Institute Newton C. Braga

Circuit Bench

25 W Modulator (CB4228E)
This modulator circuit is nothing more than an audio amplifier that serves to modulate amplitude...
No Break (CB4308E)
This project was originally made to feed small microcomputers of the time (1986). However, the basic...
High speed alarm (CB20663E)
Found in documentation from the 1970s, this circuit uses an oscillator and a display to warn of...