A low-power low-noise CMOS bio-potential amplifier for multi-channel neural recording with active DC-rejection and current sharing

MG Jomehei, S Sheikhaei - Microelectronics Journal, 2019 - Elsevier
A low-power and low-noise bioamplifier for multichannel electrode arrays (MEA) is
presented. Reduction in area and power is achieved (1) by means of active-integration …

A four-level switching scheme for SAR ADCs with 87.5% area saving and 97.85% energy-reduction

M Sotoudeh, F Rezaei - Circuits, Systems, and Signal Processing, 2020 - Springer
In this paper, a new highly energy-efficient switching scheme is presented for successive
approximation register analogue-to-digital converters. The proposed method applies a four …

A highly energy-efficient, area-efficient switching scheme for SAR ADC in biomedical applications

Y Chen, Y Zhuang, H Tang - Analog Integrated Circuits and Signal …, 2019 - Springer
Successive approximation register (SAR) analogue-to-digital converter (ADC) is a good
choice for low-power applications owing to its high energy-efficiency. However, in the …

A 99.8% energy-reduced two-stage mixed switching scheme for SAR ADC without reset energy

Y Chen, Y Zhuang, H Tang - Circuits, Systems, and Signal Processing, 2019 - Springer
An ultra-low power consumption two-stage mixed switching scheme for successive
approximation register (SAR) analog-to-digital converter (ADC) is presented. Using two …

A fully-differential chopper capacitively-coupled amplifier with high input impedance for closed-loop neural recording

F Ansari, M Yavari - Circuits, Systems, and Signal Processing, 2022 - Springer
In this paper, a chopper capacitively-coupled instrumentation amplifier (CCIA) with high
input impedance and low input-referred noise is presented for closed-loop neural recording …

A Highly Area-Efficient Switching Scheme based on Charge Sharing and Capacitor Holding for SAR ADCs

Y Guo, L Qiu, B Yao - Circuits, Systems, and Signal Processing, 2022 - Springer
A novel area-efficient capacitor switching scheme for successive approximation register
(SAR) analogue-to-digital converters (ADCs) is proposed. By using the charge-sharing and …

An automatic action potential detector for neural recording implants

S Barati, M Yavari - Circuits, Systems, and Signal Processing, 2019 - Springer
In this paper, a low-power CMOS analog automatic action potential (AP) detector is
proposed for wireless neural recording implants. The proposed AP detector is based on …

A 32-ch. bidirectional neural/emg interface with on-chip spike detection for sensorimotor feedback

I Williams, A Rapeaux, Y Liu, S Luan… - … Circuits and Systems …, 2016 - ieeexplore.ieee.org
This paper presents a novel 32-channel bidirectional neural interface, capable of high
voltage stimulation and low-power, low-noise neural recording. Current-controlled biphasic …

A low-power, signal-specific SAR ADC for neural sensing applications

S Babayan-Mashhadi… - Journal of Circuits …, 2018 - World Scientific
As power consumption is one of the major issues in biomedical implantable devices, in this
paper, a novel quantization method is proposed for successive approximation register (SAR) …

A 79μW 0.24mm2 8-channel neural signal recording front-end integrated circuit

SU Rehman, AM Kamboh… - … Conference on Applied …, 2017 - ieeexplore.ieee.org
This brief presents a new architecture for an ultra-low power and area-efficient 8-channel
prototype of a neural signal recording front-end circuitry. For implantable neural recording …