• DocumentCode
    1318860
  • Title

    Automatic adjustment of quadrature modulators

  • Author

    Faulkner, Michael ; Mattsson, Thomas

  • Author_Institution
    Dept. of Electr. & Electron. Eng., Victoria Univ. of Technol., Melbourne, Vic., Australia
  • Volume
    27
  • Issue
    3
  • fYear
    1991
  • Firstpage
    214
  • Lastpage
    216
  • Abstract
    A technique for the automatic correction of errors in RF quadrature modulators is described. The method uses a diode detector to provide amplitude feedback to guide the adaptation of baseband circuits that correct for carrier leak, differential gain and phase mismatch errors.
  • Keywords
    adaptive control; mobile radio systems; phase shift keying; QPSK; RF quadrature modulators; adaptation of baseband circuits; amplitude feedback; automatic correction of errors; carrier leak correction; differential gain correction; diode detector; phase mismatch error correction; quadrature modulators automatic adjustment;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19910139
  • Filename
    83217