ATE492069T1 - Verfahren und anordnung zum optimieren der effizienz eines leistungsverstärkers - Google Patents

Verfahren und anordnung zum optimieren der effizienz eines leistungsverstärkers

Info

Publication number
ATE492069T1
ATE492069T1 AT07730586T AT07730586T ATE492069T1 AT E492069 T1 ATE492069 T1 AT E492069T1 AT 07730586 T AT07730586 T AT 07730586T AT 07730586 T AT07730586 T AT 07730586T AT E492069 T1 ATE492069 T1 AT E492069T1
Authority
AT
Austria
Prior art keywords
envelope
power amplifier
peaks
filtered
optimizing
Prior art date
Application number
AT07730586T
Other languages
English (en)
Inventor
Jussi Vepsaelaeinen
Jorma Matero
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE492069T1 publication Critical patent/ATE492069T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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
    • 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
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • 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
AT07730586T 2006-05-05 2007-05-04 Verfahren und anordnung zum optimieren der effizienz eines leistungsverstärkers ATE492069T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/418,831 US7519336B2 (en) 2006-05-05 2006-05-05 Method and arrangement for optimizing efficiency of a power amplifier
PCT/FI2007/000117 WO2007128862A1 (en) 2006-05-05 2007-05-04 Method and arrangement for optimizing efficiency of a power amplifier

Publications (1)

Publication Number Publication Date
ATE492069T1 true ATE492069T1 (de) 2011-01-15

Family

ID=38661202

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07730586T ATE492069T1 (de) 2006-05-05 2007-05-04 Verfahren und anordnung zum optimieren der effizienz eines leistungsverstärkers

Country Status (6)

Country Link
US (1) US7519336B2 (de)
EP (1) EP2016672B1 (de)
CN (1) CN101427459B (de)
AT (1) ATE492069T1 (de)
DE (1) DE602007011247D1 (de)
WO (1) WO2007128862A1 (de)

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Also Published As

Publication number Publication date
DE602007011247D1 (de) 2011-01-27
CN101427459A (zh) 2009-05-06
US20070258602A1 (en) 2007-11-08
EP2016672A4 (de) 2010-03-10
US7519336B2 (en) 2009-04-14
CN101427459B (zh) 2012-03-28
EP2016672A1 (de) 2009-01-21
WO2007128862A1 (en) 2007-11-15
EP2016672B1 (de) 2010-12-15

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