This automotive circuit was found in the September 1992 issue of Radio Electronics magazine. The circuit directly drives a relay that must have a coil resistance greater than 65 ohms.
With this circuit it is possible to accelerate the discharge of a capacitor in a unijunction...
This circuit was found in a Poptronics of the 90's. The circuit limits the load current to 0.6 A....
The circuit presented is from the 1993 Motorola Linear Interface ICs. Other operational may be...