WO2008090721A1 - 電力増幅器 - Google Patents

電力増幅器 Download PDF

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Publication number
WO2008090721A1
WO2008090721A1 PCT/JP2007/075266 JP2007075266W WO2008090721A1 WO 2008090721 A1 WO2008090721 A1 WO 2008090721A1 JP 2007075266 W JP2007075266 W JP 2007075266W WO 2008090721 A1 WO2008090721 A1 WO 2008090721A1
Authority
WO
WIPO (PCT)
Prior art keywords
amplifier
converter
signal
power
high frequency
Prior art date
Application number
PCT/JP2007/075266
Other languages
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 US12/523,576 priority Critical patent/US7965140B2/en
Priority to JP2008554991A priority patent/JP5131201B2/ja
Publication of WO2008090721A1 publication Critical patent/WO2008090721A1/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
    • 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
    • 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
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/341—Muting when no signals or only weak signals are present

Abstract

　高周波変調信号から抽出した包絡線信号をパルス変調するＡＤ変換器と、ＡＤ変換器の出力信号を増幅するスイッチングアンプと、スイッチングアンプ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と、スイッチングアンプの電源電圧を制御する電圧制御装置と、包絡線が一定な位相変調信号を増幅し、ローパスフィルタの出力を電源とする高周波増幅器とを備える。ＡＤ変換器の入力ダイナミックレンジが最も有効に利用できるようにＡＤ変換器に入力する包絡線信号の平均電力を一定な値とする。また、電力増幅器の出力信号の平均電力をスイッチングアンプへ供給する電源電圧によって調整する。
PCT/JP2007/075266 2007-01-24 2007-12-28 電力増幅器 WO2008090721A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/523,576 US7965140B2 (en) 2007-01-24 2007-12-28 Power amplifier
JP2008554991A JP5131201B2 (ja) 2007-01-24 2007-12-28 電力増幅器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007013738 2007-01-24
JP2007-013738 2007-01-24

Publications (1)

Publication Number Publication Date
WO2008090721A1 true WO2008090721A1 (ja) 2008-07-31

Family

ID=39644296

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/075266 WO2008090721A1 (ja) 2007-01-24 2007-12-28 電力増幅器

Country Status (3)

Country Link
US (1) US7965140B2 (ja)
JP (1) JP5131201B2 (ja)
WO (1) WO2008090721A1 (ja)

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* Cited by examiner, † Cited by third party
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JP2011101111A (ja) * 2009-11-04 2011-05-19 Mitsubishi Electric Corp 増幅装置
WO2011058709A1 (ja) * 2009-11-10 2011-05-19 パナソニック株式会社 送信回路及び通信機器
JP2011172060A (ja) * 2010-02-19 2011-09-01 Mitsubishi Electric Corp 増幅装置
JP2011205181A (ja) * 2010-03-24 2011-10-13 Toshiba Corp 電力増幅器及び半導体集積回路
WO2012014395A1 (ja) * 2010-07-27 2012-02-02 株式会社日立国際電気 増幅装置
JP2012521701A (ja) * 2009-03-24 2012-09-13 アルカテル−ルーセント 包絡線除去および復元増幅器を使用するデータ伝送の方法、そのための包絡線除去および復元増幅器［ＭＳＯｆｆｉｃｅ１］、送信デバイス、受信デバイス、ならびに通信ネットワーク
JP2013172160A (ja) * 2012-02-17 2013-09-02 Toshiba Corp 電力増幅装置
JP5349679B2 (ja) * 2010-03-04 2013-11-20 三菱電機株式会社 送信モジュールおよびフェーズドアレイアンテナ装置
KR20150065853A (ko) * 2012-10-11 2015-06-15 퀄컴 인코포레이티드 비선형 전력 증폭기에 대한 신호 특성들을 예측하기 위한 방법 및 장치

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Cited By (15)

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Publication number Priority date Publication date Assignee Title
JP2012521701A (ja) * 2009-03-24 2012-09-13 アルカテル−ルーセント 包絡線除去および復元増幅器を使用するデータ伝送の方法、そのための包絡線除去および復元増幅器［ＭＳＯｆｆｉｃｅ１］、送信デバイス、受信デバイス、ならびに通信ネットワーク
JP2011101111A (ja) * 2009-11-04 2011-05-19 Mitsubishi Electric Corp 増幅装置
WO2011058709A1 (ja) * 2009-11-10 2011-05-19 パナソニック株式会社 送信回路及び通信機器
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KR102118210B1 (ko) * 2012-10-11 2020-06-02 퀄컴 인코포레이티드 비선형 전력 증폭기에 대한 신호 특성들을 예측하기 위한 방법 및 장치

Also Published As

Publication number Publication date
US20100019840A1 (en) 2010-01-28
US7965140B2 (en) 2011-06-21
JP5131201B2 (ja) 2013-01-30
JPWO2008090721A1 (ja) 2010-05-13

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