This circuit is from a March 1967 Radio Electronics. The circuit applies to general purpose SCRs such as the TIC106, C106 and others. The test is done by increasing the gate voltage to the trigger point.
Using transistors at the time, this circuit was found in a 1967 Ferranti documentation. The...
These circuits were found in Exar documentation from the 90s. The circuits use both a small...
Found in Radio Electronics, this circuit is intended to activate the lighting system of garages...