This amplifier step for small signals can use any general-purpose transistor like the BC548. The circuit can be powered by voltages from 6 to 12 V.
This circuit came out in a publication called Electronics Handbook of 1993. The circuit shows how...
This is the conventional version of capacitance multiplier with operational amplifier that appears in...
) The integrated circuit used in this control is uncommon today and the maximum current obtained allows...