Institute Newton C. Braga

Circuit Bench

Sound Dynamometer (CB16249E)
According to its author, this device indicates the amount of force applied to the sensors. The...
Lie Detector (CB13265E)
The transistor of this circuit found in an old American documentation can be the BC548 for T1 and...
Diode without threshold (CB19493E)
We found this circuit in a circuit manual from the 1980s. The circuit eliminates the conductive...