Institute Newton C. Braga

Circuit Bench

3 Phase Generator with the 4018 (CB4628E)
120 degree lagged signals can be obtained with the simple configuration shown in the figure....
Door Bell Delay (CB5149E)
This circuit was obtained from an American publication from the 80's. We can use a BD136 instead...
300 mW to 1 W Amplifiier (CB399)
This circuit can be powered from 4 to 12 V sources. Pin 6 is the positive supply. See more about...