A 1.2-µW 41-dB Ripple Attenuation Chopper Amplifier Using Auto-Zero Offset Cancelation Loop for Area-Efficient Biopotential Sensing
In this paper, a low-power and low-noise capacitive-coupled chopper instrumentation
amplifier (CCIA) is proposed for biopotential sensing applications. A chopping technique is …
amplifier (CCIA) is proposed for biopotential sensing applications. A chopping technique is …
Noise Analysis and Design Methodology of Chopper Amplifiers With Analog DC-Servo Loop for Biopotential Acquisition Applications
YK Huang, S Rodriguez - … on Very Large Scale Integration (VLSI …, 2023 - ieeexplore.ieee.org
Biopotential acquisition chopper instrumentation amplifiers require a dc-servo loop (DSL) in
order to filter electrode dc offsets. However, the noise performance degradation due to the …
order to filter electrode dc offsets. However, the noise performance degradation due to the …
A capacitively-coupled chopper instrumentation amplifier with compensated auto-zeroed DC servo-loop for neural signal recording
Z Zhou, L Zhu, W Wang, J Li, Q Meng… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This brief presents a capacitively-coupled chopper instrumentation amplifier (CCIA) with a
compensated auto-zeroed (CAZ) dc servo-loop (DSL) for neural signal recording. The …
compensated auto-zeroed (CAZ) dc servo-loop (DSL) for neural signal recording. The …
Design and Implementation of a Low-Power Low-Noise Biopotential Amplifier in 28 nm CMOS Technology with a Compact Die-Area of 2500 m
This paper presents a compact low-power, low-noise bioamplifier for multi-channel
electrode arrays, aimed at recording action potentials. The design we put forth attains a …
electrode arrays, aimed at recording action potentials. The design we put forth attains a …
A 64.3 dB THD, 26 nV/Hz Bio-Potential Readout Analog-Front-End Amplifier With a Gm-C Integrator-Implanted DC Servo Loop, and a Bulk-Driven Ripple …
K Wen, S Liu, L Zhong, Y Shen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper presents aC integrator-implanted DC servo loop (GMCI2-DSL) and a bulk-driven
ripple reduction loop (BD-RRL) for bio-potential readout analog-front-end (AFE) amplifier …
ripple reduction loop (BD-RRL) for bio-potential readout analog-front-end (AFE) amplifier …
A 1.9 µW 127 n V/√ Hz Bio Chopper Amplifier Using a Noise-Efficient Common Mode Cancelation Loop
Electrical neural stimulation (ENS) is widely used for implantable applications to convey
information to nervous tissue. However, ENS will generate large common (CM) artifacts at …
information to nervous tissue. However, ENS will generate large common (CM) artifacts at …
Ultra-Low Power Programmable Bandwidth Capacitively-Coupled Chopper Instrumentation Amplifier Using 0.2 V Supply for Biomedical Applications
This paper presents a capacitively coupled chopper instrumentation amplifier (CCIA) with
ultra-low power consumption and programmable bandwidth for biomedical applications. To …
ultra-low power consumption and programmable bandwidth for biomedical applications. To …
Chopping for over 50 MHz gain‐bandwidth product current sense amplifiers achieving input noise level of 8.5 nV/√ Hz
CD Matthus, F Ellinger - International Journal of Circuit Theory …, 2022 - Wiley Online Library
An accurate, high‐speed, fully differential difference amplifier for current sensing utilizing the
chopper approach was implemented in a 0.18 μm complementary metal‐oxide …
chopper approach was implemented in a 0.18 μm complementary metal‐oxide …
A low noise CLASS AB operational amplifier with high voltage output capability by 180 nm BCD process
P Li, L Luo, Q Wei - Journal of Physics: Conference Series, 2024 - iopscience.iop.org
In this work, a low noise CLASS AB operational amplifier, which can output high voltage, has
been fabricated by a 180 nm BCD process. For the objective of achieving low noise, the …
been fabricated by a 180 nm BCD process. For the objective of achieving low noise, the …
A Low Noise 10-Bit 59.41 dB SNR SAR ADC Using Chopper Comparator for Biomedical Applications
This paper presents a low noise 10-bit 59.51 dB SNR successive-approximation-register
(SAR) analog-digital-inverter (ADC) using the chopper comparator for biomedical …
(SAR) analog-digital-inverter (ADC) using the chopper comparator for biomedical …