Sequential Timer with LM3914 (CB24659E)

We found this circuit in the October 1980 issue of Radio Electronics magazine. The circuit uses general-purpose transistors driving a relay.

| Clique na imagem para ampliar |

Developing a Proximity Detector with the VCNL4200 from Vishay (ART340bE)
Vishay's VCNL4200 integrated circuit consists of a fully integrated proximity detector containing...
Overload sampler (CB8354E)
This circuit samples the current in a load and in case of excessive value it activates a...
Oscillator up to 50 MHz (CB23739E)
The frequency of this oscillator depends on the crystal used and the transistors. The circuit was...