This power control circuit was found in General Electric documentation from 1969. The table provides the components for different types of loads. The integrated circuit is uncommon today.
Published in Radio Electronics in January 1963, this circuit uses 5 transistors of the time. The...
The transistor of this old mixer can be the BC558 and the power can be done with batteries,...
The output voltage of this regulator circuit can be cut (dropping to 1.2 V) from a high level...