Biomedical Engineering / Electroencephalography / Low Frequency / High Frequency / digital PID controller / Drug Resistance / Low Power / Real Time / Mathematical Model / Low Noise / Integrated Circuit / Front end / Electrical And Electronic Engineering / Ultra Low Power / Threshold Voltage / Detection Algorithm / Drug Resistance / Low Power / Real Time / Mathematical Model / Low Noise / Integrated Circuit / Front end / Electrical And Electronic Engineering / Ultra Low Power / Threshold Voltage / Detection Algorithm