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ADA4800 - CCD Gain Set

Hi Team,

We are using an ADA4800 for our CCD sensor. We have a doubt about how to set a RIDRV and RISF resistor for our CCD sensor. 

We have tried to change RISF - Using 500k pot we did not absorb any changes in the image. But when we change the RIDRV pot we can see changes in the image.

1. When we fix the resistor to 0E to 10K ohm in RIDRV. We can see the better image without noise - (At the same time we are getting a hot pixel issue. Also it starts to increase rapidly). 

2. When we fix the resistor more than 30k in RIDRV the hot pixel issue is solved but at the same time, the noise in the image got increased. 

Still, we are confused about how to fix the RIDRV and RISF resistor. 

Will you please check on this?  

Regards

Praveen

Edit Notes

Grammer mistake
[edited by: Praveen99 at 7:34 AM (GMT -5) on 8 Feb 2022]

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