A. Lombardi Edoardo Bonizzoni Piero Malcovati Franco Maloberti A Low Power Sinc3 Filter for Sigma-Delta Modulators. 4008-4011 2007 conf/iscas/2007 ISCAS http://doi.ieeecomputersociety.org/10.1109/ISCAS.2007.378797 db/conf/iscas/iscas2007.html#LombardiBMM07