The circuit shown is from Motorola's 1990 Linear Databook. Shaded components are optional. The characteristics of the coils are given next to the diagram.
Equivalent transistors can be used in this circuit for automotive applications in the 1980s. The...
This circuit has a traditional configuration explored in several other points of this site. The...
This simple circuit makes use of neon lamps to indicate the voltage of a power grid. The lamps are...