• DocumentCode
    1695174
  • Title

    Adaptive compensation of analog circuit imperfections for cascaded delta-sigma ADCs

  • Author

    Sun, Tao ; Wiesbauer, Andreas ; Temes, Gabor C.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA
  • Volume
    1
  • fYear
    1998
  • Firstpage
    405
  • Abstract
    Cascaded delta-sigma modulators are known to suffer from analog circuit imperfections. The adaptive algorithm and structure proposed in this paper can digitally compensate the effects of these imperfections using digital filtering. Experimental results show that after compensation a performance improvement of more than 25 dB in signal-to-noise-and-distortion ratio can be achieved
  • Keywords
    CMOS integrated circuits; adaptive filters; cascade networks; compensation; digital filters; sigma-delta modulation; CMOS IC; MASH structure; adaptive algorithm; adaptive compensation; analog circuit imperfections; cascaded delta-sigma ADCs; delta-sigma modulators; digital filtering; Adaptive algorithm; Analog circuits; Buildings; Capacitors; Delta modulation; Digital filters; Multi-stage noise shaping; Signal to noise ratio; Sun; Transfer functions;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on
  • Conference_Location
    Monterey, CA
  • Print_ISBN
    0-7803-4455-3
  • Type

    conf

  • DOI
    10.1109/ISCAS.1998.704459
  • Filename
    704459