ATE435532T1 - Verfahren zum abstimmen eines hüllkurvenverfolgungs-verstärkungssystems - Google Patents

Verfahren zum abstimmen eines hüllkurvenverfolgungs-verstärkungssystems

Info

Publication number
ATE435532T1
ATE435532T1 AT03761021T AT03761021T ATE435532T1 AT E435532 T1 ATE435532 T1 AT E435532T1 AT 03761021 T AT03761021 T AT 03761021T AT 03761021 T AT03761021 T AT 03761021T AT E435532 T1 ATE435532 T1 AT E435532T1
Authority
AT
Austria
Prior art keywords
amplification system
envelope tracking
tuning
tracking amplification
power amplifier
Prior art date
Application number
AT03761021T
Other languages
English (en)
Inventor
Dale Anderson
James Mitzlaff
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
Application granted granted Critical
Publication of ATE435532T1 publication Critical patent/ATE435532T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/004—Control by varying the supply voltage
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/007—Control dependent on the supply voltage
    • 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
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Paper (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
AT03761021T 2002-06-20 2003-05-05 Verfahren zum abstimmen eines hüllkurvenverfolgungs-verstärkungssystems ATE435532T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/175,666 US6725021B1 (en) 2002-06-20 2002-06-20 Method for tuning an envelope tracking amplification system
PCT/US2003/013902 WO2004002006A1 (en) 2002-06-20 2003-05-05 Method for tuning an envelope tracking amplification system

Publications (1)

Publication Number Publication Date
ATE435532T1 true ATE435532T1 (de) 2009-07-15

Family

ID=29999048

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03761021T ATE435532T1 (de) 2002-06-20 2003-05-05 Verfahren zum abstimmen eines hüllkurvenverfolgungs-verstärkungssystems

Country Status (8)

Country Link
US (1) US6725021B1 (de)
EP (1) EP1518335B1 (de)
AT (1) ATE435532T1 (de)
AU (1) AU2003243194A1 (de)
CA (1) CA2489796A1 (de)
DE (1) DE60328190D1 (de)
IL (1) IL165799A0 (de)
WO (1) WO2004002006A1 (de)

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Also Published As

Publication number Publication date
WO2004002006A1 (en) 2003-12-31
EP1518335A4 (de) 2005-08-17
CA2489796A1 (en) 2003-12-31
AU2003243194A1 (en) 2004-01-06
DE60328190D1 (de) 2009-08-13
EP1518335B1 (de) 2009-07-01
IL165799A0 (en) 2006-01-15
EP1518335A1 (de) 2005-03-30
US6725021B1 (en) 2004-04-20

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