ATE421796T1 - Vorverzerrung nichtlinearer einrichtungen durch nachdetektion - Google Patents

Vorverzerrung nichtlinearer einrichtungen durch nachdetektion

Info

Publication number
ATE421796T1
ATE421796T1 AT01270950T AT01270950T ATE421796T1 AT E421796 T1 ATE421796 T1 AT E421796T1 AT 01270950 T AT01270950 T AT 01270950T AT 01270950 T AT01270950 T AT 01270950T AT E421796 T1 ATE421796 T1 AT E421796T1
Authority
AT
Austria
Prior art keywords
distorter
post
output signal
linear device
linear
Prior art date
Application number
AT01270950T
Other languages
English (en)
Inventor
Thorsten Nygren
Leonard Rexberg
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
Application granted granted Critical
Publication of ATE421796T1 publication Critical patent/ATE421796T1/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
    • H03F1/3258—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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Telephonic Communication Services (AREA)
  • Alarm Systems (AREA)
AT01270950T 2000-12-13 2001-11-28 Vorverzerrung nichtlinearer einrichtungen durch nachdetektion ATE421796T1 (de)

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 (1)

Publication Number Publication Date
ATE421796T1 true ATE421796T1 (de) 2009-02-15

Family

ID=20282212

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01270950T ATE421796T1 (de) 2000-12-13 2001-11-28 Vorverzerrung nichtlinearer einrichtungen durch nachdetektion

Country Status (8)

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

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE60137543D1 (de) 2009-03-12
US20040032297A1 (en) 2004-02-19
SE0004609L (sv) 2002-06-14
AU2002218599A1 (en) 2002-06-24
EP1350312B1 (de) 2009-01-21
US6850114B2 (en) 2005-02-01
CN1481607A (zh) 2004-03-10
SE517968C2 (sv) 2002-08-06
CN100508369C (zh) 2009-07-01
WO2002049207A1 (en) 2002-06-20
SE0004609D0 (sv) 2000-12-13
EP1350312A1 (de) 2003-10-08

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Legal Events

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