Bipolar Current Level Detector (CB6629E)

The circuit shown was found in an American documentation from 1964. The circuit uses transistors of the time and the indicators are small lamps.

| Clique na imagem para ampliar |

12V x 220V Inverter with 555 II (CB1297E)
The critical component of this circuit is the transformar. We found it in an 1980s documentation....
Adapter for testing transistors (CB3905E)
The purpose of this circuit is to enable testing of transistors using a common multimeter. With the...
Programmable Regulator TL431 (CB4640E)
The TL431 integrated circuit consists of a programmable shunt regulator with an internal...