GB2375248B - Analogue and digital signal processing - Google Patents

Analogue and digital signal processing

Info

Publication number
GB2375248B
GB2375248B GB0110563A GB0110563A GB2375248B GB 2375248 B GB2375248 B GB 2375248B GB 0110563 A GB0110563 A GB 0110563A GB 0110563 A GB0110563 A GB 0110563A GB 2375248 B GB2375248 B GB 2375248B
Authority
GB
United Kingdom
Prior art keywords
analogue
signal processing
digital signal
digital
processing
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
GB0110563A
Other versions
GB0110563D0 (en
GB2375248A (en
GB2375248A8 (en
Inventor
Peter Blakeborough Kenington
Mark Cope
Philip Knights
Graham Farquhar
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
Commscope Technologies LLC
Original Assignee
Wireless Systems International Ltd
Andrew LLC
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, Andrew LLC filed Critical Wireless Systems International Ltd
Priority to GB0110563A priority Critical patent/GB2375248B/en
Publication of GB0110563D0 publication Critical patent/GB0110563D0/en
Priority to AU2002253343A priority patent/AU2002253343A1/en
Priority to PCT/GB2002/001974 priority patent/WO2002089336A2/en
Publication of GB2375248A publication Critical patent/GB2375248A/en
Publication of GB2375248A8 publication Critical patent/GB2375248A8/en
Application granted granted Critical
Publication of GB2375248B publication Critical patent/GB2375248B/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
GB0110563A 2001-04-30 2001-04-30 Analogue and digital signal processing Expired - Fee Related GB2375248B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0110563A GB2375248B (en) 2001-04-30 2001-04-30 Analogue and digital signal processing
AU2002253343A AU2002253343A1 (en) 2001-04-30 2002-04-30 Analogue and digital signal processing
PCT/GB2002/001974 WO2002089336A2 (en) 2001-04-30 2002-04-30 Analogue and digital signal processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0110563A GB2375248B (en) 2001-04-30 2001-04-30 Analogue and digital signal processing

Publications (4)

Publication Number Publication Date
GB0110563D0 GB0110563D0 (en) 2001-06-20
GB2375248A GB2375248A (en) 2002-11-06
GB2375248A8 GB2375248A8 (en) 2004-04-21
GB2375248B true GB2375248B (en) 2005-05-11

Family

ID=9913745

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0110563A Expired - Fee Related GB2375248B (en) 2001-04-30 2001-04-30 Analogue and digital signal processing

Country Status (3)

Country Link
AU (1) AU2002253343A1 (en)
GB (1) GB2375248B (en)
WO (1) WO2002089336A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6926578B2 (en) * 2017-03-24 2021-08-25 富士通株式会社 Distortion compensation device and distortion compensation method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315583A (en) * 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5351016A (en) * 1993-05-28 1994-09-27 Ericsson Ge Mobile Communications Inc. Adaptively self-correcting modulation system and method
US6141390A (en) * 1997-05-05 2000-10-31 Glenayre Electronics, Inc. Predistortion in a linear transmitter using orthogonal kernels
WO2001008294A1 (en) * 1999-07-13 2001-02-01 Pmc-Sierra, Inc. Transmission antenna array system with predistortion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997008857A1 (en) * 1995-08-24 1997-03-06 British Telecommunications Public Limited Company Burst mode optical digital receiver and repeater
US5949472A (en) * 1996-12-10 1999-09-07 Intel Corporation Method and apparatus for tuning channels for CATV and television applications
US6163294A (en) * 1998-09-10 2000-12-19 Trimble Navigation Limited Time-tagging electronic distance measurement instrument measurements to serve as legal evidence of calibration

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315583A (en) * 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
US5351016A (en) * 1993-05-28 1994-09-27 Ericsson Ge Mobile Communications Inc. Adaptively self-correcting modulation system and method
US6141390A (en) * 1997-05-05 2000-10-31 Glenayre Electronics, Inc. Predistortion in a linear transmitter using orthogonal kernels
WO2001008294A1 (en) * 1999-07-13 2001-02-01 Pmc-Sierra, Inc. Transmission antenna array system with predistortion

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Alesis Introduces Andromeda, Real Analog Synthesizer" http://www.harmony-central.com/Newp/WNAMM00/Alesis/Andromeda.html *
"Battlesynth Galactica Alesis A6 Andromeda 16-Voice Analogue Synth" http://www.sospubs.co.uk/sos/apr01/articles/alesis.asp *

Also Published As

Publication number Publication date
GB0110563D0 (en) 2001-06-20
AU2002253343A1 (en) 2002-11-11
GB2375248A (en) 2002-11-06
WO2002089336A2 (en) 2002-11-07
GB2375248A8 (en) 2004-04-21
WO2002089336A3 (en) 2003-10-30

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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: 20110430