Institute Newton C. Braga

Circuit Bench

Complementary Amplifier (MSB042E)
This two-transistor output stage source currents up to 100 mA to a load using the 2N3906, but can...
Crystal variable oscillator (CB9506E)
Found in Radio Electronics from the 90s, this circuit can vary the frequency in small values...
Divider by 5 4 or 3 (CB6899E)
We found this circuit in documentation from Ferranti from 1968. The circuit uses transistors from that...