This 1965 General Electric circuit uses a "Thyrector" that is a suppressor of the time. The setting shows your use of the trigger line.
This circuit is suggested by National Semiconductor and has an excellent gain, for a photodiode as a...
With the circuit shown, when the brightness of one lamp decreases, that of the other increases. There is...
We found this circuit in an Intersil documentation. Temperature sensors are special components of the time,...