This conventional filter circuit is from American documentation from the 1990s. The operational amplifier admits an equivalent and the power supply must be symmetrical.
This circuit was originally designed to measure capacitance with an ICL7107 but can be used with...
This circuit was found in the October 1989 issue of Radio Electronics magazine. It drives an...
A voltage of 13.5V with a current of up to 5 A can be obtained with this high current regulator stage...