Pulsed Light Alarm (CB6439E)

This circuit provides a high intensity pulsating signal to a speaker. The circuit is from an American 90's documentation. The power supply is 12 V.

| Clique na imagem para ampliar |

Astable with Transistors (CB12633E)
This circuit generates a rectangular signal whose frequency depends on the electrolytic...
Timer Using Unijunction Transistor (CB933E)
This circuit was found in an old publicatio n from the year 1958. The circuit controls an external load by...
Picoampère converter (CB5108E)
This circuit that converts very low currents into voltage was obtained in the 80's used component...