Found in a 1967 GE SCR manual, this circuit is intended to control resistive loads, such as heating elements, up to 5 kW.
For experiments with ionization chambers and Geiger valves this circuit generates high voltage from...
This control allows to start or stop a motor up to 3 or 4 A with a low intensity signal. The...
The battery is charged by the photocell that keeps the low consumption beacon in the dark. The...