Institute Newton C. Braga

Circuit Bench

Gain 40 000 Amplifier (CB20672E)
Suggested by Philips documentation from 1968, this circuit uses components from the era that can...
Half wave rectifier (CB9694E)
This circuit was found in ancient American documentation. Equivalent operational amplifiers can be...
Dark Alarm (CB25477E)
This sensitive circuit with common transistors was found in the Radio Electronics magazine of July...