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FI20065783A0 - Signalfördistorsion i radiosändare - Google Patents

Signalfördistorsion i radiosändare

Info

Publication number
FI20065783A0
FI20065783A0 FI20065783A FI20065783A FI20065783A0 FI 20065783 A0 FI20065783 A0 FI 20065783A0 FI 20065783 A FI20065783 A FI 20065783A FI 20065783 A FI20065783 A FI 20065783A FI 20065783 A0 FI20065783 A0 FI 20065783A0
Authority
FI
Finland
Prior art keywords
distortion
signal pre
radio transmitters
transmitters
radio
Prior art date
Application number
FI20065783A
Other languages
English (en)
Finnish (fi)
Inventor
Jorma Matero
Marko J Alanen
Jussi H Vepsaelaeinen
Jaako Maunuksela
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority to FI20065783A priority Critical patent/FI20065783A0/sv
Publication of FI20065783A0 publication Critical patent/FI20065783A0/sv
Priority to US11/657,542 priority patent/US7742748B2/en
Priority to US11/681,722 priority patent/US7594059B2/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B1/0475Circuits with means for limiting noise, interference or distortion
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0408Circuits with power amplifiers
    • H04B2001/0425Circuits 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)
  • Information Transfer Systems (AREA)
FI20065783A 2006-12-08 2006-12-08 Signalfördistorsion i radiosändare FI20065783A0 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20065783A FI20065783A0 (sv) 2006-12-08 2006-12-08 Signalfördistorsion i radiosändare
US11/657,542 US7742748B2 (en) 2006-12-08 2007-01-25 Signal predistortion in radio transmitter
US11/681,722 US7594059B2 (en) 2006-12-08 2007-03-02 Multi-interfaced accessory device for use with host computing systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20065783A FI20065783A0 (sv) 2006-12-08 2006-12-08 Signalfördistorsion i radiosändare

Publications (1)

Publication Number Publication Date
FI20065783A0 true FI20065783A0 (sv) 2006-12-08

Family

ID=37623799

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20065783A FI20065783A0 (sv) 2006-12-08 2006-12-08 Signalfördistorsion i radiosändare

Country Status (2)

Country Link
US (2) US7742748B2 (sv)
FI (1) FI20065783A0 (sv)

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Also Published As

Publication number Publication date
US20080140902A1 (en) 2008-06-12
US20080139140A1 (en) 2008-06-12
US7742748B2 (en) 2010-06-22
US7594059B2 (en) 2009-09-22

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