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.
This circuit was presented in a January 1990 Radio Electronics magazine article as part of a home...
This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used...
Found in a 1965 Electronic Design, this circuit divides the frequency of a 50 MHz signal by 2. The...