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GB2384377B - Improvements in or relating to power amplifiers - Google Patents

Improvements in or relating to power amplifiers

Info

Publication number
GB2384377B
GB2384377B GB0209106A GB0209106A GB2384377B GB 2384377 B GB2384377 B GB 2384377B GB 0209106 A GB0209106 A GB 0209106A GB 0209106 A GB0209106 A GB 0209106A GB 2384377 B GB2384377 B GB 2384377B
Authority
GB
United Kingdom
Prior art keywords
relating
power amplifiers
amplifiers
power
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
GB0209106A
Other versions
GB0209106D0 (en
GB2384377A (en
Inventor
John Domokos
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.)
Siemens AG
Roke Manor Research Ltd
Original Assignee
Siemens AG
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 Siemens AG, Roke Manor Research Ltd filed Critical Siemens AG
Publication of GB0209106D0 publication Critical patent/GB0209106D0/en
Priority to CNA038022311A priority Critical patent/CN1615578A/en
Priority to EP03729431A priority patent/EP1466408B1/en
Priority to PCT/EP2003/000101 priority patent/WO2003061116A1/en
Priority to DE60306619T priority patent/DE60306619T2/en
Priority to AU2003235654A priority patent/AU2003235654A1/en
Priority to US10/501,780 priority patent/US20050141637A1/en
Publication of GB2384377A publication Critical patent/GB2384377A/en
Application granted granted Critical
Publication of GB2384377B publication Critical patent/GB2384377B/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
    • H03F1/3294—Acting on the real and imaginary components of the input signal

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB0209106A 2002-01-18 2002-04-22 Improvements in or relating to power amplifiers Expired - Fee Related GB2384377B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2003235654A AU2003235654A1 (en) 2002-01-18 2003-01-08 Improvements in or relating to power amplifiers
EP03729431A EP1466408B1 (en) 2002-01-18 2003-01-08 Improvements in or relating to power amplifiers
PCT/EP2003/000101 WO2003061116A1 (en) 2002-01-18 2003-01-08 Improvements in or relating to power amplifiers
DE60306619T DE60306619T2 (en) 2002-01-18 2003-01-08 IMPROVEMENT IN OR FOR PERFORMANCE AMPLIFIERS
CNA038022311A CN1615578A (en) 2002-01-18 2003-01-08 Improvements in or relating to power amplifiers
US10/501,780 US20050141637A1 (en) 2002-01-18 2003-01-08 Powers amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0201134A GB0201134D0 (en) 2002-01-18 2002-01-18 Improvements in or relating to power amplifiers

Publications (3)

Publication Number Publication Date
GB0209106D0 GB0209106D0 (en) 2002-05-29
GB2384377A GB2384377A (en) 2003-07-23
GB2384377B true GB2384377B (en) 2005-02-23

Family

ID=9929320

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0201134A Ceased GB0201134D0 (en) 2002-01-18 2002-01-18 Improvements in or relating to power amplifiers
GB0209106A Expired - Fee Related GB2384377B (en) 2002-01-18 2002-04-22 Improvements in or relating to power amplifiers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0201134A Ceased GB0201134D0 (en) 2002-01-18 2002-01-18 Improvements in or relating to power amplifiers

Country Status (1)

Country Link
GB (2) GB0201134D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248642B1 (en) 2002-02-05 2007-07-24 Andrew Corporation Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks
US7197085B1 (en) 2002-03-08 2007-03-27 Andrew Corporation Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
US7266159B2 (en) 2002-03-08 2007-09-04 Andrew Corporation Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks
US7139327B2 (en) 2002-06-10 2006-11-21 Andrew Corporation Digital pre-distortion of input signals for reducing spurious emissions in communication networks
US7251293B2 (en) 2003-06-27 2007-07-31 Andrew Corporation Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
US8711976B2 (en) 2011-05-12 2014-04-29 Andrew Llc Pre-distortion architecture for compensating non-linear effects

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105446A (en) * 1989-10-18 1992-04-14 Alcatel Transmission Par Faisceaux Hertziens Digital method of correcting non-linearity in a transmission chain, and apparatus implementing the method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105446A (en) * 1989-10-18 1992-04-14 Alcatel Transmission Par Faisceaux Hertziens Digital method of correcting non-linearity in a transmission chain, and apparatus implementing the method

Also Published As

Publication number Publication date
GB0201134D0 (en) 2002-03-06
GB0209106D0 (en) 2002-05-29
GB2384377A (en) 2003-07-23

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Legal Events

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

Effective date: 20060422