The trigger element of this circuit is a neon lamp. The SCR admits an equivalent. We found it in an American documentation from the 80s.
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...