Opto control for triac (CB20552E)

Found a documentation for PC from 1992, this circuit is indicated for the English power grid of 240 V.

FM Station (CB4462E)
Powered by 12 or 13.6 V, this transmitter has an output power of the order of 1 W, which provides...
Digital Target Shooting (CB3839E)
This shoot-to-target game uses well-known CMOS circuits and the player hits the LED by squeezing...
CMOS 4001 Crystal Oscillator (CB888E)
Frequencies up to 5 MHz can be poroduced by this circuit. The output is a square wave signal. The...