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 |

Remote Load Monitor (CB4642E)
The purpose of this project is to monitor remote loads. The windings are made in a burnt...
Electronic Bargraph Scale (CB16655E)
The scale of this scale uses LEDs, and its accuracy depends on the number of LEDs. We found this...
JFET dip meter (CB5176E)
We find this circuit in an American documentation from the 80's. The circuit has the coil given by the...