Found in a 90’s Electronic Engineering, this circuit detects the lack of phase in the supply of a three-phase load, powering a cut-off system.
What differentiates the circuit shown in the figure is the use of two inverter gates to trigger the...
The purpose of this circuit is to turn off the power supplied by a battery when its voltage drops...
We found this conventional receiver circuit in a 1990 documentation. The circuit includes an audio...