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.
The critical component of this circuit is the transformar. We found it in an 1980s documentation....
The purpose of this circuit is to enable testing of transistors using a common multimeter. With the...
The TL431 integrated circuit consists of a programmable shunt regulator with an internal...