This circuit generates high pulses from a sinusoidal input, using SCRs for this purpose. The pulses are positive and negative, as shown in the figure and the SCRs admit equivalents.
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...
Found in a 90s Silicon Chip documentation this circuit is intended to protect a speaker system in...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...