Institute Newton C. Braga

Circuit Bench

Photodiode Amplifier (CB11549E)
This circuit is suggested by the Texas Instruments Linear Circuits Applications, based on the FET...
Zener replacing capacitor (CB6744E)
In the figure we have the way to use a zener instead of a filter capacitor. The zener can have the...
Control for miniature railways (CB7079E)
Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be...