FI940805A - Vahvistimen esivirran säätömenetelmä ja -laite - Google Patents

Vahvistimen esivirran säätömenetelmä ja -laite Download PDF

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Publication number
FI940805A
FI940805A FI940805A FI940805A FI940805A FI 940805 A FI940805 A FI 940805A FI 940805 A FI940805 A FI 940805A FI 940805 A FI940805 A FI 940805A FI 940805 A FI940805 A FI 940805A
Authority
FI
Finland
Prior art keywords
amplifier
controlling
current
Prior art date
Application number
FI940805A
Other languages
English (en)
Swedish (sv)
Other versions
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 FI940805A0 publication Critical patent/FI940805A0/fi
Publication of FI940805A publication Critical patent/FI940805A/fi

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261Modifications 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
    • H03F1/0272Modifications 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261Modifications 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261Modifications 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
    • H03F1/0266Modifications 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
    • 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/192A hybrid coupler being used at the input of an amplifier circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/204A hybrid coupler being used at the output of an amplifier circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FI940805A 1992-07-02 1994-02-21 Vahvistimen esivirran säätömenetelmä ja -laite FI940805A (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 (2)

Publication Number Publication Date
FI940805A0 FI940805A0 (fi) 1994-02-21
FI940805A true FI940805A (fi) 1994-02-21

Family

ID=25425272

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940805A FI940805A (fi) 1992-07-02 1994-02-21 Vahvistimen esivirran säätömenetelmä ja -laite

Country Status (11)

Country Link
US (1) US5311143A (fi)
EP (1) EP0604622A4 (fi)
JP (1) JP3300836B2 (fi)
KR (1) KR0138224B1 (fi)
CN (1) CN1037734C (fi)
BR (1) BR9305564A (fi)
CA (1) CA2116582C (fi)
FI (1) FI940805A (fi)
MY (1) MY116332A (fi)
TW (1) TW225058B (fi)
WO (1) WO1994001930A1 (fi)

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US6282177B1 (en) 1998-03-04 2001-08-28 3Com Corporation Method and apparatus for dynamically controlling the bias current in a receiver in response to the transmitter power
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US7298854B2 (en) * 2002-12-04 2007-11-20 M/A-Com, Inc. Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
US7526260B2 (en) * 2002-11-14 2009-04-28 M/A-Com Eurotec, B.V. Apparatus, methods and articles of manufacture for linear signal modification
US7245183B2 (en) * 2002-11-14 2007-07-17 M/A-Com Eurotec Bv Apparatus, methods and articles of manufacture for processing an electromagnetic wave
US7545865B2 (en) * 2002-12-03 2009-06-09 M/A-Com, Inc. Apparatus, methods and articles of manufacture for wideband signal processing
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US20040070454A1 (en) * 2002-10-15 2004-04-15 Triquint Semiconductor, Inc. Continuous bias circuit and method for an amplifier
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
US20040072554A1 (en) * 2002-10-15 2004-04-15 Triquint Semiconductor, Inc. Automatic-bias amplifier circuit
US6831517B1 (en) 2002-12-23 2004-12-14 Intersil Americas, Inc. Bias-management system and method for programmable RF power amplifier
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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US8637731B2 (en) 2003-10-16 2014-01-28 U.S. Smokeless Tobacco Company Nicotiana nucleic acid molecules and uses thereof
ATE327601T1 (de) * 2003-10-23 2006-06-15 Sony Ericsson Mobile Comm Ab Zusätzliche regelung des referenzsignals der automatischen leistungsregelung in einem mobilen endgerät
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
US7177370B2 (en) * 2003-12-17 2007-02-13 Triquint Semiconductor, Inc. Method and architecture for dual-mode linear and saturated power amplifier operation
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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
WO1994001930A1 (en) 1994-01-20
CA2116582C (en) 1997-08-26
CA2116582A1 (en) 1994-01-20
FI940805A0 (fi) 1994-02-21
EP0604622A4 (en) 1995-12-06
CN1037734C (zh) 1998-03-11
JPH06510655A (ja) 1994-11-24
JP3300836B2 (ja) 2002-07-08
CN1081794A (zh) 1994-02-09
BR9305564A (pt) 1995-12-26
EP0604622A1 (en) 1994-07-06
TW225058B (fi) 1994-06-11
KR0138224B1 (ko) 1998-06-15
US5311143A (en) 1994-05-10
MY116332A (en) 2004-01-31

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