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 sensor used in this transistor is a common silicon transistor and the operational admits...
This circuit can control the power from 0 to 70% of the maximum power on a load. The circuit was...
We found this circuit in an Electronic Design from the 80's. The generated tone can be changed as well...