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Amplitude spectrum (recorded from the Chebyshev notch channel) of the (1) signals entering the negative (green) and positive (red) inputs of the front-end INA during stimulation, (2) the AFE output voltage during stimulation (black), and (3) the AFE output voltage without the presence of stimulation (pink). (a) Unipolar stimulation setting, and (b) bipolar stimulation setting.
