Suggested by a 90s Radio Elecrtronics, this circuit is intended to supply mobile equipment of the time. The transformer data is given next to the diagram.
In the figure we have a simple signal tracer circuit to be coupled to the volume control of an AM...
This circuit was found in documentation from the 90s, using components from that time. The...
This circuit, obtained from old documentation, allows the recovery of sulfated batteries. The...