Design of Low Power Neuro-amplifier Circuit with Miller Compensation Technique for Biomedical Neuro-implantable Devices | Zendy

Kriti Dwivedi | Zendy; Aparna Gupta | Zendy; Ritika Oberoi | Zendy; Ribu Mathew | Zendy

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Design of Low Power Neuro-amplifier Circuit with Miller Compensation Technique for Biomedical Neuro-implantable Devices

Author(s) -

Kriti Dwivedi,

Aparna Gupta,

Ritika Oberoi,

Ribu Mathew

Publication year - 2021

Publication title -

aijr proceedings

Language(s) - English

Resource type - Conference proceedings

ISSN - 2582-3922

DOI - 10.21467/proceedings.114.14

Subject(s) - operational transconductance amplifier , operational amplifier , current feedback operational amplifier , amplifier , frequency compensation , computer science , electronic engineering , direct coupled amplifier , instrumentation amplifier , electrical engineering , bandwidth (computing) , engineering , telecommunications

Neuro-amplifiers form an integral part of biomedical implantable devices. In this paper, we design a neuro-amplifier circuit with Miller compensation capacitor. The neuro-amplifier design is based on operational transconductance amplifier (OTA) with an active load. In this work, performance of the neuro-amplifier is enhanced by incorporating the Miller compensation technique. Design and simulation of the neuro-amplifier circuit is performed using SPICE simulation software. Body biasing and feedback techniques are imparted to optimize the circuit performance. Simulation results show that the neuro-amplifier circuit has a mid-frequency gain and 3-dB bandwidth of 48dB, and 16kHzrespectively.

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