Institute Newton C. Braga

Circuit Bench

Digital to analog converter (CB20539E)
Indicated for applications with a PC, this circuit was found in an English documentation from...
Walkman amplifier (CB8461E)
This circuit was published in a 90s Radio Electronics. The circuit uses the well-known LM386 that...
Common Dimmer (CB5276E)
This dimmer, from an old publication, can use almost any triac and in shooting a neon lamp. The...