Suggested by a 1968 documentation, this circuit limits the current of a regulator and can be adapted to other currents. The transistors are from the era.
Flybacks are no longer misused. However, if the reader wants to recover an old analog television...
This 3V-only circuit was found in old American documentation, but can be implemented with...
This circuit has a configuration that can be found elsewhere on this site. The power supply can...