This circuit provides a 5 V negative output with a maximum current of 1 A. The circuit is from the 1993 Linear Technology Applications and uses common components at the time.
The circuit presented is an interface or shield for capacitance measurement as a PC. We found it...
The drive levels of this shield are opposite to the previous one. The photo-transistor can be of...
Currents up to 1.5 A can be regulated with this circuit. The resistor R that determines the...