AU2001241006A1 - Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio - Google Patents

Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio

Info

Publication number
AU2001241006A1
AU2001241006A1 AU2001241006A AU4100601A AU2001241006A1 AU 2001241006 A1 AU2001241006 A1 AU 2001241006A1 AU 2001241006 A AU2001241006 A AU 2001241006A AU 4100601 A AU4100601 A AU 4100601A AU 2001241006 A1 AU2001241006 A1 AU 2001241006A1
Authority
AU
Australia
Prior art keywords
improving
efficiency
improved method
power amplifiers
operating under
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001241006A
Inventor
Israel Bar-David
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paragon Communications Ltd
Original Assignee
Paragon Communications Ltd
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
Priority claimed from PCT/IL2000/000599 external-priority patent/WO2001067598A1/en
Application filed by Paragon Communications Ltd filed Critical Paragon Communications Ltd
Publication of AU2001241006A1 publication Critical patent/AU2001241006A1/en
Abandoned legal-status Critical Current

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
    • H03F1/0288—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
    • H03F1/02—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
    • H03F1/0244—Stepped control
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/26265—Arrangements for sidelobes suppression specially adapted to multicarrier systems, e.g. spectral precoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
AU2001241006A 2000-03-10 2001-03-08 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio Abandoned AU2001241006A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18819400P 2000-03-10 2000-03-10
US60188194 2000-03-10
PCT/IL2000/000599 WO2001067598A1 (en) 2000-03-10 2000-09-26 Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio
WOIL00/00599 2000-09-26
PCT/IL2001/000221 WO2001067593A2 (en) 2000-03-10 2001-03-08 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio

Publications (1)

Publication Number Publication Date
AU2001241006A1 true AU2001241006A1 (en) 2001-09-17

Family

ID=26320369

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001241006A Abandoned AU2001241006A1 (en) 2000-03-10 2001-03-08 Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio

Country Status (6)

Country Link
EP (1) EP1264395B1 (en)
JP (1) JP2003526980A (en)
AU (1) AU2001241006A1 (en)
CA (1) CA2402468A1 (en)
DE (1) DE60100753T2 (en)
WO (1) WO2001067593A2 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004038937A1 (en) * 2002-10-28 2004-05-06 Matsushita Electric Industrial Co., Ltd. Transmitter
KR100605826B1 (en) * 2002-11-18 2006-07-31 삼성전자주식회사 Apparatus and method for improving the efficiency of power amplifier operating under a large peak-to-average ratio
JP3841416B2 (en) 2003-10-07 2006-11-01 松下電器産業株式会社 Transmission device, transmission output control method, and wireless communication device
JP2005192067A (en) * 2003-12-26 2005-07-14 Matsushita Electric Ind Co Ltd Audio amplifier
JP4541113B2 (en) * 2004-11-19 2010-09-08 パナソニック株式会社 Doherty amplifier
JP4817890B2 (en) * 2005-03-17 2011-11-16 パナソニック株式会社 Amplifying device, polar modulation transmitting device, and wireless communication device
JP2007053540A (en) * 2005-08-17 2007-03-01 Nec Corp Doherty-type amplifier
US7782132B2 (en) * 2005-09-26 2010-08-24 Paragon Communications Ltd. Method and apparatus for improving the performance of MIMO wireless systems
WO2008044276A1 (en) * 2006-10-06 2008-04-17 Panasonic Corporation Electric power amplifying apparatus
WO2010001806A1 (en) 2008-06-30 2010-01-07 日本電気株式会社 Power amplification device and power amplification method
WO2010044346A1 (en) 2008-10-16 2010-04-22 日本電気株式会社 Power amplifier
JP5472119B2 (en) * 2008-12-25 2014-04-16 日本電気株式会社 Power amplifier
EP2226932B1 (en) 2009-03-02 2013-10-16 Alcatel Lucent Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof
JP5742186B2 (en) 2010-11-22 2015-07-01 富士通株式会社 Amplifier
JP5614273B2 (en) * 2010-12-21 2014-10-29 富士通株式会社 Amplifier
JP5268036B2 (en) 2011-03-03 2013-08-21 Ｔｄｋ株式会社 Bias control circuit
JP5772408B2 (en) * 2011-09-02 2015-09-02 富士通株式会社 Electronic equipment and amplifier control program
EP2882096A1 (en) * 2013-12-06 2015-06-10 Alcatel Lucent Power amplifier device with controlled envelope tracking modulator and adapted static voltage
DE102015212149A1 (en) * 2015-06-30 2017-01-05 TRUMPF Hüttinger GmbH + Co. KG A power supply system and method for adjusting an output of the amplifier stage of a power supply system
US9577516B1 (en) * 2016-02-18 2017-02-21 Advanced Energy Industries, Inc. Apparatus for controlled overshoot in a RF generator
US10148228B2 (en) 2016-12-20 2018-12-04 Nxp Usa, Inc. RF power amplifier bias modulation with programmable stages

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5420536A (en) * 1993-03-16 1995-05-30 Victoria University Of Technology Linearized power amplifier
US5886575A (en) * 1997-09-30 1999-03-23 Motorola, Inc. Apparatus and method for amplifying a signal
US6028486A (en) * 1997-10-07 2000-02-22 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing power dissipation in multi-carrier amplifiers
US5898342A (en) * 1998-01-20 1999-04-27 Advanced Micro Devices Power amplifier arrangement and method for data signal interface
DE60041469D1 (en) * 1999-03-31 2009-03-19 Nippon Telegraph & Telephone Feedforward amplifier

Also Published As

Publication number Publication date
DE60100753T2 (en) 2004-07-01
EP1264395A2 (en) 2002-12-11
CA2402468A1 (en) 2001-09-13
WO2001067593A3 (en) 2002-01-03
EP1264395B1 (en) 2003-09-10
JP2003526980A (en) 2003-09-09
DE60100753D1 (en) 2003-10-16
WO2001067593A2 (en) 2001-09-13

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