Institute Newton C. Braga

Circuit Bench

Random neon (CB7082E)
This circuit causes the neon lamps in a set to flash randomly. Capacitors determine the speed of...
Transistor Operational Amplifier (CB16937E)
In the figure we have the way to implement an operational amplifier using common transistors such...
Reversing Motor Rotation (CB15450E)
In the figure we show how a 2-pole x 2-position switch or HH should be connected to reverse the...