This sensor circuit for currents of the order of nanoamperes was found in an American documentation from the 1980s. The components are from that time.
This transmitter outputs signals to the analog TV range operating with composite video signals for analog...
This circuit, with output currents up to 500 mA, can stabilize or regulate the output voltage of a...
The critical point in this project is the adjustment of the optical system, mainly to avoid...