Ultralow-Noise Chopper Amplifier for Seafloor E-Field Measurement [PDF]
SensorsThe seafloor E-field signal is extremely weak and difficult to measured, even with a high signal-to-noise ratio. The preamplifier for electrodes is a key technology for ocean-bottom electromagnetic receivers.
Sixuan Song, Kai Chen
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Design of a 0.5 V Chopper-Stabilized Differential Difference Amplifier for Analog Signal Processing Applications [PDF]
Sensors, 2023 This paper presents a low-voltage low-power chopper-stabilized differential difference amplifier (DDA) realized using 40 nm CMOS technology. Operating with a supply voltage of 0.5 V, a three-stage DDA has been employed to achieve an open-loop gain of 89 ...
Xinlan Fan, Pak Kwong Chan
exaly +4 more sources
Novel Tunable Pseudoresistor-Based Chopper-Stabilized Capacitively Coupled Amplifier and Its Machine Learning-Based Application [PDF]
MicromachinesThis work presents a high-common-mode-rejection-ratio (CMRR) and high-gain FinFET-based bio-potential amplifier with a novel CMRR reduction technique. In this paper, a feedback buffer is used alongside a capacitively coupled chopper-stabilized circuit to
Mohammad Aleem Farshori +8 more
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A chopper amplifier with adaptive biasing OTA for biomedical applications, featuring high gain and CMRR. [PDF]
PLoS ONEThis paper presents a design of fully differential chopper amplifier employing the flipped voltage follower (FVF) adaptive biasing technique, focusing on its potential use in biopotential recording applications.
Bhaskara Rao Kasipogula +1 more
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Applied Sciences (Switzerland), 2020 This paper proposes a low noise readout integrated circuit (IC) with a chopper-stabilized multipath operational amplifier suitable for a Wheatstone bridge sensor.
Hyungseup Kim, Junghoon Lee, Hyuongho Ko
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A Compact Low-Power Chopper Low Noise Amplifier for High Density Neural Front-Ends [PDF]
SensorsThis paper presents a low-power and area-efficient chopper-stabilized low noise amplifier (CS-LNA) for in-pixel neural recording systems. The proposed CS-LNA can be used in a multi-channel architecture, in which the chopper mixers of the LNA are ...
Alessandro Fava +3 more
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A Chopper Stabilized Current-Feedback Instrumentation Amplifier for EEG Acquisition Applications
IEEE Access, 2019 A low-noise, low-power, chopper-stabilized, current-feedback instrumentation amplifier (CFIA) for bio-potential signal acquisition applications is presented. The proposed design includes an ac-coupled chopper-stabilized CFIA to reduce 1/f noise.
Chung-Jae Lee, Jong-In Song
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Applied Sciences (Switzerland), 2022 This paper presents a low-noise potentiostat readout circuit with a chopper fully differential difference amplifier (FDDA) for glucose monitoring. Glucose monitoring is necessary for the early diagnosis of diabetes complications and for health management.
무경 유, Hyuongho Ko
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A Chopper-Stabilized Amplifier With a Tunable Bandwidth for EEG Acquisition Applications
IEEE Access, 2019 A chopper-stabilized amplifier for bio-potential signal acquisition applications is presented. The proposed design includes an AC-coupled chopper-stabilized amplifier to reduce the 1/f noise and a tunable MOS-capacitor and a tunable pseudo-resistor to ...
Chung-Jae Lee, Jong-In Song
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Chopper-Stabilized Instrumentation Amplifier with Automatic Frequency Tuning Loop [PDF]
Micromachines, 2018 A variable-gain chopper-stabilized instrumentation amplifier (chopper IA), which employs a low pass filter (LPF) to attenuate the up-converted noise at the chopping frequency, is presented. The circuit is designed and fabricated with Taiwan Semiconductor
Chen-Mao Wu +3 more
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