ATE421189T1 - Zusammengesetzter verstärker - Google Patents

Zusammengesetzter verstärker

Info

Publication number
ATE421189T1
ATE421189T1 AT02780233T AT02780233T ATE421189T1 AT E421189 T1 ATE421189 T1 AT E421189T1 AT 02780233 T AT02780233 T AT 02780233T AT 02780233 T AT02780233 T AT 02780233T AT E421189 T1 ATE421189 T1 AT E421189T1
Authority
AT
Austria
Prior art keywords
drive signal
linear drive
signal component
adjusted
amplitude
Prior art date
Application number
AT02780233T
Other languages
English (en)
Inventor
Richard Hellberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE421189T1 publication Critical patent/ATE421189T1/de

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
    • H03F1/32—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)
AT02780233T 2001-11-29 2002-10-29 Zusammengesetzter verstärker ATE421189T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0104011A SE521673C2 (sv) 2001-11-29 2001-11-29 Sammansatt förstärkare

Publications (1)

Publication Number Publication Date
ATE421189T1 true ATE421189T1 (de) 2009-01-15

Family

ID=20286150

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02780233T ATE421189T1 (de) 2001-11-29 2002-10-29 Zusammengesetzter verstärker

Country Status (7)

Country Link
US (1) US7071774B2 (de)
EP (1) EP1451925B1 (de)
AT (1) ATE421189T1 (de)
AU (1) AU2002343302A1 (de)
DE (1) DE60230912D1 (de)
SE (1) SE521673C2 (de)
WO (1) WO2003047093A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
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
US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins Systems and Methods of RF Power Transmission, Modulation, and Amplification
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
US7893762B2 (en) 2005-12-30 2011-02-22 Telefonaktiebolaget Lm Ericsson (Publ) Efficient composite amplifier
DE602006015363D1 (de) * 2006-04-10 2010-08-19 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
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
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
ATE525801T1 (de) 2008-01-29 2011-10-15 Nxp Bv Schaltkreis mit einem leistungsverstärker und verstärkungsverfahren
CN102017400B (zh) 2008-05-05 2013-07-31 Nxp股份有限公司 高效线性linc功率放大器
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
EP2320561A4 (de) * 2008-07-29 2012-04-11 Kyocera Corp Leistungsverstärkungsvorrichtung und übertragungsvorrichtung sowie kommunikationsvorrichtung mit diesen
US8441321B2 (en) 2008-12-09 2013-05-14 Telefonaktiebolaget L M Ericsson (Publ) Multi-stage amplifier
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
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
IN2014CN03801A (de) * 2011-12-20 2015-10-16 Ericsson Telefon Ab L M
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
US9954492B2 (en) 2014-03-19 2018-04-24 Telefonaktiebolaget Lm Ericsson (Publ) Amplifier circuit and method
WO2015150873A1 (en) * 2014-04-03 2015-10-08 Telefonaktiebolaget L M Ericsson (Publ) Multi-stage amplifiers with low loss
EP3145080B1 (de) * 2014-06-17 2018-08-08 Huawei Technologies Co., Ltd. Radiofrequenz-leistungsverstärkungssystem, radiofrequenz-leistungsverstärkungsverfahren, sender und basisstation
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP1451925A1 (de) 2004-09-01
SE0104011L (sv) 2003-05-30
US20040263242A1 (en) 2004-12-30
DE60230912D1 (de) 2009-03-05
WO2003047093A1 (en) 2003-06-05
SE521673C2 (sv) 2003-11-25
AU2002343302A1 (en) 2003-06-10
EP1451925B1 (de) 2009-01-14
US7071774B2 (en) 2006-07-04

Similar Documents

Publication Publication Date Title
DE60230912D1 (de) Zusammengesetzter verstärker
TW200507553A (en) Quadra-polar modulator
Sundstrom The effect of quantization in a digital signal component separator for LINC transmitters
DE60213876D1 (de) Zusammengesetzter leistungsverstärker
US6930547B2 (en) Linearizing LINC amplifiers using pre-distortion
WO2004059848A3 (en) Modulation of a digital input signal using a digital signal modulator and signal splitting
WO2006085177A3 (en) Variable bandwidth envelope modulator for use with envelope elimination and restoration transmitter architecture and method
ATE308156T1 (de) Dreiklasse-e-doherty-verstärkertopologie für signaltransmitter von hoher leistung
ATE217460T1 (de) Vektormodulator
DE602007010617D1 (de) System und verfahren zur bereitstellung eines senders zur polaren modulation und zur linearisierung eines stromverstärkers
ATE359650T1 (de) Amplitudenungleichgewichtskompensation eines quadraturmodulators
EP2005574B1 (de) Funkfrequenz-pwm- und ppm-modulator
FI20075410A7 (fi) Järjestelmät, menetelmät ja laitteet lineaarisia verhokäyrän eliminointi ja palautuslähettimiä varten
AU6340000A (en) Method and apparatus for linearizing an amplifier
WO2006036380A3 (en) A pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same
CN103873077A (zh) 用于检测将由功率放大器放大的信号的包络的包络检测器和方法
DK1258079T3 (da) System til forforvrængning af et indgangssignal til en effektforstærker under anvendelse af ikke-ortogonale koordinater
SE0201908D0 (sv) Efficient generation of radio frequency currents
CN102165689A (zh) 高效率线性放大器
US8010063B2 (en) Signal enhancement in RF transmitters employing non-linear filtering
WO2004038948A3 (en) Second order predistortion circuit
US8300728B1 (en) Complex envelope elimination and restoration transmitter
WO2001054268A3 (en) Circuit for reducing second and third order intermodulation distortion for a broadband rf amplifier
DE60335454D1 (de) Implementierungsverfahren zur vorverzerrung nichtlinearer bauelemente
DE60331651D1 (de) Blind-linearisierung unter anwendung von kreuz-modulation

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties