This circuit was taken from an old American documentation. It can be built with modern op amps. The power supply does not have to be symmetrical.
We found this circuit in a Harris Semiconductor Databook of 1977. The circuit can be implemented with any...
This circuit can supply voltages in the range of 8 to 20 V with a maximum current of 3 A. The...
This circuit improves the performance of semi-automatic or six-pack machines, allowing the...