This Circuit can be powered from anything between 6 to 30V DC, increasing supply voltage will increase the gain and the electrolytic capacitors must be rated higher than the supply voltage.
Description IC LF351
The LF351 is JFET input operational amplifier with an internally compensated input offset voltage. The JFET input device provides wide bandwidth, low input bias currents and offset currents.
Features IC LF351
• Internally trimmed offset voltage: 10mV
• Low input bias current : 50pA
• Wide gain bandwidth : 4MHz
• High slew rate : 13V/μs
• High input impedance : 1012Ω