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Question's about the average energy in capacitor switching procedure SAR ADC.

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ducvilla

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Hi,

I read the paper:" A 10-bit 50-MS/s SAR ADC with a monotonic capacitor switching procedure" and i do not understand how the authors get the average energy in picture (a):
capacitor switching procedure_SAR ADC.JPG

At the first conversion, why the energy is C*Vref^2 and 5*C*Vref^2, and so on...:?:
:-?
Any ones can point me about that!
Thanks for your help!
 

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