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.
This circuit is from an American publication about old neon lamps. The circuit is leak proof and...
Another useful audio circuit using an operational amplifier is the one shown in the figure. It is a...
This circuit is from a 1979 publication. The sensor consists of plates or screens that, when...