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Oct 24, 2023 at 19:43 comment added mapplejacks Thanks Dave, that makes a lot of sense. If transistors are small compared to the size of your pixels, why not just build a front-end onto each one? You're very right that for a project like this, I'd want to keep my M*N costs small and splurge on my M+N costs. Maybe I can see how it behaves to feed a photodiode directly into a capacitor and then mux the ends of each cap to the ADC. It would increase my mux count from 2-3 to 40+, but would only add one component to each pixel.
Oct 24, 2023 at 19:24 history answered Dave Tweed CC BY-SA 4.0