This circuit keeps the neon lamp on for a moment when it receives a pulse. The turn on time depends on C. The transistor is of the old type, from the 60's, when the circuit was published.
With the name of transitube we find this MW receiver in documentation from the 50's. It uses a...
This circuit can provide both positive and negative voltage outputs from 2 to 12 V with current up to...
In critical applications of the RS-232 interface, the danger of induced voltages in the cables must...