Institute Newton C. Braga

Circuit Bench

Horn (CB18961E)
This circuit can also be used as a shield if the excitation is made with 5 V and the output stage...
Commercial MW Radio 7TR 203 (CB18357E)
This is a Japanese commercial radio from the 60s. The superheterodyne circuit of 7 transistors for medium...
Triac Power Switch (CB25074E)
The maximum power of the controlled load depends on the triac used. The circuit is from a Radio...