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 ratioInfo
- 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
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)
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)
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)
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 |
-
2001
- 2001-03-08 DE DE60100753T patent/DE60100753T2/en not_active Expired - Fee Related
- 2001-03-08 EP EP01912090A patent/EP1264395B1/en not_active Expired - Lifetime
- 2001-03-08 JP JP2001566254A patent/JP2003526980A/en not_active Withdrawn
- 2001-03-08 AU AU2001241006A patent/AU2001241006A1/en not_active Abandoned
- 2001-03-08 CA CA002402468A patent/CA2402468A1/en not_active Abandoned
- 2001-03-08 WO PCT/IL2001/000221 patent/WO2001067593A2/en active IP Right Grant
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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