• DocumentCode
    1023622
  • Title

    Sine-wave generation using a high-order lowpass switched-capacitor filter

  • Author

    Sandler, H.M. ; Sedra, A.S.

  • Author_Institution
    University of Toronto, Department of Electrical Engineering, Toronto, Canada
  • Volume
    22
  • Issue
    12
  • fYear
    1986
  • Firstpage
    635
  • Lastpage
    636
  • Abstract
    A switched-capacitor filter may be used to generate a sine wave by filtering a square wave derived from the filter´s clock. Using a high-order, rather than a second-order, filter eliminates the need for a precision high-Q filter response. With a seventh-order elliptic filter, this method achieved 0.07% total harmonic distortion.
  • Keywords
    low-pass filters; switched capacitor filters; THD 0.07%; high-order lowpass; seventh-order elliptic filter; sinewave generation; square wave filtering; switched-capacitor filter; total harmonic distortion;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19860435
  • Filename
    4256633