The maximum input voltage of this circuit is 20V and the output current is 250 mA. The circuit is from old documentation. The integrated circuit used is no longer common in our time.
The circuit, shown in the figure, activates a relay when the logic level applied to its input, from...
The traditional circuit was taken from a French magazine Radio Plans that no longer exists but can...
This circuit makes use of the LM11, 112 or 113 operatives and was found in a 1980s documentation. The...