This switched-mode circuit was found in the April 1976 issue of Radio Electronics magazine. The circuit has low current and is suitable for 6 V digital applications.
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...