Second-order ΔΣAD modulator with novel feedforward architecture

Abstract

This paper proposes novel feedforward architecture of a second-order DeltaSigmaAD modulator with single DAC- feedback topology. DeltaSigmaAD modulator realizes high resolution by oversampling and noise shaping technique. However, its SNDR (signal to noise and distortion ratio) is limited by the dynamic range of the input signal and non-idealities of… (More)

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