This car anti-theft circuit is from a Radio Electronics magazine from May 1986. The circuit inhibits the ignition system of cars with mechanical switching systems.
This circuit connected to the input of a good amplifier, with suitable coils can tune stations of medium...
This circuit was obtained in an American documentation of 1975. The transistor can be the BC548, and...
The values of the components of this Mullard (Philips) circuit depend on the desired voltages. The...