A Low-Noise, Modular, and Versatile Analog Front-End Intended for Processing In Vitro Neuronal Signals Detected by Microelectrode Arrays

Figure 10

(a) Comparison of the gain of the circuit measured at the beginning of the utilization of the MEA interfacing boards (red) and after more than 2 months of operation in the environmental chamber (blue), at high relative humidity level. Values are averaged across 60 channels. (b) Comparison of input-referred noise of the circuit measured at the beginning of the utilization of the interface boards (red) and after more than 2 months of operation in the environmental chamber (blue). Data are shown as mean and standard deviations across 60 channels (, Wilcoxon-matched paired test).

(a)

(b)