• DocumentCode
    3561206
  • Title

    Shadow filters for orthogonal modification of characteristic frequency and bandwidth

  • Author

    Biolkova, Viera ; Biolek, Dalibor

  • Author_Institution
    Dept. of Radio Electron., Brno Univ. of Technol., Brno, Czech Republic
  • Volume
    46
  • Issue
    12
  • fYear
    2010
  • Firstpage
    830
  • Lastpage
    831
  • Abstract
    The idea of shadow filters for modifying the characteristic frequency f0 of second-order filter cells via an external amplifier is generalised to the case of independent control of f0 and bandwidth. This theory is confirmed experimentally on a current-mode biquad.
  • Keywords
    amplifiers; biquadratic filters; current-mode circuits; bandwidth; characteristic frequency; current-mode biquad; external amplifier; orthogonal modification; second-order filter cells; shadow filter;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el.2010.0717
  • Filename
    5483951
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3561206