SE0103412L - Metod och arrangemang för en effektförstärkare - Google Patents

Metod och arrangemang för en effektförstärkare

Info

Publication number
SE0103412L
SE0103412L SE0103412A SE0103412A SE0103412L SE 0103412 L SE0103412 L SE 0103412L SE 0103412 A SE0103412 A SE 0103412A SE 0103412 A SE0103412 A SE 0103412A SE 0103412 L SE0103412 L SE 0103412L
Authority
SE
Sweden
Prior art keywords
signals
power amplifier
present
arrangement
signal
Prior art date
Application number
SE0103412A
Other languages
English (en)
Other versions
SE0103412D0 (sv
SE522119C2 (sv
Inventor
Shu-Ang Zhou
Michael Faulkner
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
Priority to SE0103412A priority Critical patent/SE522119C2/sv
Publication of SE0103412D0 publication Critical patent/SE0103412D0/sv
Priority to PCT/SE2002/001694 priority patent/WO2003034585A1/en
Priority to US10/492,524 priority patent/US7095277B2/en
Publication of SE0103412L publication Critical patent/SE0103412L/sv
Publication of SE522119C2 publication Critical patent/SE522119C2/sv

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
    • H04B1/0483—Transmitters with multiple parallel paths
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
SE0103412A 2001-10-15 2001-10-15 HF-effektförstärkning genom konvertering och tidsmultiplexering av basbandssignaler SE522119C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0103412A SE522119C2 (sv) 2001-10-15 2001-10-15 HF-effektförstärkning genom konvertering och tidsmultiplexering av basbandssignaler
PCT/SE2002/001694 WO2003034585A1 (en) 2001-10-15 2002-09-19 Method and arrangement for a power amplifier
US10/492,524 US7095277B2 (en) 2001-10-15 2002-09-19 Method and arrangement for a power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0103412A SE522119C2 (sv) 2001-10-15 2001-10-15 HF-effektförstärkning genom konvertering och tidsmultiplexering av basbandssignaler

Publications (3)

Publication Number Publication Date
SE0103412D0 SE0103412D0 (sv) 2001-10-15
SE0103412L true SE0103412L (sv) 2003-04-16
SE522119C2 SE522119C2 (sv) 2004-01-13

Family

ID=20285639

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0103412A SE522119C2 (sv) 2001-10-15 2001-10-15 HF-effektförstärkning genom konvertering och tidsmultiplexering av basbandssignaler

Country Status (3)

Country Link
US (1) US7095277B2 (sv)
SE (1) SE522119C2 (sv)
WO (1) WO2003034585A1 (sv)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6975177B2 (en) 2003-06-09 2005-12-13 Nokia Corporation Method and system for a generation of a two-level signal
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
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power 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
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
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
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
GB2440187A (en) * 2006-07-17 2008-01-23 Ubidyne Inc DUC and DDC forming digital transceiver
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US7936214B2 (en) * 2008-03-28 2011-05-03 Medtronic, Inc. Third order derivative distortion cancellation for ultra low power applications
US8299851B2 (en) * 2008-03-31 2012-10-30 Agency For Science, Technology And Research High efficiency linear amplifier
US8374233B2 (en) * 2008-09-25 2013-02-12 Intel Mobile Communications GmbH IQ-modulation system and method for switched amplifiers
EP2695294A1 (en) 2011-04-08 2014-02-12 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
KR101784885B1 (ko) * 2011-10-14 2017-10-13 삼성전자주식회사 전력증폭기에서 인터리빙 스위칭 장치 및 방법
WO2015042142A1 (en) 2013-09-17 2015-03-26 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9305438A (pt) 1992-03-13 1994-08-02 Motorola Inc Rede combinada amplificadora de potência de sinal de radiofrequência (RF) e dispositivo de comunicações de sinal de radiofrequência de modo duplo
US5559468A (en) * 1993-06-28 1996-09-24 Motorola, Inc. Feedback loop closure in a linear transmitter
US5642358A (en) * 1994-04-08 1997-06-24 Ericsson Inc. Multiple beamwidth phased array
JPH08163190A (ja) * 1994-11-30 1996-06-21 Sony Corp 送受信機
US5903823A (en) * 1995-09-19 1999-05-11 Fujitsu Limited Radio apparatus with distortion compensating function
FR2773281B1 (fr) * 1997-12-30 2004-04-09 Thomson Csf Procede de correction de linearite et correcteur de linearite pour amplificateur de puissance et amplificateur equipe d'un tel correcteur
US6054896A (en) * 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
GB9821088D0 (en) * 1998-09-30 1998-11-18 Koninkl Philips Electronics Nv Radio transmitter
JP3446674B2 (ja) * 1999-08-16 2003-09-16 松下電器産業株式会社 非線形歪補償装置
WO2002087097A1 (fr) * 2001-04-18 2002-10-31 Fujitsu Limited Dispositif de correction de distorsion
US6993087B2 (en) * 2001-06-29 2006-01-31 Nokia Mobile Phones Ltd. Switching mode power amplifier using PWM and PPM for bandpass signals

Also Published As

Publication number Publication date
WO2003034585A1 (en) 2003-04-24
US7095277B2 (en) 2006-08-22
SE0103412D0 (sv) 2001-10-15
SE522119C2 (sv) 2004-01-13
US20040196899A1 (en) 2004-10-07

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Legal Events

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