Visible Light Photo-Detector Circuits
2016-3-30 · input light intensity, ambient temperature, response speed, etc., to meet the following conditions: R1 < VBE/ICEO,R1 > VBE/IC Where ICBO is the dark current of phototransistor and IC is the collector current. Figure 9. Fundamental Phototransistor Circuit (I) VCC IC RL VOUT (A) VCC RL VOUT (B) OP1-24 Figure 10. Fundamental Phototransistor ...
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