Design of a low-noise low-voltage amplifier for improved neural signal recording

K Sharma, RK Tripathi, HS Jatana… - Review of Scientific …, 2022 - pubs.aip.org
Design of amplifier circuits with low-noise operable at low-power to be used, especially for
implantable neural interfaces, remains a huge challenge. This research paper presents the …

MOS based pseudo-resistors exhibiting Tera Ohms of Incremental Resistance for biomedical applications: Analysis and proof of concept

K Sharma, A Pathania, R Pandey, J Madan, R Sharma - Integration, 2021 - Elsevier
Performance of biomedical analog circuits vitiates due to non-linear VR characteristics of
Pseudo-resistor (PR) structure, their excess dependency over Process Voltage Temperature …

A low-power low-noise amplifier with high CMRR for wearable healthcare applications

K Sharma, S Singh, A Sachdeva - AEU-International Journal of Electronics …, 2024 - Elsevier
Low-noise and low-power operation are important parameters of amplifier intended for
wearable healthcare applications. However, along with these parameters the amplifier must …

A programmable gain and bandwidth amplifier based on tunable UGBW rail-to-rail CMOS op-amps suitable for different bio-medical signal detection systems

IY AbuShawish, SA Mahmoud - Aeu-international journal of Electronics and …, 2021 - Elsevier
This work presents a bio-medical amplifier with programmable Gain and Bandwidth. The
bandwidth of the proposed amplifier is controlled by tuning the unity-gain bandwidth …

A 1.1 μW biopotential amplifier based on bulk-driven quasi-floating gate technique with extremely low-value of offset voltage

P Sharma, K Sharma, HS Jatana, J Madan… - … Integrated Circuits and …, 2020 - Springer
Biopotential amplifier (BPA) remains one of the most crucial blocks for the successful
implementation of any of the biomedical systems. However, design of a BPA remains …

Low-power double linearization resistor and diode-connected MOS biasing based non-tailed class AB OTA

K Sharma, A Sachdeva, M Elangovan - Microsystem Technologies, 2023 - Springer
The CMOS analog circuit blocks targeted for low frequency applications require linear
operational transconductance amplifier (OTA) with stringent power supply conditions for …

Design and Analysis of a Fifth Order Low Pass Gm-C Filter for Seizure Detection

S Devi, S Nath, K Guha, KL Baishnab - Arabian Journal for Science and …, 2024 - Springer
Electroencephalogram (EEG) signals have weak amplitude and have susceptibility to noise
from supplies, electrodes and added sources. The preamplifier in analog front end of a …

CMOS bio-medical amplifier based on tera-ohm pseudo-resistor for bio-detection system

IY AbuShawish, SA Mahmoud - 2021 18th International Multi …, 2021 - ieeexplore.ieee.org
This work presents the design of a CMOS bio-medical amplifier using T\Omega pseudo-
resistor based on MOS transistors operating in the weak inversion region. The pseudo …

Constant tera-ohm pseudo-resistor over wide dynamic range

IY AbuShawish, SA Mahmoud - 2021 IEEE International IOT …, 2021 - ieeexplore.ieee.org
This work presents the design of a constant, programmable and extremely high (Tera ohm)
MOS pseudo-resistor over a wide dynamic range of±0.6 V based on MOS transistors …

High PSRR Folded Cascode OTA for Neural Signal Applications

M López-Solis, RM Woo-García… - 2021 IEEE 3rd …, 2021 - ieeexplore.ieee.org
Bioelectrical signal acquisition systems are used to record, amplify, store and process data,
the amplification stage being one of the most important. In this paper presents an …