Abstract
The overall objective of this paper is to design a module for Electroencephalogram (EEG) amplification for the neonates. EEG refers to the recording of the electrical activity of the brain. EEG can be recorded from the human brain by the placement of the electrodes on the surface of the scalp but the signals produced by the brain are in the order of micro volts. Moreover, noise and artifacts in the circuit induced by motion, cables etc. does not allow for accurate analysis of the EEG signals. This calls for proper amplification and filtering of the signals. The circuit is built with an instrumentation amplifier, low pass filters, high pass filters and operational amplifiers. The amplified and filtered EEG waveform is of great significance as it allows doctors to study and analyze brain activity of the neonates and help diagnose brain disorders at an early stage itself. The circuit for EEG amplification and signal processing was successfully simulated on Multisim and verified with the necessary hardware components.
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