In the figure below we have the typical circuit of an automotive star alternator with the rectifier sector. The diodes depend on the current and the circuit is given as a reference for a Ford vehicle.
This circuit was obtained in a 1979 publication. The operational amplifier is of the type with...
This circuit was obtained in a 90’s Popular Electronics. The frequency depends on C1, a component...
Because it uses TTL integrated circuits, this siren must be powered by 5 V or as indicated with D1 to...