![]() The design comprises a frequency compensation structure by connecting a capacitor across a high voltage stage and the load capacitor is connected across output by following the relation of C C > 0.22 C L. Operational Transconductance Amplifier operates at ± 0.2 V supply voltage, the bias current of 20♚, and achieves a high gain of 74dB. To solve mentioned issues, a Fully Differential Two-Stage OTA is introduced in this paper to achieve high DC gain and high Unity-gain frequency. Thus for acquiring noise-free signals, the enhanced Biopotential Acquisition unit having a high gain with an improved common-mode rejection ratio readout front-end is designed. ![]() While acquiring biopotential signals from a human body, intrusions occur in the acquisition system. As biopotential signals are having very small frequency variations tens of Hz and micro to millivolts amplitude in the range.
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