We found this circuit in the 1983 Radio Electronics Special projects magazine. The components are common, and the circuit drives a relay. The power supply must be isolated.
Based on the Linear Technology LTC2054, this -48 V circuit was found in a 2005 manual. The circuit is...
A very interesting integrated circuit for step-down converter designs (voltage reducers) with an...
The circuit shown in the figure suppresses arcs in contacts when inductive loads are switched. The SCR can...