Metering circuit using PbS PbSe


Posted on Feb 4, 2014

This circuit canbeused for detecting infrared light, for example, it is used for detecting infrared band light signal in spectrophotometer. Amplifier output voltage Vo=Is·Rd·Rf/Ri wherein : Is-signal current; Rd-optical detector essential resistance Dector can bemade by lead sulphide (PbS) or lead selenide (PbSe), and at room temperature, PbS response..


Metering circuit using PbS PbSe
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