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 high-performance circuit was found in the 1982 SGS Linear Integrated Circuits Manual. The...
Found in a 90s Electronics Engineering, this circuit makes use of components of the time. The...
Found in a magazine 73 for radio amateurs, this circuit has two settings, one for the interval and the...