you dont need OP-AMPyou can | Microcontroller › PIC › measuring 220V ac with MCU › you dont need OP-AMPyou can July 12, 2014 at 6:39 am #11890 Ashutosh BhattParticipant you dont need OP-AMP you can use simple diode positive clamper circuit. it will shift complete wave to positive side.
