We found this circuit in the March 1991 issue of Radio Electronics magazine. The integrated circuit and the power transistor must be equipped with heat sinks.
What is a dual frequency generator for? There are several possibilities of use for this circuit. The...
The circuit, illustrated in the figure, consists of the direct application of the ULN2003 in which...
This circuit was found in a Popular Electronics from the 90's. The output signal can be applied to a...