This regulator can be controlled by a logic signal. The circuit is from an Electronics Now from the 90s. Note that the switching transistor is before the integrated circuit.
The basic idea of this circuit is to insert a mark on a signal that is being observed on an...
The circuit shown in the figure on the right can be used on a data transfer bus with the use of an...
This circuit was obtained in a European documentation of the 80's. The circuit uses common...