DE602004001616D1 - Hocheffizienter, linearer Leistungsverstärker - Google Patents

Hocheffizienter, linearer Leistungsverstärker

Info

Publication number
DE602004001616D1
DE602004001616D1 DE602004001616T DE602004001616T DE602004001616D1 DE 602004001616 D1 DE602004001616 D1 DE 602004001616D1 DE 602004001616 T DE602004001616 T DE 602004001616T DE 602004001616 T DE602004001616 T DE 602004001616T DE 602004001616 D1 DE602004001616 D1 DE 602004001616D1
Authority
DE
Germany
Prior art keywords
power amplifier
highly efficient
linear power
linear
efficient
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.)
Expired - Lifetime
Application number
DE602004001616T
Other languages
English (en)
Other versions
DE602004001616T2 (de
Inventor
Yasunori Suzuki
Shinji Mizuta
Tetsuo Hirota
Yasushi Yamao
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE602004001616D1 publication Critical patent/DE602004001616D1/de
Application granted granted Critical
Publication of DE602004001616T2 publication Critical patent/DE602004001616T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/393—A measuring circuit being coupled to the output of an amplifier
DE602004001616T 2003-03-24 2004-03-24 Hocheffizienter, linearer Leistungsverstärker Expired - Lifetime DE602004001616T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003079283 2003-03-24
JP2003079283A JP4033794B2 (ja) 2003-03-24 2003-03-24 高効率線形電力増幅器

Publications (2)

Publication Number Publication Date
DE602004001616D1 true DE602004001616D1 (de) 2006-09-07
DE602004001616T2 DE602004001616T2 (de) 2007-07-26

Family

ID=32821408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004001616T Expired - Lifetime DE602004001616T2 (de) 2003-03-24 2004-03-24 Hocheffizienter, linearer Leistungsverstärker

Country Status (5)

Country Link
US (1) US7042283B2 (de)
EP (1) EP1463198B1 (de)
JP (1) JP4033794B2 (de)
CN (1) CN1272903C (de)
DE (1) DE602004001616T2 (de)

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US7266159B2 (en) 2002-03-08 2007-09-04 Andrew Corporation Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks
US7197085B1 (en) 2002-03-08 2007-03-27 Andrew Corporation Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
US7139327B2 (en) 2002-06-10 2006-11-21 Andrew Corporation Digital pre-distortion of input signals for reducing spurious emissions in communication networks
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CN100576724C (zh) * 2005-05-18 2009-12-30 株式会社Ntt都科摩 幂级数型前置补偿器及其控制方法
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US9548775B2 (en) * 2007-09-06 2017-01-17 Francis J. Smith Mitigation of transmitter passive and active intermodulation products in real and continuous time in the transmitter and co-located receiver
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JP5206526B2 (ja) * 2009-03-19 2013-06-12 富士通株式会社 増幅装置および送信装置
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CN101640516B (zh) * 2009-08-21 2012-09-26 京信通信系统（中国）有限公司 一种数字预失真功率放大器及其处理信号的方法
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Also Published As

Publication number Publication date
EP1463198B1 (de) 2006-07-26
JP2004289504A (ja) 2004-10-14
EP1463198A3 (de) 2005-06-01
US20040189378A1 (en) 2004-09-30
CN1533028A (zh) 2004-09-29
CN1272903C (zh) 2006-08-30
DE602004001616T2 (de) 2007-07-26
JP4033794B2 (ja) 2008-01-16
EP1463198A2 (de) 2004-09-29
US7042283B2 (en) 2006-05-09

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