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Forum Post: RE: Using LM98725

Hello Hooman, I have tried to calibrate but results are still not so good. I'm confused to understand the settings for Black Target and White Target because I want to set black target value around 3200 and white target value around 63000 but in the register settings we only have 8 bits. How I can configure these 8 bits to set my desired value. Please explain. Second thing I wanna know is to recall the calibration process we have to apply High logic on cal pin, so do I need to hold this high logic during the complete cal. process end or just at beginning like a short pulse to start calibration. For white calibration loop my sensor was half covered with the scintillator that produces the blue light during calibration. Should I cover the whole sensor with the light or its okay?

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