Institute Newton C. Braga

Circuit Bench

Antique Analog Multimeter (CB18867E)
This is the circuit of a sensitive analog multimeter from the 70s. Remember that in this type of...
Switching Regulator (CB25207E)
Using a MAX644 this circuit was found in the April 1989 issue of Radio Electronics magazine. The...
Heads or tails 555 (CB22202E)
This is another one of the many versions of this circuit that we have in this section. We found it in...