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WO2009060652A1 - 電力増幅器およびこれを備える電波送信機 - Google Patents

電力増幅器およびこれを備える電波送信機 Download PDF

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Publication number
WO2009060652A1
WO2009060652A1 PCT/JP2008/064975 JP2008064975W WO2009060652A1 WO 2009060652 A1 WO2009060652 A1 WO 2009060652A1 JP 2008064975 W JP2008064975 W JP 2008064975W WO 2009060652 A1 WO2009060652 A1 WO 2009060652A1
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WO
WIPO (PCT)
Prior art keywords
signal
power
frequency
output signal
power amplifier
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Application number
PCT/JP2008/064975
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English (en)
French (fr)
Inventor
Kiyohiko Takahashi
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 US12/740,871 priority Critical patent/US8254496B2/en
Priority to JP2009539978A priority patent/JP5126234B2/ja
Publication of WO2009060652A1 publication Critical patent/WO2009060652A1/ja

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    • 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
    • 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
    • H03F1/02—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
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • 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
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/004—Control by varying the supply voltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21136—An input signal of a power amplifier being on/off switched
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21142—Output signals of a plurality of power amplifiers are parallel combined to a common output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21196—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers the supply voltage of a power amplifier being switchable controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7215—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch at the input of the amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7236—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers by (a ) switch(es)

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

　本発明の電力増幅器（１０）は、高周波変調信号に含まれる、当該高周波変調信号の振幅変調成分のみを含む包絡線信号を時間離散信号に変換するＡＤ変換器（１１）と、ＡＤ変換器（１１）の出力信号を増幅するスイッチングアンプ（１２）と、スイッチングアンプ（１２）の出力信号から高周波ノイズを除去するローパスフィルタ（１３）と、ローパスフィルタ（１３）の出力信号が電源として供給され、高周波変調信号に含まれる搬送波信号を増幅するための複数の高周波電力増幅器（１５－１～１５－ｎ）と、複数の高周波電力増幅器（１５－１～１５－ｎ）の総利得を制御することで、電力増幅器（１０）の出力信号の平均電力を調整する電力制御部（１４）と、を有する。
PCT/JP2008/064975 2007-11-05 2008-08-22 電力増幅器およびこれを備える電波送信機 WO2009060652A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/740,871 US8254496B2 (en) 2007-11-05 2008-08-22 Power amplifier and radio wave transmitter having the same
JP2009539978A JP5126234B2 (ja) 2007-11-05 2008-08-22 電力増幅器およびこれを備える電波送信機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-287282 2007-11-05
JP2007287282 2007-11-05

Publications (1)

Publication Number Publication Date
WO2009060652A1 true WO2009060652A1 (ja) 2009-05-14

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Country Link
US (1) US8254496B2 (ja)
JP (1) JP5126234B2 (ja)
WO (1) WO2009060652A1 (ja)

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GB2476388A (en) * 2009-12-21 2011-06-22 Ubidyne Inc An envelope tracking power supply circuit for an active antenna array
WO2011158466A1 (ja) * 2010-06-16 2011-12-22 パナソニック株式会社 高周波増幅器
JP2014241538A (ja) * 2013-06-12 2014-12-25 株式会社東芝 送信装置
JP2015144424A (ja) * 2013-12-25 2015-08-06 パナソニック株式会社 送信装置及び送信方法
WO2023120086A1 (ja) * 2021-12-21 2023-06-29 株式会社村田製作所 高周波回路、トラッキング回路及び電力増幅回路

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2476388A (en) * 2009-12-21 2011-06-22 Ubidyne Inc An envelope tracking power supply circuit for an active antenna array
GB2476388B (en) * 2009-12-21 2016-04-06 Kathrein Werke Kg Common envelope signal for an active antenna array
WO2011158466A1 (ja) * 2010-06-16 2011-12-22 パナソニック株式会社 高周波増幅器
JP2012004821A (ja) * 2010-06-16 2012-01-05 Panasonic Corp 高周波増幅器
JP2014241538A (ja) * 2013-06-12 2014-12-25 株式会社東芝 送信装置
JP2015144424A (ja) * 2013-12-25 2015-08-06 パナソニック株式会社 送信装置及び送信方法
WO2023120086A1 (ja) * 2021-12-21 2023-06-29 株式会社村田製作所 高周波回路、トラッキング回路及び電力増幅回路

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