• DocumentCode
    1102365
  • Title

    The noise gain of a digital butterworth ladder filter

  • Author

    Bretherton, Chris ; Steinhardt, Allan

  • Author_Institution
    Massachusetts Institute of Technology, Cambridge, MA
  • Volume
    31
  • Issue
    6
  • fYear
    1983
  • fDate
    12/1/1983 12:00:00 AM
  • Firstpage
    1576
  • Lastpage
    1577
  • Abstract
    We show that any digital Butterworth ladder filter has a noise gain of N/2, where N is the filter order. The result is obtained by linking the noise gain to the average time delay of an analog Butterworth filter, which we show to be N/4E.
  • Keywords
    Band pass filters; Delay effects; Digital filters; Fourier transforms; Frequency response; Joining processes; Low pass filters; Nonlinear filters; Passband; Quantization;
  • fLanguage
    English
  • Journal_Title
    Acoustics, Speech and Signal Processing, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0096-3518
  • Type

    jour

  • DOI
    10.1109/TASSP.1983.1164239
  • Filename
    1164239
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1102365