With a 120 ohms resistor this circuit can also be used as a shield for 3.3 V output voltages. The circuit uses an opto-diac enabling the control of triacs connected to the power grid with total isolation.
In the figure we have the way to control a triac of the TIC series with a low voltage through a...
This circuit was obtained in a Radio Shack documentation from 1977. It consists of a didactic...
Found in a 1968 EEE, this circuit uses transistors from that time. The output is 300 ns....