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

Table 3

Summary of board performances versus predicted values.

Parameter	Measured value	Predicted value
Gain at 1 kHz	1052	1053
f −3 dB (low)	315 Hz	300 Hz
f −3 dB (high)	3110 Hz	3030 Hz
Group delay (maximum)	700 μs	700 μs
Noise (input referred, spike bandwidth)	800 nV RMS	650 nV RMS
Power consumption (pre-amp)	552 mW	600 mW
Power consumption (filter amp)	826 mW	756 mW