Found in an EDN from the 90s, this regulator makes use of the integrated circuit of the time. The input can be from 8 to 20 V.
This circuit was obtained in a 1978 English magazine. This adjustable stabilized power source...
This circuit was found in old documentation, but as it uses the 555 it can still be easily...
This timer with field effect transistors was obtained from Fairchild documentation. The times...