ATE520196T1 - Lastkompensierte linear-leistungsverstärker mit hohem wirkungsgrad - Google Patents
Lastkompensierte linear-leistungsverstärker mit hohem wirkungsgradInfo
- Publication number
- ATE520196T1 ATE520196T1 AT06748032T AT06748032T ATE520196T1 AT E520196 T1 ATE520196 T1 AT E520196T1 AT 06748032 T AT06748032 T AT 06748032T AT 06748032 T AT06748032 T AT 06748032T AT E520196 T1 ATE520196 T1 AT E520196T1
- Authority
- AT
- Austria
- Prior art keywords
- high efficiency
- power amplifier
- linear power
- amplifier
- efficiency load
- Prior art date
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
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
- 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
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/108—A coil being added in the drain circuit of a FET amplifier stage, e.g. for noise reducing purposes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/375—Circuitry to compensate the offset being present in an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/75—Indexing scheme relating to amplifiers the amplifier stage being a common source configuration MOSFET
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2006/050192 WO2007142568A1 (en) | 2006-06-09 | 2006-06-09 | High efficiency linear power amplifiers with load compensation |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE520196T1 true ATE520196T1 (de) | 2011-08-15 |
Family
ID=38801713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT06748032T ATE520196T1 (de) | 2006-06-09 | 2006-06-09 | Lastkompensierte linear-leistungsverstärker mit hohem wirkungsgrad |
Country Status (5)
Country | Link |
---|---|
US (1) | US7956683B2 (de) |
EP (1) | EP2030317B1 (de) |
CN (1) | CN101461132B (de) |
AT (1) | ATE520196T1 (de) |
WO (1) | WO2007142568A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8170505B2 (en) * | 2008-07-30 | 2012-05-01 | Qualcomm Incorporated | Driver amplifier having a programmable output impedance adjustment circuit |
GB2516979A (en) * | 2013-08-09 | 2015-02-11 | Univ Surrey | Predistortion in satellite signal transmission systems |
KR102163050B1 (ko) * | 2015-03-12 | 2020-10-08 | 삼성전기주식회사 | 전력 증폭기 및 전력 증폭기의 위상 보정 방법 |
CN106257827B (zh) * | 2015-06-17 | 2020-08-18 | 南京中兴新软件有限责任公司 | 对称多赫蒂Doherty功放电路装置及功率放大器 |
JP6556768B2 (ja) * | 2017-01-25 | 2019-08-07 | 株式会社東芝 | 積和演算器、ネットワークユニットおよびネットワーク装置 |
US20220385237A1 (en) * | 2021-05-26 | 2022-12-01 | Skyworks Solutions, Inc. | Load modulated power amplifiers |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5216379A (en) * | 1992-06-26 | 1993-06-01 | Hamley James P | Dynamic bias amplifier |
JP3425277B2 (ja) * | 1995-08-25 | 2003-07-14 | 株式会社東芝 | 無線受信機 |
US6236524B1 (en) * | 1997-12-15 | 2001-05-22 | Texas Instruments Incorporated | Adjustable impedance booster |
US6349216B1 (en) | 1999-07-22 | 2002-02-19 | Motorola, Inc. | Load envelope following amplifier system |
US6160449A (en) * | 1999-07-22 | 2000-12-12 | Motorola, Inc. | Power amplifying circuit with load adjust for control of adjacent and alternate channel power |
US6556814B1 (en) * | 1999-07-22 | 2003-04-29 | Motorola, Inc. | Memory-based amplifier load adjust system |
CN1166053C (zh) * | 2001-05-08 | 2004-09-08 | 华为技术有限公司 | 自适应射频数字预失真线性化方法及其电路 |
US6680652B2 (en) * | 2001-08-06 | 2004-01-20 | Rf Micro Devices, Inc. | Load switching for transmissions with different peak-to-average power ratios |
US7113033B2 (en) * | 2002-01-31 | 2006-09-26 | Qualcomm Incorporated | Variable impedance load for a variable gain radio frequency amplifier |
US7102429B2 (en) | 2002-06-28 | 2006-09-05 | Motorola, Inc. | RF amplifier with enhanced efficiency |
US6794935B2 (en) | 2002-10-17 | 2004-09-21 | Motorola Inc. | Power amplification circuit and method for supplying power at a plurality of desired power output levels |
WO2005027342A1 (en) | 2003-09-15 | 2005-03-24 | Nortel Networks Limited | Power amplifier with improved linearity and efficiency |
US7292101B2 (en) * | 2005-04-27 | 2007-11-06 | Broadcom Corporation | Digitally adjustable variable gain amplifier (VGA) using switchable differential pairs |
-
2006
- 2006-06-09 AT AT06748032T patent/ATE520196T1/de not_active IP Right Cessation
- 2006-06-09 EP EP06748032A patent/EP2030317B1/de not_active Not-in-force
- 2006-06-09 WO PCT/SE2006/050192 patent/WO2007142568A1/en active Application Filing
- 2006-06-09 CN CN2006800549084A patent/CN101461132B/zh not_active Expired - Fee Related
- 2006-06-09 US US12/303,697 patent/US7956683B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101461132B (zh) | 2011-08-03 |
CN101461132A (zh) | 2009-06-17 |
US7956683B2 (en) | 2011-06-07 |
EP2030317A1 (de) | 2009-03-04 |
EP2030317B1 (de) | 2011-08-10 |
WO2007142568A1 (en) | 2007-12-13 |
US20100237938A1 (en) | 2010-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |