An Analog Front-End for Non-Invasive Cutaneous Neural Signal Acquisition and Latency Quantification

This paper demonstrates an integrated analog front-end (AFE) for measuring cutaneous neural signals, i.e, electroneurogram (ENG). The AFE outputs a latency value that indicates the time which an ENG signal travels from the first to the second electrode. This latency value is used as a parameter by p...

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Main Authors: Chakravarti, Aatreya, Zhang, Yuchang, Tasellari, Michael, Ghovanloo, Maysam, Guler, Ulkuhan
Format: Conference Proceeding
Language:English
Subjects:
Cutoff frequency
Electrodes
Electromyography
Gain
Phase distortion
Thermal noise
Topology
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creator Chakravarti, Aatreya
Zhang, Yuchang
Tasellari, Michael
Ghovanloo, Maysam
Guler, Ulkuhan
description This paper demonstrates an integrated analog front-end (AFE) for measuring cutaneous neural signals, i.e, electroneurogram (ENG). The AFE outputs a latency value that indicates the time which an ENG signal travels from the first to the second electrode. This latency value is used as a parameter by physicians to diagnose disorders affecting the peripheral nervous system such as muscular dystrophy. The AFE is designed and laid out in TSMC 0.18 µm 6M1P 5 V CMOS process. Post-layout simulations show a x40k increase in ENG amplitude from the input with the EMG amplitude showing only a x4 increase, which alters the ENG to EMG ratio from 0.001 V/V to 10 V/V This is achieved with sub-mW low power consumption at a supply voltage of 1.8V.
doi_str_mv 10.1109/MWSCAS48704.2020.9184676
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subjects Cutoff frequency
Electrodes
Electromyography
Gain
Phase distortion
Thermal noise
Topology
title An Analog Front-End for Non-Invasive Cutaneous Neural Signal Acquisition and Latency Quantification
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