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  1. Keith Thompson
    Post

    AC4040 BSI nonlinearity

    Still waiting for my questions to be addressed. I now have two (conflicting) answers from GPIXEL about how linearity is measured, and I want to...
    Post by: Keith Thompson, Apr 8, 2024 in forum: Aluma AC Series CMOS
  2. Keith Thompson
    Post

    AC4040 BSI nonlinearity

    If you are normalizing the error to the max signal, that is not a useful way to measure nonlinearity on a high dynamic range measuring device (and...
    Post by: Keith Thompson, Mar 13, 2024 in forum: Aluma AC Series CMOS
  3. Keith Thompson
    Post

    AC4040 BSI nonlinearity

    So what exact function did the linear regression use? Y = a0 + a1*X, or just the linear (a1) term? Were the signal averages weighted according...
    Post by: Keith Thompson, Feb 29, 2024 in forum: Aluma AC Series CMOS
  4. Keith Thompson
    Post

    AC4040 BSI nonlinearity

    Data in https://drive.google.com/drive/folders/1rMRNrv5QGa7gZs9A2pkjuMDO95eAM27Q?usp=sharing
    Post by: Keith Thompson, Feb 27, 2024 in forum: Aluma AC Series CMOS
  5. Keith Thompson
    Post

    AC4040 BSI nonlinearity

    Thanks. Serial number AC4040BM-22060905 Gains were the default High and Low gain settings, resulting in numeric values 0.388364 and 9.772891...
    Post by: Keith Thompson, Feb 22, 2024 in forum: Aluma AC Series CMOS
  6. Keith Thompson
    Thread

    AC4040 BSI nonlinearity

    We have a new AC4040 BSI VIS-NIR. Testing has shown significant nonlinearity in high gain and low gain modes. Images were taken with T setpoint...
    Thread by: Keith Thompson, Feb 21, 2024, 10 replies, in forum: Aluma AC Series CMOS
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