Institute Newton C. Braga

Circuit Bench

Dual Output Differential Amplifier (CB6640E)
This circuit was found in a 1965 Electronic Design. The transistors are of the time, but the...
Portable Amplifier (CB1399E)
This circuit is of an old Argentine magazine of the 70's. The difficulty for its assembly is in...
Soft Start Incandescent Dimmer (CB13221E)
This circuit is from a publication from the 70s, but it can be implemented with modern components such...