This circuit was found in the January 1999 issue of Electronics Now magazine. The turn-on time is given by the capacitor and MOSFET and must be in accordance with the controlled load.
The circuit shown in the figure suppresses arcs in contacts when inductive loads are switched. The SCR can...
In the figure we show how to activate a relay from the output of a common operational amplifier when...
Found in American documentation, this basic circuit uses general purpose transistors. The circuit...