This 5 V power supply was found in the January 1992 issue of Radio Electronics magazine. The integrated circuit must be equipped with a heat sink and the current is 1 A.
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...