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WO2008078565A1 - 電力増幅器 - Google Patents

電力増幅器 Download PDF

Info

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
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.)
Ceased
Application number
PCT/JP2007/074011
Other languages
English (en)
French (fr)
Inventor
Shingo Yamanouchi
Kazuaki Kunihiro
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.)
NEC Corp
Original Assignee
NEC Corp
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 Corp filed Critical NEC Corp
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
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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 Ceased 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
JP2006-349724 2006-12-26
JP2006349724 2006-12-26
JP2007310899 2007-11-30
JP2007-310899 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 Ceased 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 (3)

* 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
JPWO2019026669A1 (ja) * 2017-08-04 2020-06-18 株式会社日立国際電気 無線機及び無線出力増幅方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009514329A (ja) * 2005-10-31 2009-04-02 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 無線通信システム内で信号を中継する（ｒｅｐｅａｔ）装置および方法
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
JP6468446B2 (ja) * 2014-04-04 2019-02-13 Tdk株式会社 マイクロフォンアセンブリおよびマイクロフォンアセンブリにおけるトランスデューサのパラメータを決定するための方法
US9525383B2 (en) * 2014-12-15 2016-12-20 Intel IP Corporation Apparatus and methods for a capacitive digital-to-analog converter based power amplifier
CN109716681B (zh) 2016-09-27 2021-02-12 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 (6)

* 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
JPWO2019026669A1 (ja) * 2017-08-04 2020-06-18 株式会社日立国際電気 無線機及び無線出力増幅方法

Also Published As

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

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