No, but at the top of it. Otherwise the voltage on the ADC input whith the FET switched off would be= =20 higher than VDD for my application. Vdd could actually also be 0V since the= PIC=20 could be switched off. This was for measuring the voltage of LiIon battery = in a=20 battery/USB powered device. /Ruben > Has anyone used a FET switch, at the bottom of the voltage divider fed in= to the > ADC, controlled by the PIC?=20 >=20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .