LCD power supply (CB8713E)

This circuit was obtained in a 90s EDN. The components used are from that time. The voltage obtained is negative for supplying LCDs.

| Clique na imagem para ampliar |

Hybrid MW radio (CB20516E)
With the name of transitube we find this MW receiver in documentation from the 50's. It uses a...
Positive and Negative Voltage Source (CB19212E)
This circuit can provide both positive and negative voltage outputs from 2 to 12 V with current up to...
Isolation Circuit for RS-232 (CB12773E)
In critical applications of the RS-232 interface, the danger of induced voltages in the cables must...