The integrated circuit used in this regulator is not common today. The circuit is from a technical documentation from the 80's and is only used as a reference for eventual repair.
This circuit, found in a 1986 documentation, uses an optical sensor to count pulses and, in its...
This different alarm system, found in an old publication, uses the starter chain to protect the...
This circuit was obtained from an American publication of the 80's. The integrated circuit is of the...