CURRENT SENSOR

摘要

PROBLEM TO BE SOLVED: To provide a current sensor for achieving accurate current measurement continuously regardless of a change in an ambient temperature.

SOLUTION: Negative feedback control without any temperature dependency can be achieved by forming a current feedback type even if a resistance value rnc of a negative feedback coil 3 changes as the change in the ambient temperature, thus supplying an appropriate constant current corresponding to a current detection signal to the negative feedback coil 3 and hence constantly achieving the current sensor for achieving the accurate current measurement (Eout:current detection value) regardless of the change in the ambient temperature.

COPYRIGHT: (C)2004,JPO