Institute Newton C. Braga

Circuit Bench

10W Wattmeter (CB3941E)
This RF circuit measures transmission power from 0.25 W to 10 W. The maximum frequency depends on...
Two-phase clock 4013 (CB24998E)
The figure shows how to obtain clocks in phase opposition using the 4013 IC. The circuit is from a...
End of Time Warning Timer (CB4673E)
We find this circuit in a 1995 documentation. It warns when the timing is nearing its end, with...