A non-sinusoidal 120 V voltage can be obtained with this circuit found in the December 1992 Radio Electronics magazine. The power is a few watts.
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...