Institute Newton C. Braga

Circuit Bench

100 Gain Amplifier (CB16229E)
The circuit in the figure can be used in instruments, or other applications where it is desired to...
Negative Voltage Regulator 723 (CB5460E)
The integrated circuit used in this regulator is not very common today. The circuit is from old...
Underwater Metal Detector (CB23677E)
The idea of this interesting detector is to detect the changes in conductivity that occur with the...