This small battery-powered high-voltage generator was found in Radio Electronics magazine from June 1965. The transformer is the power supply type determining the output voltage,
In a modern version this circuit can use an LED in series with a resistor in place of the lamp. The...
This bistable circuit with SCR for direct current was found in the Radio Electronics magazine of...
The configuration shown in the figure uses two NPN transistors activating the load when the input...