CN1143568C - 一种发射机和一种用于控制发射信号的增益的方法 - Google Patents

一种发射机和一种用于控制发射信号的增益的方法 Download PDF

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Publication number
CN1143568C
CN1143568C CNB991092473A CN99109247A CN1143568C CN 1143568 C CN1143568 C CN 1143568C CN B991092473 A CNB991092473 A CN B991092473A CN 99109247 A CN99109247 A CN 99109247A CN 1143568 C CN1143568 C CN 1143568C
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CN
China
Prior art keywords
signal
gain
transmitter
value
power
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.)
Expired - Fee Related
Application number
CNB991092473A
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English (en)
Chinese (zh)
Other versions
CN1241881A (zh
Inventor
M����ŵ˹
M·莱诺南
S·卡勒瓦
H·马蒂拉
H·利尔雅
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Nokia Oyj
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Nokia Mobile Phones Ltd
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Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of CN1241881A publication Critical patent/CN1241881A/zh
Application granted granted Critical
Publication of CN1143568C publication Critical patent/CN1143568C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • 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
    • H04B1/0483—Transmitters with multiple parallel paths
    • 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)
    • 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
    • H03F2203/7239—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 and shunting lines by one or more switch(es)
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CNB991092473A 1998-05-27 1999-05-27 一种发射机和一种用于控制发射信号的增益的方法 Expired - Fee Related CN1143568C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9811382.2 1998-05-27
GBGB9811382.2A GB9811382D0 (en) 1998-05-27 1998-05-27 A transmitter

Publications (2)

Publication Number Publication Date
CN1241881A CN1241881A (zh) 2000-01-19
CN1143568C true CN1143568C (zh) 2004-03-24

Family

ID=10832790

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB991092473A Expired - Fee Related CN1143568C (zh) 1998-05-27 1999-05-27 一种发射机和一种用于控制发射信号的增益的方法

Country Status (6)

Country Link
US (1) US6563883B1 (enExample)
EP (1) EP0961402B1 (enExample)
JP (1) JP2000049630A (enExample)
CN (1) CN1143568C (enExample)
DE (1) DE69929938T2 (enExample)
GB (1) GB9811382D0 (enExample)

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CN106970342A (zh) * 2017-02-27 2017-07-21 上海东软医疗科技有限公司 一种增益调整方法及装置
CN107181494B (zh) * 2017-05-16 2019-04-12 成都市深思创芯科技有限公司 一种基于神经网络控制发射机工作模式的方法
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Also Published As

Publication number Publication date
US6563883B1 (en) 2003-05-13
GB9811382D0 (en) 1998-07-22
JP2000049630A (ja) 2000-02-18
CN1241881A (zh) 2000-01-19
EP0961402A3 (en) 2001-01-03
EP0961402A2 (en) 1999-12-01
DE69929938T2 (de) 2006-11-09
DE69929938D1 (de) 2006-04-27
EP0961402B1 (en) 2006-02-22

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