Found in Popular Electronics from the 90s, this circuit is intended for a radar emitting pistol. The circuit is very critical for the frequency at which it operates.
The first transistor can be the BF494 and the other BC548 on this MW radio found in a...
The basic idea of the circuit shown in the figure is to increase the brightness of an ordinary...
In the figure we show how to implement a bistable or flip-flop using a 555 integrated circuit. The circuit...