WO2008078565A1 - 電力増幅器 - Google Patents

電力増幅器 Download PDF

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Publication number
WO2008078565A1
WO2008078565A1 PCT/JP2007/074011 JP2007074011W WO2008078565A1 WO 2008078565 A1 WO2008078565 A1 WO 2008078565A1 JP 2007074011 W JP2007074011 W JP 2007074011W WO 2008078565 A1 WO2008078565 A1 WO 2008078565A1
Authority
WO
WIPO (PCT)
Prior art keywords
modulated component
amplifier
amplitude
wave signal
component
Prior art date
Application number
PCT/JP2007/074011
Other languages
English (en)
French (fr)
Inventor
Shingo Yamanouchi
Kazuaki Kunihiro
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Priority to US12/520,276 priority Critical patent/US8072261B2/en
Priority to JP2008551031A priority patent/JP5109980B2/ja
Publication of WO2008078565A1 publication Critical patent/WO2008078565A1/ja

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
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • 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
    • 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
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • 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
    • H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/324—An amplitude modulator or demodulator being used in the amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/045—Circuits with power amplifiers with means for improving efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)

Abstract

　ＥＥＲ技術もしくはＥＴ技術を適用する電力増幅器において、振幅変調成分及び位相変調成分を含む、入力信号である変調波信号から振幅変調成分を抽出し、該振幅変調成分を、積の値が該振幅変調成分と比例する２つの制御信号に分解する。そして、一方の制御信号は、高効率なアンプで増幅した後、ＲＦアンプ出力の振幅変調に用い、他方の制御信号は、パルス変調器により矩形波信号に変換した後、位相変調成分または変調波信号とミキシングしてＲＦアンプへ入力する。
PCT/JP2007/074011 2006-12-26 2007-12-13 電力増幅器 WO2008078565A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/520,276 US8072261B2 (en) 2006-12-26 2007-12-13 Power amplifier
JP2008551031A JP5109980B2 (ja) 2006-12-26 2007-12-13 電力増幅器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006349724 2006-12-26
JP2006-349724 2006-12-26
JP2007-310899 2007-11-30
JP2007310899 2007-11-30

Publications (1)

Publication Number Publication Date
WO2008078565A1 true WO2008078565A1 (ja) 2008-07-03

Family

ID=39562359

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074011 WO2008078565A1 (ja) 2006-12-26 2007-12-13 電力増幅器

Country Status (3)

Country Link
US (1) US8072261B2 (ja)
JP (1) JP5109980B2 (ja)
WO (1) WO2008078565A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010044346A1 (ja) * 2008-10-16 2010-04-22 日本電気株式会社 電力増幅器
WO2011001576A1 (ja) * 2009-07-01 2011-01-06 パナソニック株式会社 送信回路及び通信機器

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8320825B2 (en) * 2005-10-31 2012-11-27 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for repeating a signal in a wireless communication system
GB2465146B (en) * 2008-11-04 2014-05-28 Nujira Ltd Improved power supply stage
US8929484B2 (en) * 2011-07-20 2015-01-06 Earl W. McCune, Jr. Communications transmitter having high-efficiency combination modulator
US9955273B2 (en) * 2014-04-04 2018-04-24 Tdk Corporation Microphone assembly and method for determining parameters of a transducer in a microphone assembly
US9525383B2 (en) * 2014-12-15 2016-12-20 Intel IP Corporation Apparatus and methods for a capacitive digital-to-analog converter based power amplifier
WO2018058323A1 (zh) * 2016-09-27 2018-04-05 华为技术有限公司 功率放大器、射频拉远单元及基站

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002530917A (ja) * 1998-11-18 2002-09-17 エリクソン インコーポレイテッド 電力増幅器における振幅変調を線形化するための回路および方法
JP2005513943A (ja) * 2001-12-24 2005-05-12 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 電力増幅器
JP2005269440A (ja) * 2004-03-19 2005-09-29 Matsushita Electric Ind Co Ltd ポーラ変調送信装置及びポーラ変調方法
JP2005295523A (ja) * 2004-03-09 2005-10-20 Matsushita Electric Ind Co Ltd 送信装置及び無線通信装置
JP2006093872A (ja) * 2004-09-21 2006-04-06 Matsushita Electric Ind Co Ltd Ｅｅｒ変調増幅装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6256482B1 (en) * 1997-04-07 2001-07-03 Frederick H. Raab Power- conserving drive-modulation method for envelope-elimination-and-restoration (EER) transmitters
JP3841416B2 (ja) 2003-10-07 2006-11-01 松下電器産業株式会社 送信装置、送信出力制御方法、および無線通信装置
JP4518968B2 (ja) 2004-01-26 2010-08-04 パナソニック株式会社 送信回路
US7363014B2 (en) 2004-03-09 2008-04-22 Matsushita Electric Industrial Co., Ltd. Transmitting apparatus and radio communication apparatus
JP2006135422A (ja) 2004-11-02 2006-05-25 Matsushita Electric Ind Co Ltd 送信回路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002530917A (ja) * 1998-11-18 2002-09-17 エリクソン インコーポレイテッド 電力増幅器における振幅変調を線形化するための回路および方法
JP2005513943A (ja) * 2001-12-24 2005-05-12 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 電力増幅器
JP2005295523A (ja) * 2004-03-09 2005-10-20 Matsushita Electric Ind Co Ltd 送信装置及び無線通信装置
JP2005269440A (ja) * 2004-03-19 2005-09-29 Matsushita Electric Ind Co Ltd ポーラ変調送信装置及びポーラ変調方法
JP2006093872A (ja) * 2004-09-21 2006-04-06 Matsushita Electric Ind Co Ltd Ｅｅｒ変調増幅装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010044346A1 (ja) * 2008-10-16 2010-04-22 日本電気株式会社 電力増幅器
US8198950B2 (en) 2008-10-16 2012-06-12 Nec Corporation Power amplifier
JP5472115B2 (ja) * 2008-10-16 2014-04-16 日本電気株式会社 電力増幅器
WO2011001576A1 (ja) * 2009-07-01 2011-01-06 パナソニック株式会社 送信回路及び通信機器
US8396432B2 (en) 2009-07-01 2013-03-12 Panasonic Corporation Transmitter circuit and communication apparatus

Also Published As

Publication number Publication date
US8072261B2 (en) 2011-12-06
JPWO2008078565A1 (ja) 2010-04-22
JP5109980B2 (ja) 2012-12-26
US20090315620A1 (en) 2009-12-24

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