This simple neon lamp oscillator produces a 140 Hz, 40 V peak-to-peak signal. The frequency is given by the capacitor that can have its value changed. Note the high supply voltage.
This bridge amplifier (BTL) is from the SGS linear integrated circuit manual. The circuit is...
This circuit was suggested by Siliconix in a 1980s publication. The circuit uses components from the time...
This circuit, which may have appeared elsewhere on this site, is from the integrated...