Originally designed to analyze the shape of light pulses from a flash for photographic applications, this circuit can be used in other applications. We found it in a Hands On from the 90s.
This circuit uses a capacitor to store energy. The capacitor is charged by closing S1 by a moment. Them,...
This circuit is both a signal injector and a signal follower. A key selects the operating mode. The...
The difference between this circuit and the previous one is that it uses PNP transistors. The...