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 common configuration source with diode bridge and single winding transformer was found in a...
In the figure we have an interesting circuit in which an LED is used as a photoelectric sensor. When...
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...