Jeroen De Maeyer Pieter Rombouts Ludo Weyten Nyquist-criterion based design of a CT SigmaDelta-ADC with a reduced number of comparators. 61-67 2009 42 Integration 1 http://dx.doi.org/10.1016/j.vlsi.2008.06.003 db/journals/integration/integration42.html#MaeyerRW09