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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: IEEE J Solid-State Circuits. 2017 Apr 27;52(6):1576–1590. doi: 10.1109/JSSC.2017.2686580

Fig. 12.

Fig. 12

(a) Noise power spectral density of the TIA with Rf = 10 MΩ. (b) Magnitude and phase of the bright Pt and Pt-black electrode impedance in a frequency range between 1 Hz and 1 MHz, averaged over 6 and 8 electrodes for bright Pt and Pt-black, respectively.