SE0004609L - Förfarande och arrangemang för linjärisering av utsignal - Google Patents

Förfarande och arrangemang för linjärisering av utsignal

Info

Publication number
SE0004609L
SE0004609L SE0004609A SE0004609A SE0004609L SE 0004609 L SE0004609 L SE 0004609L SE 0004609 A SE0004609 A SE 0004609A SE 0004609 A SE0004609 A SE 0004609A SE 0004609 L SE0004609 L SE 0004609L
Authority
SE
Sweden
Prior art keywords
distorter
post
output signal
linear device
linear
Prior art date
Application number
SE0004609A
Other languages
Unknown language ( )
English (en)
Other versions
SE0004609D0 (sv
SE517968C2 (sv
Inventor
Leonard Rexberg
Thorsten Nygren
Bernt Johansson
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 SE0004609A priority Critical patent/SE517968C2/sv
Publication of SE0004609D0 publication Critical patent/SE0004609D0/sv
Priority to CNB018206190A priority patent/CN100508369C/zh
Priority to US10/450,032 priority patent/US6850114B2/en
Priority to PCT/SE2001/002628 priority patent/WO2002049207A1/en
Priority to EP01270950A priority patent/EP1350312B1/en
Priority to AU2002218599A priority patent/AU2002218599A1/en
Priority to DE60137543T priority patent/DE60137543D1/de
Priority to AT01270950T priority patent/ATE421796T1/de
Publication of SE0004609L publication Critical patent/SE0004609L/sv
Publication of SE517968C2 publication Critical patent/SE517968C2/sv

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
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Amplifiers (AREA)
  • Telephonic Communication Services (AREA)
  • Alarm Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE0004609A 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal SE517968C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0004609A SE517968C2 (sv) 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal
CNB018206190A CN100508369C (zh) 2000-12-13 2001-11-28 通过后检波实现非线性装置的预矫正装置和方法
US10/450,032 US6850114B2 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
PCT/SE2001/002628 WO2002049207A1 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
EP01270950A EP1350312B1 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
AU2002218599A AU2002218599A1 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
DE60137543T DE60137543D1 (de) 2000-12-13 2001-11-28 Vorverzerrung nichtlinearer einrichtungen durch nachdetektion
AT01270950T ATE421796T1 (de) 2000-12-13 2001-11-28 Vorverzerrung nichtlinearer einrichtungen durch nachdetektion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004609A SE517968C2 (sv) 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal

Publications (3)

Publication Number Publication Date
SE0004609D0 SE0004609D0 (sv) 2000-12-13
SE0004609L true SE0004609L (sv) 2002-06-14
SE517968C2 SE517968C2 (sv) 2002-08-06

Family

ID=20282212

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0004609A SE517968C2 (sv) 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal

Country Status (8)

Country Link
US (1) US6850114B2 (sv)
EP (1) EP1350312B1 (sv)
CN (1) CN100508369C (sv)
AT (1) ATE421796T1 (sv)
AU (1) AU2002218599A1 (sv)
DE (1) DE60137543D1 (sv)
SE (1) SE517968C2 (sv)
WO (1) WO2002049207A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE519220C2 (sv) * 2001-06-14 2003-02-04 Ericsson Telefon Ab L M Predistortion med förbikopplingssignal
KR100468360B1 (ko) * 2002-07-25 2005-01-27 인티그런트 테크놀로지즈(주) 수신 장치의 선형성 개선을 위한 하모닉 회로
US20090085697A1 (en) * 2007-09-27 2009-04-02 Todd Hinck Method and apparatus for analog validation of high speed buses using electromagnetic couplers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0440703A (ja) * 1990-06-07 1992-02-12 Fujitsu Ltd 自動歪補償装置
US6072364A (en) * 1997-06-17 2000-06-06 Amplix Adaptive digital predistortion for power amplifiers with real time modeling of memoryless complex gains
US6016076A (en) * 1998-06-05 2000-01-18 The Whitaker Corporation Method and apparatus for microwave predistorter linearizer with electronic tuning
US6396327B1 (en) * 1998-09-01 2002-05-28 Tacan Corporation Method and apparatus for reducing distortion produced by a nonlinear device
US6075412A (en) * 1998-10-13 2000-06-13 Ophir Rf, Inc. Linearization for power amplifiers

Also Published As

Publication number Publication date
CN100508369C (zh) 2009-07-01
CN1481607A (zh) 2004-03-10
ATE421796T1 (de) 2009-02-15
SE0004609D0 (sv) 2000-12-13
AU2002218599A1 (en) 2002-06-24
US6850114B2 (en) 2005-02-01
SE517968C2 (sv) 2002-08-06
EP1350312B1 (en) 2009-01-21
WO2002049207A1 (en) 2002-06-20
US20040032297A1 (en) 2004-02-19
EP1350312A1 (en) 2003-10-08
DE60137543D1 (de) 2009-03-12

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