Giovanni Palmisano Salvatore Pennisi A 20-dB CMOS IF amplifier with embedded single-to-differential input converter. 196-199 1999 conf/iscas/1999 ISCAS (2) http://doi.ieeecomputersociety.org/10.1109/ISCAS.1999.780657 db/conf/iscas/iscas1999-2.html#PalmisanoP99