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  • Comparator-based switched-capacitor delta-sigma modulation
    Momeni, Massoud ...
    In order to eliminate the use of operational amplifiers (opamps) in sampled-data systems and thus avoid several delicate tradeoffs involved with their design, a new class of switched-capacitor ... circuits based on comparators was reported. The novelty of this comparator-based switched-capacitor (CBSC) design method is the detection of a virtual ground condition rather than forcing it through feedback as in the case of opamp-based systems. In this paper, the previously reported CBSC circuit was extended to a differential configuration. As an application; first-and second-order low-power lowpass discrete-time AE modulators with CBSC gain stages were designed and their performance evaluated.
    Vir: Contemporary engineering sciences [Elektronski vir] (Vol. 1, no. 1, 2008, str. 1-13)
    Vrsta gradiva - članek, sestavni del
    Leto - 2008
    Jezik - angleški
    COBISS.SI-ID - 12667158