SG54263A1 - Output-controlled power amplifier radio communication terminal and radio communication base station - Google Patents

Output-controlled power amplifier radio communication terminal and radio communication base station

Info

Publication number
SG54263A1
SG54263A1 SG1996006622A SG1996006622A SG54263A1 SG 54263 A1 SG54263 A1 SG 54263A1 SG 1996006622 A SG1996006622 A SG 1996006622A SG 1996006622 A SG1996006622 A SG 1996006622A SG 54263 A1 SG54263 A1 SG 54263A1
Authority
SG
Singapore
Prior art keywords
radio communication
base station
output
power amplifier
controlled power
Prior art date
Application number
SG1996006622A
Other languages
English (en)
Inventor
Ken Takei
Takashi Sakai
Yoshinori Nagoya
Original Assignee
Hitachi Ltd
Ishida Yuji
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 Hitachi Ltd, Ishida Yuji filed Critical Hitachi Ltd
Publication of SG54263A1 publication Critical patent/SG54263A1/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
SG1996006622A 1995-03-31 1996-03-30 Output-controlled power amplifier radio communication terminal and radio communication base station SG54263A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07548795A JP3223750B2 (ja) 1995-03-31 1995-03-31 出力制御電力増幅器、無線通信端末及び無線通信基地局

Publications (1)

Publication Number Publication Date
SG54263A1 true SG54263A1 (en) 1998-11-16

Family

ID=13577704

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996006622A SG54263A1 (en) 1995-03-31 1996-03-30 Output-controlled power amplifier radio communication terminal and radio communication base station

Country Status (7)

Country Link
US (1) US5854971A (zh)
JP (1) JP3223750B2 (zh)
KR (1) KR100247079B1 (zh)
CN (1) CN1111954C (zh)
GB (1) GB2299470B (zh)
HK (3) HK1004451A1 (zh)
SG (1) SG54263A1 (zh)

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US6297709B1 (en) * 1999-07-14 2001-10-02 Nokia Telecommunications Oy Temperature compensated variable attenuator
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WO2002011349A2 (en) * 2000-07-28 2002-02-07 Harris Corporation Successive log video pad power detector and method
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US6759902B2 (en) * 2002-03-25 2004-07-06 Andrew Corporation Single-detector automatic gain control circuit
US7551688B2 (en) * 2002-04-18 2009-06-23 Nokia Corporation Waveforms for envelope tracking transmitter
US7242728B2 (en) * 2002-05-24 2007-07-10 Anritsu Corporation Quadrature modulator carrier quadrature error detection method and quadrature modulation device
GB0212740D0 (en) * 2002-05-31 2002-07-10 Hitachi Ltd Transmitter and wireless communication apparatus using the transmitter
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US20040125759A1 (en) * 2002-12-27 2004-07-01 Yochem Donald M. Method and mobile station for operating in accordance with a discontinuous transmission mode
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JP4553696B2 (ja) * 2004-11-25 2010-09-29 パナソニック株式会社 送信機
JP4535056B2 (ja) * 2006-10-26 2010-09-01 三菱電機株式会社 無線通信装置
WO2008103375A2 (en) * 2007-02-19 2008-08-28 Mobileaccess Networks Ltd. Method and system for improving uplink performance
WO2009028015A1 (ja) * 2007-08-31 2009-03-05 Fujitsu Limited 移動通信装置
US7768353B2 (en) * 2008-06-13 2010-08-03 Samsung Electro-Mechanics Company, Ltd. Systems and methods for switching mode power amplifier control
US8483633B2 (en) 2010-07-23 2013-07-09 Motorola Solutions, Inc. Method and apparatus for alarming in a power supply modulated system
US8417199B2 (en) 2010-07-23 2013-04-09 Motorola Solutions, Inc. Method and apparatus for improving efficiency in a power supply modulated system
US8836322B2 (en) * 2011-02-23 2014-09-16 General Electric Company Method and system of a sensor interface having dynamic automatic gain control dependent on speed
CN102570999A (zh) * 2011-12-26 2012-07-11 苏州云芯微电子科技有限公司 基于共模反馈的可变增益自适应偏置功率放大器
US10014886B2 (en) 2015-12-30 2018-07-03 Skyworks Solutions, Inc. Reducing power amplifier gain drift during a data burst
CN107369922B (zh) * 2016-05-12 2023-04-07 上海汽车集团股份有限公司 Bd/gps双输出天线装置
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Also Published As

Publication number Publication date
JP3223750B2 (ja) 2001-10-29
KR960036382A (ko) 1996-10-28
CN1144422A (zh) 1997-03-05
KR100247079B1 (ko) 2000-03-15
HK1009214A1 (en) 1999-05-28
GB2299470B (en) 1999-06-09
HK1004503A1 (en) 1998-11-27
CN1111954C (zh) 2003-06-18
GB2299470A (en) 1996-10-02
HK1004451A1 (en) 1998-11-27
GB9606481D0 (en) 1996-06-05
US5854971A (en) 1998-12-29
JPH08274560A (ja) 1996-10-18

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