Institute Newton C. Braga

Circuit Bench

Battery Step Up Switched Regulator (CB6065E)
This is a circuit suggested by Linear Technology in a 1980s documentation. The integrated circuit is from...
Electronic password (CB17331E)
We found this simple password logic circuit using LEDs and keys, with no active component, in a...
BC548 and BC558 Amplifier (CB12019E)
Instead of BC108 we can use BC548 and instead of BC214 we can use BC558 in this low power...