EEG Hardware & Analog Front-End (AFE) DAQ Simulator

STATUS: NOMINAL

TP1: SCALP Ag/AgCl + DC

TP2: INA333 Instrumentation

TP3: HPF DC Block 0.1Hz

TP4: SALLEN Active Notch/LPF

TP5: ADC Sample & Quantize

1. Scalp & Electrode Physics

Brainwave State Eyes Closed (Alpha 10Hz)

Trigger Biological Artifacts

Half-Cell DC Offset ($V_{os}$) +150 mV

Contact Impedance ($Z_{in}$) 5 kΩ

2. INA333 Instrumentation Amp

Gain Resistor ($R_G$) R_G: 1.01 kΩ (G=100x)

Common-Mode Rejection (CMRR) 100 dB

Driven Right Leg (DRL) OFF

60Hz Powerline Radiation HIGH (20 mV)

3. Filter Topology & ADC DAQ

AC Coupling (DC Block Capacitor) BYPASSED

Active Sallen-Key 60Hz Notch BYPASSED

ADC Sampling Rate ($f_s$) 250 Hz

ADC Resolution 16-Bit