Triac driver (CB22446E)

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

Digital Inverter with PNP Transistor (CB25626E)
This circuit inverts the signal of any logic using a general purpose PNP transistor. The supply...
Intelligent Overhead Crane (CB16769E)
This Industrial Track or overhead crane slows down when it detects more objects. The circuit has a...
Low Voltage 455 kHz IF (CB8413E)
This stage of IF to 455 kHz operates with voltages from 1.5 V. We find it in a 90s Popular...