Institute Newton C. Braga

Circuit Bench

JFET Tone Control (CB20011E)
The use of field effect transistors in this circuit improves its performance. This configuration is from a...
Opposite Polarity Signals Comparator (CB14416E)
In the figure we have the way to implement a comparator for voltages of opposite polarities. The...
Magnetic Field Tracer (CB22346E)
This circuit uses a Hall device from that time as a sensor. The circuit is from an English...