Triac driver (CB22446E)

The presented circuit uses an optocoupler to trigger a triac. We found it in a Popular Electronics from 1992.

MC1310 FM Decoder (CB24282E)
This is the circuit published in the August 1973 issue of Radio Electronics magazine announcing its...
Dalayed Turn-On Gate (CB123)
This circuit can be used to add a delay to a logic signal as shown by the input and output...
Active Middle Control (CB13927E)
This tone control was obtained in the Audio Handbook of the National Semiconductor of 1977. The...