Simple Evaluation of the Nonlinearity Signature of an ADC Using a Spectral Approach
(a) Typical averaged magnitude spectrum obtained from the AD output. It is used for the selection of the spectral lines taken as harmonics. (b) Comparison between two AD INL Histogram estimations: in thin (blue) line the one estimated with very few samples, (the four registers acquired to apply the new method). In thick (black) line the real INL.
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