Are bigger pixels less noisy?

Started 4 months ago | Discussions thread
Iliah Borg Forum Pro • Posts: 28,639
Re: Are bigger pixels less noisy?
3

JahnG wrote:

how about the combined read noise of 50M pixels compared to the combined read noise of 20M pixels.

The combined read noise can be marginally, and I mean marginally, higher than the noise of a single pixel. Decreasing the maximum charge opens a possibility to improve performance in terms of noise.

Mr. Claff kindly keeps the original Aptina white paper on dual gain, it might help explaining the relationships: https://www.photonstophotos.net/Aptina/DR-Pix_WhitePaper.pdf

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