We found this good power amplifier with the LM12 integrated circuit in the March 1989 issue of Radio Electronics magazine. The output power is around 100 W.
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...