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PHOTOFEEDBACK_STABILIZATION_OF_PHOTOTRANSISTOR

2016-05-06 16:03  
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PHOTOFEEDBACK_STABILIZATION_OF_PHOTOTRANSISTOR
Subminiature lamp mounted on window of phototransistor stabilizes electro-optical response of high-temperatures. Base bias for phototransistor is supplied by d-c component of light from feedback lamp. -S. A. Elder, Designing Phototransistor Pyrometers With and Without Feedback, Electronics, 34:49, p 56-60.