Low noise amplifier (CB8488E)

This low-noise circuit was obtained in a 1969 British documentation. The circuit uses components from that time.

| Clique na imagem para ampliar |

Free Power Radio (CB11828E)
This radio's transistor is powered with the signal's own energy, producing its amplification....
3-level triac shield (CB7856E)
Found in a 90s Electronic Design, this circuit can be used as a shield in current projects. The...
Negative Voltage Regulator 723 (CB5460E)
The integrated circuit used in this regulator is not very common today. The circuit is from old...