Published in the September 1973 issue of Radio Electronics magazine, this diagram may be useful to restorers, since the integrated circuit is no longer manufactured.
This immobilizer circuit for the car was found in the Radio Electronics magazine of December 1976....
This circuit allows the activation of a remote telephone bell made with a common piezoelectric capsule. The...
This circuit can act as a receiver for the transmitter of the previous circuit. We found it in...