• DocumentCode
    2396844
  • Title

    Excess loop delay effects in continuous-time delta-sigma modulators and the compensation solution

  • Author

    Gao, Wenzhong ; Shoaei, Omid ; Snelgrove, W. Martin

  • Author_Institution
    Dept. of Electron., Carleton Univ., Ottawa, Ont., Canada
  • Volume
    1
  • fYear
    1997
  • fDate
    9-12 Jun 1997
  • Firstpage
    65
  • Abstract
    In this paper, we show that excess loop delay seriously degrades the performance of continuous-time delta-sigma modulators (ΔΣM´s). It is then demonstrated in theory that the effect can be alleviated by tuning the feedback digital-to-analog converter pulse-shaping coefficients
  • Keywords
    circuit feedback; circuit tuning; compensation; continuous time systems; delays; modulators; sigma-delta modulation; transfer functions; compensation; continuous-time delta-sigma modulator; excess loop delay effects; feedback DAC pulse-shaping coefficients; tuning; Analog-digital conversion; Band pass filters; Clocks; Degradation; Delay effects; Delta modulation; Prototypes; Pulse modulation; Resonator filters; Transfer functions;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Circuits and Systems, 1997. ISCAS '97., Proceedings of 1997 IEEE International Symposium on
  • Print_ISBN
    0-7803-3583-X
  • Type

    conf

  • DOI
    10.1109/ISCAS.1997.608531
  • Filename
    608531