Sensors & Data Acquisition — question 2 of 10
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This is a basic front-end design question for turning a current-output sensor into something an ADC can read.
You have a photodiode that outputs a few microamps of current proportional to incident light, and you need to feed that signal into an ADC input that expects a voltage between 0 and 3.3V. What circuit would you put between the photodiode and the ADC, and what determines how you'd size the key component in it?