Institute Newton C. Braga

Circuit Bench

Common collector stage (CB9062E)
Featuring low output impedance and high input impedance, this configuration was found in a 1980s...
Powergrid timer (CB9364E)
Found in an Elektor from the 90s, this circuit can be powered directly by the power grid. The...
Active Bandpass Filter (CB6723E)
Found in a 1970 American publication, this circuit uses transistors of the time. These transistors...