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. Author manuscript; available in PMC: 2020 Jan 16.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2018 Jul 16:10.1109/TBCAS.2018.2852267. doi: 10.1109/TBCAS.2018.2852267

Fig. 9.

Fig. 9.

DC output current measurements of the fabricated LED driver chip showing (a) differential and integral non-linearity plots, and (b) mean current measurements across 19 dies. Error bars represent one standard deviation from the mean.