This circuit for SCR triggering using a neon lamp in a full wave system was found in a 1968 US documentation. No details of the pulse transformer were given.
This circuit is from 2001 documentation, serving to multiplex stereo signals for FM transmitters. The...
This circuit reverses the signal if both positive and negative. We found it in an American...
Found in a publication by Gernsback from 1960, this circuit makes use of germanium transistors of the time....