Picoammeter (CB6192E)

This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not common today. The power supply must be symmetrical.

| Clique na imagem para ampliar |

High Voltage Doubler (CB20186E)
This circuit can provide a voltage of up to 900 V depending on the input voltage. The diodes must...
Siren 555 (CB10651E)
This circuit was obtained in a 1999 English magazine. We can easily assemble it with a BD136 or...
High Output Voltage Amplifier (CB6179E)
This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply...