Tuesday 19 December 2017

Large photodiode capacitance


I'm working with an avalanche photodiode with a 320 pF capacitance. What exactly are the downsides of suc a photodiode with large capacitance values? I assume they would be slower due to the narrower bandwidth, but in an application where speed is not so relevant (up to my knowledge, anything apart from optical communication), are there any other performance issues related with a large capacitance?




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