FI940805L - Vahvistimen esivirran säätömenetelmä ja -laite - Google Patents

Vahvistimen esivirran säätömenetelmä ja -laite Download PDF

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Publication number
FI940805L
FI940805L FI940805A FI940805A FI940805L FI 940805 L FI940805 L FI 940805L FI 940805 A FI940805 A FI 940805A FI 940805 A FI940805 A FI 940805A FI 940805 L FI940805 L FI 940805L
Authority
FI
Finland
Prior art keywords
control method
current control
bias current
amplifier bias
amplifier
Prior art date
Application number
FI940805A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI940805A7 (fi
FI940805A0 (fi
Inventor
John L Soliday
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FI940805A7 publication Critical patent/FI940805A7/fi
Publication of FI940805A0 publication Critical patent/FI940805A0/fi
Publication of FI940805L publication Critical patent/FI940805L/fi

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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
    • H03F1/0272—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the output 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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
    • 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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
    • H03F1/0266—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
    • 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
    • H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
FI940805A 1992-07-02 1993-06-14 Vahvistimen esivirran säätömenetelmä ja -laite FI940805L (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/908,144 US5311143A (en) 1992-07-02 1992-07-02 RF amplifier bias control method and apparatus
PCT/US1993/005623 WO1994001930A1 (en) 1992-07-02 1993-06-14 Rf amplifier bias control method and apparatus

Publications (3)

Publication Number Publication Date
FI940805A7 FI940805A7 (fi) 1994-02-21
FI940805A0 FI940805A0 (fi) 1994-02-21
FI940805L true FI940805L (fi) 1994-02-21

Family

ID=25425272

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940805A FI940805L (fi) 1992-07-02 1993-06-14 Vahvistimen esivirran säätömenetelmä ja -laite

Country Status (11)

Country Link
US (1) US5311143A (en:Method)
EP (1) EP0604622A4 (en:Method)
JP (1) JP3300836B2 (en:Method)
KR (1) KR0138224B1 (en:Method)
CN (1) CN1037734C (en:Method)
BR (1) BR9305564A (en:Method)
CA (1) CA2116582C (en:Method)
FI (1) FI940805L (en:Method)
MY (1) MY116332A (en:Method)
TW (1) TW225058B (en:Method)
WO (1) WO1994001930A1 (en:Method)

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US7203262B2 (en) 2003-05-13 2007-04-10 M/A-Com, Inc. Methods and apparatus for signal modification in a fractional-N phase locked loop system
US7010284B2 (en) * 2002-11-06 2006-03-07 Triquint Semiconductor, Inc. Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier
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US6859098B2 (en) 2003-01-17 2005-02-22 M/A-Com, Inc. Apparatus, methods and articles of manufacture for control in an electromagnetic processor
US7091778B2 (en) 2003-09-19 2006-08-15 M/A-Com, Inc. Adaptive wideband digital amplifier for linearly modulated signal amplification and transmission
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US6903608B2 (en) * 2003-10-30 2005-06-07 Sige Semiconductor Inc. Power level controlling of first amplification stage for an integrated RF power amplifier
US7343138B2 (en) * 2003-12-08 2008-03-11 M/A-Com, Inc. Compensating for load pull in electromagentic signal propagation using adaptive impedance matching
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JP4690835B2 (ja) * 2004-12-21 2011-06-01 ルネサスエレクトロニクス株式会社 送信機及びそれを用いた移動体通信端末
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CN100554899C (zh) * 2007-12-07 2009-10-28 中国科学院安徽光学精密机械研究所 锑化铟光电传感器阵列静态工作点自动校准装置
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Also Published As

Publication number Publication date
CN1037734C (zh) 1998-03-11
FI940805A7 (fi) 1994-02-21
CA2116582A1 (en) 1994-01-20
CA2116582C (en) 1997-08-26
MY116332A (en) 2004-01-31
FI940805A0 (fi) 1994-02-21
JPH06510655A (ja) 1994-11-24
EP0604622A4 (en) 1995-12-06
TW225058B (en:Method) 1994-06-11
CN1081794A (zh) 1994-02-09
US5311143A (en) 1994-05-10
JP3300836B2 (ja) 2002-07-08
KR0138224B1 (ko) 1998-06-15
EP0604622A1 (en) 1994-07-06
WO1994001930A1 (en) 1994-01-20
BR9305564A (pt) 1995-12-26

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