ATE435529T1 - Leistungsverstärkungsvorrichtung eines tragbaren endgeräts - Google Patents

Leistungsverstärkungsvorrichtung eines tragbaren endgeräts

Info

Publication number
ATE435529T1
ATE435529T1 AT02712490T AT02712490T ATE435529T1 AT E435529 T1 ATE435529 T1 AT E435529T1 AT 02712490 T AT02712490 T AT 02712490T AT 02712490 T AT02712490 T AT 02712490T AT E435529 T1 ATE435529 T1 AT E435529T1
Authority
AT
Austria
Prior art keywords
amplifier
power amplifier
power
input voltage
supplemental
Prior art date
Application number
AT02712490T
Other languages
English (en)
Inventor
Youngwoo Kwon
Junghyun Kim
Sung-Jun Bae
Original Assignee
Avago Technologies Wireless Ip
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 Avago Technologies Wireless Ip filed Critical Avago Technologies Wireless Ip
Application granted granted Critical
Publication of ATE435529T1 publication Critical patent/ATE435529T1/de

Links

Classifications

    • 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
    • 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
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • 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
    • 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
    • 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
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/423—Amplifier output adaptation especially for transmission line coupling purposes, e.g. impedance adaptation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/543—A transmission line being used as coupling element between two amplifying stages
    • 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
    • H04B2001/045—Circuits with power amplifiers with means for improving efficiency
AT02712490T 2002-02-01 2002-02-04 Leistungsverstärkungsvorrichtung eines tragbaren endgeräts ATE435529T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020020005924A KR100553252B1 (ko) 2002-02-01 2002-02-01 휴대용 단말기의 전력 증폭 장치
PCT/KR2002/000163 WO2003065599A1 (en) 2002-02-01 2002-02-04 Power amplification apparatus of portable terminal

Publications (1)

Publication Number Publication Date
ATE435529T1 true ATE435529T1 (de) 2009-07-15

Family

ID=27656362

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02712490T ATE435529T1 (de) 2002-02-01 2002-02-04 Leistungsverstärkungsvorrichtung eines tragbaren endgeräts

Country Status (9)

Country Link
US (5) US7345535B2 (de)
EP (1) EP1476949B1 (de)
JP (1) JP4252458B2 (de)
KR (1) KR100553252B1 (de)
CN (1) CN100559719C (de)
AT (1) ATE435529T1 (de)
CA (1) CA2474975A1 (de)
DE (1) DE60232824D1 (de)
WO (1) WO2003065599A1 (de)

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US7109790B2 (en) 2006-09-19
US20070057722A1 (en) 2007-03-15
US20040145416A1 (en) 2004-07-29
JP4252458B2 (ja) 2009-04-08
US7304537B2 (en) 2007-12-04
CA2474975A1 (en) 2003-08-07
EP1476949A1 (de) 2004-11-17
US20050012547A1 (en) 2005-01-20
CN100559719C (zh) 2009-11-11
EP1476949B1 (de) 2009-07-01
JP2005516524A (ja) 2005-06-02
WO2003065599A1 (en) 2003-08-07
US20040183593A1 (en) 2004-09-23
US7345535B2 (en) 2008-03-18
US7053706B2 (en) 2006-05-30
US20040119533A1 (en) 2004-06-24
EP1476949A4 (de) 2005-05-04
DE60232824D1 (de) 2009-08-13

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