• DocumentCode
    930903
  • Title

    Tunability of ferroelectric varactors up to 60 GHz

  • Author

    Burgnies, L. ; Vélu, G. ; Blary, K. ; Carru, J.-C. ; Lippens, D.

  • Author_Institution
    Lab. d´´Etude des Mater. et Composants pour l´´Electron., Univ. du Littoral, Calais
  • Volume
    43
  • Issue
    21
  • fYear
    2007
  • Firstpage
    1151
  • Lastpage
    1152
  • Abstract
    A TRL-multiline de-embedding technique for the determination of the electrical parameters of interdigitated varactors over a broad centimetre-millimetre band is proposed. The method is applied to voltage- controlled ferroelectric (BaSrTiO3) varactors, which exhibit almost constant frequency dependence of the capacitance (epsivr~300) from 10 to 60 GHz. The capacitance ratio is ~2 for a 30 V bias offset, and the quality factor is of the order 10 at 30 V.
  • Keywords
    barium compounds; ferroelectric devices; strontium compounds; titanium compounds; varactors; BaSrTiO3; TRL-multiline deembedding technique; bias offset; broad centimetre-millimetre band; capacitance; frequency 10 GHz to 60 GHz; interdigitated varactors; quality factor; tunability; voltage-controlled ferroelectric varactors;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20071996
  • Filename
    4349259