GB2382480B - Power amplifier arrangements - Google Patents

Power amplifier arrangements

Info

Publication number
GB2382480B
GB2382480B GB0128010A GB0128010A GB2382480B GB 2382480 B GB2382480 B GB 2382480B GB 0128010 A GB0128010 A GB 0128010A GB 0128010 A GB0128010 A GB 0128010A GB 2382480 B GB2382480 B GB 2382480B
Authority
GB
United Kingdom
Prior art keywords
power amplifier
amplifier arrangements
arrangements
power
amplifier
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
GB0128010A
Other versions
GB2382480A (en
GB0128010D0 (en
Inventor
Julian Richard Trinder
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB0128010A priority Critical patent/GB2382480B/en
Publication of GB0128010D0 publication Critical patent/GB0128010D0/en
Priority to AU2002358497A priority patent/AU2002358497A1/en
Priority to PCT/EP2002/012614 priority patent/WO2003044943A1/en
Publication of GB2382480A publication Critical patent/GB2382480A/en
Application granted granted Critical
Publication of GB2382480B publication Critical patent/GB2382480B/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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • 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
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • 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

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)
GB0128010A 2001-11-22 2001-11-22 Power amplifier arrangements Expired - Fee Related GB2382480B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0128010A GB2382480B (en) 2001-11-22 2001-11-22 Power amplifier arrangements
AU2002358497A AU2002358497A1 (en) 2001-11-22 2002-11-12 Power amplifier arrangements with predistorter comprising vector modulators
PCT/EP2002/012614 WO2003044943A1 (en) 2001-11-22 2002-11-12 Power amplifier arrangements with predistorter comprising vector modulators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0128010A GB2382480B (en) 2001-11-22 2001-11-22 Power amplifier arrangements

Publications (3)

Publication Number Publication Date
GB0128010D0 GB0128010D0 (en) 2002-01-16
GB2382480A GB2382480A (en) 2003-05-28
GB2382480B true GB2382480B (en) 2005-03-30

Family

ID=9926258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0128010A Expired - Fee Related GB2382480B (en) 2001-11-22 2001-11-22 Power amplifier arrangements

Country Status (3)

Country Link
AU (1) AU2002358497A1 (en)
GB (1) GB2382480B (en)
WO (1) WO2003044943A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2512912B (en) 2013-04-11 2017-06-14 Broadcom Corp Apparatus and Method for Signal Predistortion

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838195A (en) * 1996-08-06 1998-11-17 Northrop Grumman Corporation Reduction of second order harmonic distortion in high power TWT amplifiers
WO2000048308A1 (en) * 1999-02-12 2000-08-17 Wireless Systems International Limited Signal processing apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5424680A (en) * 1993-11-30 1995-06-13 Harmonic Lightwaves, Inc. Predistorter for high frequency optical communications devices
JP2967699B2 (en) * 1995-03-06 1999-10-25 日本電気株式会社 Transmission device
US6108385A (en) * 1996-07-08 2000-08-22 Silicon Wireless Limited Method and apparatus for reducing intermodulation distortion in digital wideband transmission systems
JP3772031B2 (en) * 1998-09-02 2006-05-10 富士通株式会社 Amplifier predistorter and amplifier
WO2001056146A1 (en) * 2000-01-26 2001-08-02 Nokia Corporation Method and system for compensating non-linearities and time-varying changes of a transfer function acting on an input signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838195A (en) * 1996-08-06 1998-11-17 Northrop Grumman Corporation Reduction of second order harmonic distortion in high power TWT amplifiers
WO2000048308A1 (en) * 1999-02-12 2000-08-17 Wireless Systems International Limited Signal processing apparatus

Also Published As

Publication number Publication date
AU2002358497A1 (en) 2003-06-10
WO2003044943A1 (en) 2003-05-30
GB2382480A (en) 2003-05-28
GB0128010D0 (en) 2002-01-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051122