Optimal and sub-optimal Loop Filter Responses for Continuous-Time ΔΣ Modulators. - Jean-Michel Hode; Christophe Flouzat; Jean-Luc De Gouy (Ann. des Télécommunications, 2002)

A parallel structure of a continuous-time filter for band-pass sigma-delta A/D converters. - Caroline Lelandais-Perrault; Philippe Bénabès; Jean-Luc De Gouy; Richard Kielbasa (ICECS, 2003)