Digital potentiometer 4046 (CB25242E)

The figure shows how to obtain a digitally programmed resistance using the 4066. The circuit is from a Radio Electronics from November 1989.

| Clique na imagem para ampliar |

JFET amplifier stage (CB7523E)
This circuit was found in a 1982 Maplin documentation. The configuration applies to almost any JFET....
Momentary indicator (CB22125E)
When this circuit is activated the LED flashes for a moment indicating that the function has been...
Electronic Cricket (CB795E)
When the lights turns off this circuit will produce a sound like a cricket. When the lights are...