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.
This circuit provides a pulse train of 4 MHz or at another frequency determined by the crystal during...
The number of pulses produced by this circuit depends on the switch pressed. The circuit is from...
This circuit prevents the passage of frequencies in a range starting at 1 kHz and can be adjusted...