This converter that allows high voltages to be obtained from batteries was found in Radio Electronics magazine from June 1959. The circuit uses a special transformer providing 9 to 18W of output.
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...