GB2347033B - Distortion control - Google Patents

Distortion control

Info

Publication number
GB2347033B
GB2347033B GB9903922A GB9903922A GB2347033B GB 2347033 B GB2347033 B GB 2347033B GB 9903922 A GB9903922 A GB 9903922A GB 9903922 A GB9903922 A GB 9903922A GB 2347033 B GB2347033 B GB 2347033B
Authority
GB
United Kingdom
Prior art keywords
distortion control
distortion
control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9903922A
Other versions
GB2347033A (en
GB9903922D0 (en
Inventor
Peter Kenington
Anthony Michael New
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wireless Systems International Ltd
Original Assignee
Wireless Systems International Ltd
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 Wireless Systems International Ltd filed Critical Wireless Systems International Ltd
Priority to GB9903922A priority Critical patent/GB2347033B/en
Publication of GB9903922D0 publication Critical patent/GB9903922D0/en
Priority to AU24498/00A priority patent/AU2449800A/en
Priority to PCT/GB2000/000417 priority patent/WO2000049711A1/en
Publication of GB2347033A publication Critical patent/GB2347033A/en
Application granted granted Critical
Publication of GB2347033B publication Critical patent/GB2347033B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9903922A 1999-02-19 1999-02-19 Distortion control Expired - Fee Related GB2347033B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9903922A GB2347033B (en) 1999-02-19 1999-02-19 Distortion control
AU24498/00A AU2449800A (en) 1999-02-19 2000-02-10 Distortion control
PCT/GB2000/000417 WO2000049711A1 (en) 1999-02-19 2000-02-10 Distortion control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9903922A GB2347033B (en) 1999-02-19 1999-02-19 Distortion control

Publications (3)

Publication Number Publication Date
GB9903922D0 GB9903922D0 (en) 1999-04-14
GB2347033A GB2347033A (en) 2000-08-23
GB2347033B true GB2347033B (en) 2001-08-01

Family

ID=10848178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9903922A Expired - Fee Related GB2347033B (en) 1999-02-19 1999-02-19 Distortion control

Country Status (3)

Country Link
AU (1) AU2449800A (en)
GB (1) GB2347033B (en)
WO (1) WO2000049711A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0123494D0 (en) * 2001-09-28 2001-11-21 Roke Manor Research Polynormial pre-disorter
US6674326B1 (en) * 2002-06-17 2004-01-06 The Boeing Company Digitally controllable nonlinear pre-equalizer
WO2006066448A1 (en) * 2004-12-21 2006-06-29 Zte Corporation A signal nonlinear distortion magnitude detection method and device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570063A (en) * 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity
WO1998004034A1 (en) * 1996-07-23 1998-01-29 Spectrian Rf amplifier having adaptative predistortion circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051704A (en) * 1990-02-06 1991-09-24 Motorola, Inc. Feedforward distortion cancellation circuit
US5892397A (en) * 1996-03-29 1999-04-06 Spectrian Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570063A (en) * 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity
WO1998004034A1 (en) * 1996-07-23 1998-01-29 Spectrian Rf amplifier having adaptative predistortion circuit

Also Published As

Publication number Publication date
AU2449800A (en) 2000-09-04
GB2347033A (en) 2000-08-23
WO2000049711A1 (en) 2000-08-24
GB9903922D0 (en) 1999-04-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100219