This experimental circuit with Nixie tube was found in the Radio Electronics magazine of March 1969. The circuit serves for demonstrations and also for testing these digital indicator tubes.
The great advantage of the circuit shown in the figure is the fact that its frequency is...
This power supply provides a12 V stabilized output. The transistor must be provided with a good...
Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be...