Institute Newton C. Braga

Circuit Bench

Up to 1000 W Power Control (CB16463E)
This traditional triac power control circuit can control loads up to 1000 W. The triac must be...
Intercom amplifier (CB23690E)
Described in an article that taught how to assemble the complete intercom in Radio Electronics magazine...
Optical Isolator Test (CB26107E)
The figure shows a simple test circuit for optical isolators with photodiodes. The circuit was...