SE0104011L - Sammansatt förstärkare - Google Patents
Sammansatt förstärkareInfo
- Publication number
- SE0104011L SE0104011L SE0104011A SE0104011A SE0104011L SE 0104011 L SE0104011 L SE 0104011L SE 0104011 A SE0104011 A SE 0104011A SE 0104011 A SE0104011 A SE 0104011A SE 0104011 L SE0104011 L SE 0104011L
- Authority
- SE
- Sweden
- Prior art keywords
- drive signal
- linear drive
- signal component
- adjusted
- amplitude
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title abstract 4
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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3294—Acting on the real and imaginary components of 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
- H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals
-
- 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
- H03F1/3282—Acting on the phase and the amplitude of the input signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0104011A SE521673C2 (sv) | 2001-11-29 | 2001-11-29 | Sammansatt förstärkare |
EP02780233A EP1451925B1 (en) | 2001-11-29 | 2002-10-29 | Composite amplifier |
DE60230912T DE60230912D1 (de) | 2001-11-29 | 2002-10-29 | Zusammengesetzter verstärker |
US10/497,186 US7071774B2 (en) | 2001-11-29 | 2002-10-29 | Composite amplifier |
AT02780233T ATE421189T1 (de) | 2001-11-29 | 2002-10-29 | Zusammengesetzter verstärker |
AU2002343302A AU2002343302A1 (en) | 2001-11-29 | 2002-10-29 | Composite amplifier |
PCT/SE2002/001959 WO2003047093A1 (en) | 2001-11-29 | 2002-10-29 | Composite amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0104011A SE521673C2 (sv) | 2001-11-29 | 2001-11-29 | Sammansatt förstärkare |
Publications (2)
Publication Number | Publication Date |
---|---|
SE0104011L true SE0104011L (sv) | 2003-05-30 |
SE521673C2 SE521673C2 (sv) | 2003-11-25 |
Family
ID=20286150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0104011A SE521673C2 (sv) | 2001-11-29 | 2001-11-29 | Sammansatt förstärkare |
Country Status (7)
Country | Link |
---|---|
US (1) | US7071774B2 (sv) |
EP (1) | EP1451925B1 (sv) |
AT (1) | ATE421189T1 (sv) |
AU (1) | AU2002343302A1 (sv) |
DE (1) | DE60230912D1 (sv) |
SE (1) | SE521673C2 (sv) |
WO (1) | WO2003047093A1 (sv) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7030714B2 (en) | 2003-10-01 | 2006-04-18 | Intel Corporation | Method and apparatus to match output impedance of combined outphasing power amplifiers |
US7009447B2 (en) | 2003-11-25 | 2006-03-07 | Intel Corporation | Outphasing modulator |
US7327803B2 (en) | 2004-10-22 | 2008-02-05 | Parkervision, Inc. | Systems and methods for vector power amplification |
US7355470B2 (en) | 2006-04-24 | 2008-04-08 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
US7911272B2 (en) | 2007-06-19 | 2011-03-22 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments |
US8013675B2 (en) | 2007-06-19 | 2011-09-06 | Parkervision, Inc. | Combiner-less multiple input single output (MISO) amplification with blended control |
EP1966884A1 (en) | 2005-12-30 | 2008-09-10 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Efficient composite amplifier |
ATE473549T1 (de) * | 2006-04-10 | 2010-07-15 | Ericsson Telefon Ab L M | Verfahren zum kompensieren von signalverzerrungen in zusammengesetzten verstärkern |
US8031804B2 (en) | 2006-04-24 | 2011-10-04 | Parkervision, Inc. | Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion |
US7937106B2 (en) | 2006-04-24 | 2011-05-03 | ParkerVision, Inc, | Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same |
US7459973B2 (en) * | 2006-06-12 | 2008-12-02 | École De Technologie Supérieure | Method and apparatus for amplifying a signal modulated in amplitude |
WO2008144017A1 (en) | 2007-05-18 | 2008-11-27 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
WO2009005768A1 (en) | 2007-06-28 | 2009-01-08 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
US7783269B2 (en) * | 2007-09-20 | 2010-08-24 | Quantance, Inc. | Power amplifier controller with polar transmitter |
US8457565B2 (en) * | 2007-09-27 | 2013-06-04 | Kyocera Corporation | Power amplifier circuit, and transmitter and wireless communication device using the same |
US7994854B2 (en) | 2008-01-29 | 2011-08-09 | Nxp B.V. | Circuit with a power amplifier and amplification method |
US8269555B2 (en) | 2008-05-05 | 2012-09-18 | Nxp B.V. | Efficient linear LINC power amplifier |
WO2009145887A1 (en) | 2008-05-27 | 2009-12-03 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
US8315578B2 (en) * | 2008-07-15 | 2012-11-20 | Research In Motion Limited | Mobile wireless communications device with separate in-phase and quadrature power amplification |
CN102106078A (zh) * | 2008-07-29 | 2011-06-22 | 京瓷株式会社 | 功率放大装置和采用该功率放大装置的发送装置以及通信装置 |
WO2010068152A1 (en) | 2008-12-09 | 2010-06-17 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-stage amplifier |
KR20140026458A (ko) | 2011-04-08 | 2014-03-05 | 파커비전, 인크. | Rf 전력 송신, 변조 및 증폭 시스템들 및 방법들 |
KR20140034895A (ko) | 2011-06-02 | 2014-03-20 | 파커비전, 인크. | 안테나 제어 |
WO2013019819A2 (en) * | 2011-07-31 | 2013-02-07 | The Regents Of The University Of California | Zero-voltage-switching contour based outphasing power amplifier |
JP5731325B2 (ja) * | 2011-08-26 | 2015-06-10 | 富士通株式会社 | 変調器およびそれを用いる増幅器 |
EP2748924B1 (en) * | 2011-12-20 | 2015-09-09 | Telefonaktiebolaget LM Ericsson (PUBL) | Radio frequency power amplifier circuit and method |
JP5853905B2 (ja) | 2012-08-20 | 2016-02-09 | 富士通株式会社 | Linc電力増幅器 |
WO2015042142A1 (en) | 2013-09-17 | 2015-03-26 | Parkervision, Inc. | Method, apparatus and system for rendering an information bearing function of time |
US9137067B1 (en) * | 2013-12-17 | 2015-09-15 | Rockwell Collins, Inc. | High efficiency outphasing transmitter for electronically scanned arrays |
WO2015139746A1 (en) | 2014-03-19 | 2015-09-24 | Telefonaktiebolaget L M Ericsson (Publ) | Amplifier circuit and method |
US9866190B2 (en) * | 2014-04-03 | 2018-01-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-stage amplifiers with low loss |
WO2015192320A1 (zh) * | 2014-06-17 | 2015-12-23 | 华为技术有限公司 | 射频功率放大系统、射频功率放大方法、发射机及基站 |
US9537558B1 (en) * | 2015-03-20 | 2017-01-03 | Rockwell Collins, Inc. | ESA phase shifter topology |
US10211784B2 (en) * | 2016-11-03 | 2019-02-19 | Nxp Usa, Inc. | Amplifier architecture reconfiguration |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5901346A (en) | 1996-12-11 | 1999-05-04 | Motorola, Inc. | Method and apparatus utilizing a compensated multiple output signal source |
US6285251B1 (en) * | 1998-04-02 | 2001-09-04 | Ericsson Inc. | Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control |
US6054896A (en) | 1998-12-17 | 2000-04-25 | Datum Telegraphic Inc. | Controller and associated methods for a linc linear power amplifier |
US6201452B1 (en) * | 1998-12-10 | 2001-03-13 | Ericsson Inc. | Systems and methods for converting a stream of complex numbers into a modulated radio power signal |
US6825719B1 (en) * | 2000-05-26 | 2004-11-30 | Intel Corporation | RF power amplifier and methods for improving the efficiency thereof |
US6737914B2 (en) * | 2001-12-07 | 2004-05-18 | 4D Connect, Inc. | Removing effects of gain and phase mismatch in a linear amplification with nonlinear components (LINC) system |
-
2001
- 2001-11-29 SE SE0104011A patent/SE521673C2/sv not_active IP Right Cessation
-
2002
- 2002-10-29 DE DE60230912T patent/DE60230912D1/de not_active Expired - Fee Related
- 2002-10-29 AT AT02780233T patent/ATE421189T1/de not_active IP Right Cessation
- 2002-10-29 US US10/497,186 patent/US7071774B2/en not_active Expired - Lifetime
- 2002-10-29 WO PCT/SE2002/001959 patent/WO2003047093A1/en not_active Application Discontinuation
- 2002-10-29 AU AU2002343302A patent/AU2002343302A1/en not_active Abandoned
- 2002-10-29 EP EP02780233A patent/EP1451925B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE421189T1 (de) | 2009-01-15 |
SE521673C2 (sv) | 2003-11-25 |
US7071774B2 (en) | 2006-07-04 |
AU2002343302A1 (en) | 2003-06-10 |
US20040263242A1 (en) | 2004-12-30 |
DE60230912D1 (de) | 2009-03-05 |
EP1451925B1 (en) | 2009-01-14 |
EP1451925A1 (en) | 2004-09-01 |
WO2003047093A1 (en) | 2003-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |