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 basic configuration can be found in a lot of articles on this site. In this case, the relay...
This high pass filter was found in the February 1996 Electronics Now magazine. The circuit...
Found in General Electric documentation from 1967, this circuit uses an unusual PUT today. The...