This circuit is from a Radio Electronics from March 1960. The generator works with a 22.5 V battery, generating good intensity signals determined by the LC circuit.
The purpose of this circuit is to produce a quick discharge on a shorted battery to attempt its...
This circuit can be connected to the output of alarms or sirens with the 555, CMOS or TTL,...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...