The radiation thermometer circuit composed of NJL9102F/9103 sensors

Published:2011/7/20 0:38:00 Author:Borg | Keyword: radiation thermometer | From:SeekIC

This is the radiation thermometer circuit composed of NJL9102F/9103 sensors. NJL9102F/9103 is a sensor which combines the thermopile and the temperature compensation diode, compared to the traditional thermopile, the circuit is simple and the temperature compensation effect is better. In figure (a) is a simple radiation thermometer circuit. In the circuit, the internal resistance of the sensor is high, which is about 500kΩ. A1 is a computing amplifier with high impedance and any kind of FET input type is OK.



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