We found this circuit in the April 1982 Radio Electronics magazine. It contains a good power stage whose transistor must be mounted on a good heat sink.
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
This circuit uses a GE optical coupler. Equivalents can be tried. The circuit is from the GE...
This source of two voltages and two currents was found in documentation translated from Argentina. We...