Tones, Saturation, and SNR in Doubel Loop Sigma Delta Modulators. - Mariam Motamed; Avideh Zakhor; Seth Sanders (ISCAS, 1993)

Analysis of Tones in the Double Loop SigmaDelta Modulator with Unstable Filter Dynamics. - Mariam Motamed; Seth Sanders; Avideh Zakhor (ISCAS, 1994)