This voltage inverter circuit was found in a Mullard transistor manual from 1960. Information on the transformers was given. Transistors are germanium types.
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...