This circuit is from an American documentation from 1975. The circuit uses components of the time which can be replaced by modern equivalents. The coupler is homemade with a lamp and a photocell.
The source shown in the figure provides output voltages in the range of 1.2 to 25 V with currents up...
In this circuit, which uses only diodes, we have both simultaneous functions. The diodes are...
This circuit was found in a 1995 documentation. It deactivates a power supply in the event of a...