Table 1 System hardware specifications
96-channel preamplifier—(built inhouse) | |
 Preamplifier gain | 162x |
 Input-referred noise | 100 µV |
 Input impedance-between reference and each electrode | 1010Ω |
 Frequency bandwidth | 2.14 kHz |
 Bandpass center frequency, Q-factor | 28.88 Hz, 0.013 |
 SNR | 69 |
 Lower cut-off frequency, Q-factor | 0.39 Hz, 1 |
 Upper cut-off frequency, Q-factor | 2.14 kHz, 0.5 |
96-channel real-time data-acquisition, recording and current routing hardware—(National Instruments, TX hardware modules assembled inhouse) | |
 Max sampling rate for each of 96 channels | 6.25 kHz |
 Analog output channel configured for voltage to current converter | 1 channel |
 Time to configure current source to a chosen channel | 1.89 s |
 Time to trigger the switch after current channel configured | 20 ms |
Stimulator—(custom built by rdmApps, CO, USA) | |
 Stimulator | Unipolar, referenced to ground |
 Voltage to current conversion | ±10 V to ± 10 mA |
 Output current range | ±10 mA |
 Output frequency | 0–10 kHz |
 Max impedance | 10 kΩ |