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 |

600 ohms line Amplifier (CB16795E)
This circuit uses a 741 operational amplifier that must be powered by a symmetrical source of 6 to...
Oscillator 4011 (CB14983E)
This adjustable oscillator has the traditional configuration already presented in other articles. The...
Simple Power Supplies (CB20187E)
In the figure below we have the main configurations of power supplies with the most used...