T. Vasseaux B. Huyart Patrick Loumeau Jean-François Naviner A track&hold-mixer for direct-conversion by subsampling. 584-587 1999 conf/iscas/1999 ISCAS (4) http://doi.ieeecomputersociety.org/10.1109/ISCAS.1999.780072 db/conf/iscas/iscas1999-4.html#VasseauxHLN99