Institute Newton C. Braga

Circuit Bench

Operational LC Oscillator (CB14838E)
The maximum frequency of this circuit depends on the operational, reaching a few hundred...
12 V x 1 A Power Supply (CB24821E)
This is one of the many versions we have of a 12 V power supply with the 7812. We found it in the...
Transistor photo flash (CB23667E)
This circuit was found in Radio Electronics magazine from April 1960. It was in an article that...