Institute Newton C. Braga

Circuit Bench

Temperature Regulator For Brooder (CB17052E)
This interesting project was found in a 1995 documentation. It controls the temperature of the...
Tape preamplifier (CB20575E)
With NAB equalization we found this circuit in an English documentation from 1967. The transistors used...
12 V x 700 mA supply (CB20181E)
This stabilized source can supply currents up to 700 mA and the output voltage is close to 15 V. a...