• DocumentCode
    1420083
  • Title

    Distortion and its compensation in a varactor-controlled frequency modulator

  • Author

    Otala, M.

  • Author_Institution
    University of Oulu, Department of Electrical Engineering, Oulu, Finland
  • Volume
    117
  • Issue
    2
  • fYear
    1970
  • fDate
    2/1/1970 12:00:00 AM
  • Firstpage
    338
  • Lastpage
    342
  • Abstract
    The nonlinearity of the voltage-frequenc characteristic of a frequency modulator is a factor of primary importance when designing, for example, high-quality modulators for large-capacity microwave links. The nonlinearities of a varactor-controlled oscillator are derived. A theory of various distortion-conpensation circuits is developed. Distortion compensation is applied to push-pull modulator, and 1800¿2700-channel radio links, are shown.
  • Keywords
    electric distortion; modulators;
  • fLanguage
    English
  • Journal_Title
    Electrical Engineers, Proceedings of the Institution of
  • Publisher
    iet
  • ISSN
    0020-3270
  • Type

    jour

  • DOI
    10.1049/piee.1970.0069
  • Filename
    5249033