Institute Newton C. Braga

Circuit Bench

Complementary Oscillator (CB4372E)
This circuit was found in an English magazine from 1973. The magazine no longer exists, but the...
5 V x 3 A Regulator (CB19128E)
The power transistor of this circuit can also be the TIP42 mounted on a good heat sink. The...
Transistor High Frequency VCO (CB15468E)
In the figure we show a Varicap-controlled VCO capable of generating signals in the range of a few...