-11-01 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Ka-band waveguide 2-way hybrid combiner for MMIC amplifiers with unequal and arbitrary power output ratio
US8400216B2 (en) 2010-11-05 2013-03-19 Postech Academy-Industry Foundation 3-way Doherty power amplifier using driving amplifier
CN102142812B (zh) * 2010-12-17 2013-08-28 华为技术有限公司 Doherty功率放大器
DE102011002238A1 (de) * 2011-04-21 2012-10-25 Rheinisch-Westfälische Technische Hochschule Aachen Lineare Verstärkeranordnung für hochfrequente Signale
CN102170269A (zh) * 2011-04-29 2011-08-31 中兴通讯股份有限公司 功率放大装置及功放电路
JP5599364B2 (ja) * 2011-05-06 2014-10-01 三菱電機株式会社 ドハティ増幅器
WO2011127868A2 (zh) * 2011-05-30 2011-10-20 华为技术有限公司 一种多赫尔提doherty功率放大器以及信号处理方法
CN102332875B (zh) * 2011-08-11 2014-05-21 电子科技大学 一种宽带高效率Doherty功率放大器
US8536939B2 (en) 2011-11-09 2013-09-17 Analog Devices, Inc. Cross-coupled multipath feedforward operational amplifiers
US8718580B2 (en) * 2011-11-11 2014-05-06 Hbc Solutions, Inc. Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance
US8670732B2 (en) 2011-11-11 2014-03-11 Hbc Solutions, Inc. Broadband amplifier system using a 3dB quadrature combiner to dynamically modulate load impedance
CN102427332B (zh) * 2011-11-28 2015-04-08 华为技术有限公司 Doherty功率放大器及提高其功放效率的方法、设备
WO2013086658A1 (en) * 2011-12-15 2013-06-20 Telefonaktiebolaget L M Ericsson (Publ) Doherty power amplification apparatus and method
ITMI20120195A1 (it) * 2012-02-13 2013-08-14 St Microelectronics Srl Metodo di controllo di un display elettroluminescente e relativo circuito di controllo
JP2013172174A (ja) * 2012-02-17 2013-09-02 Nec Corp 電力増幅器及び送信システム
ITMI20130035A1 (it) * 2013-01-14 2014-07-15 Com Tech Italia S P A Circuito amplificatore di potenza per radiofrequenze ad alta efficienza
CN105229921A (zh) * 2013-08-21 2016-01-06 华为技术有限公司 平衡式Doherty功率放大器电路和无线发射机
US9641138B2 (en) 2015-04-09 2017-05-02 Analog Devices, Inc. Multipath feedforward band pass amplifier
US9843291B2 (en) * 2015-08-07 2017-12-12 Qualcomm Incorporated Cascaded switch between pluralities of LNAS
CN108206674B (zh) * 2016-12-19 2021-10-29 中国科学院苏州纳米技术与纳米仿生研究所 带缺陷地结构的Doherty放大器
US11233483B2 (en) 2017-02-02 2022-01-25 Macom Technology Solutions Holdings, Inc. 90-degree lumped and distributed Doherty impedance inverter
US11050389B2 (en) 2017-04-24 2021-06-29 Macom Technology Solutions Holdings, Inc. Inverted Doherty power amplifier with large RF and instantaneous bandwidths
WO2018197918A1 (en) 2017-04-24 2018-11-01 Macom Technology Solutions Holdings, Inc. Improved efficiency, symmetrical doherty power amplifier
WO2018197917A1 (en) 2017-04-24 2018-11-01 Macom Technology Solutions Holdings, Inc. Inverted doherty power amplifier with large rf fractional and instantaneous bandwiths
EP3692631A1 (de) * 2017-10-02 2020-08-12 MACOM Technology Solutions Holdings, Inc. Hocheffizienter leistungsverstärker mit nulllastmodulation
WO2019103899A1 (en) 2017-11-27 2019-05-31 Skyworks Solutions, Inc. Wideband power combiner and splitter
US10554177B2 (en) 2017-11-27 2020-02-04 Skyworks Solutions, Inc. Quadrature combined doherty amplifiers
JP7307532B2 (ja) * 2018-09-14 2023-07-12 株式会社東芝 増幅回路および送信装置
CN112640298A (zh) 2018-10-05 2021-04-09 镁可微波技术有限公司 低负载调制功率放大器
JP6816179B2 (ja) * 2019-02-08 2021-01-20 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 無線周波数回路、送信器、基地局、及びユーザ端末
US11146223B2 (en) * 2019-07-01 2021-10-12 Raytheon Company High power radio frequency (RF) amplifiers
CN110504926B (zh) * 2019-08-28 2023-03-28 重庆大学 一种多带Doherty功率放大器
US11888448B2 (en) 2019-12-30 2024-01-30 Macom Technology Solutions Holdings, Inc. Low-load-modulation broadband amplifier
WO2022091955A1 (ja) * 2020-10-27 2022-05-05 株式会社村田製作所 電力増幅回路

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JP3542116B2 (ja) * 2000-09-29 2004-07-14 ユーディナデバイス株式会社 高周波回路
SE521268C2 (sv) * 2001-05-18 2003-10-14 Ericsson Telefon Ab L M Sammansatt förstärkare med optimerad linjäritet och effektivitet
US6653896B2 (en) * 2001-11-30 2003-11-25 Tropian, Inc. Differential rf/microwave power amplifier using independent synchronized polar modulators
US6700444B2 (en) * 2002-01-28 2004-03-02 Cree Microwave, Inc. N-way RF power amplifier with increased backoff power and power added efficiency
KR100553252B1 (ko) * 2002-02-01 2006-02-20 아바고테크놀로지스코리아 주식회사 휴대용 단말기의 전력 증폭 장치
DE60231065D1 (de) * 2002-12-19 2009-03-19 Ericsson Telefon Ab L M Zusammengesetzte verstärkerstruktur
KR101123505B1 (ko) * 2003-03-28 2012-03-12 앤드류 엘엘씨 고 효율 증폭기 및 그의 설계 방법
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Also Published As

Publication number Publication date
EP1726090B1 (de) 2008-03-05
WO2005088830A1 (en) 2005-09-22
ES2301001T3 (es) 2008-06-16
GB2412515A (en) 2005-09-28
CN1943106A (zh) 2007-04-04
CN100527600C (zh) 2009-08-12
JP2007529937A (ja) 2007-10-25
DE602005005176D1 (de) 2008-04-17
EP1726090A1 (de) 2006-11-29
GB0405724D0 (en) 2004-04-21
CA2559780A1 (en) 2005-09-22
US20070205827A1 (en) 2007-09-06
DE602005005176T2 (de) 2009-02-26
GB2412515B (en) 2007-08-08
US7301395B2 (en) 2007-11-27

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