A Potentiostat Readout Circuit with a Low-Noise and Mismatch-Tolerant Current Mirror Using Chopper Stabilization and Dynamic Element Matching for Electrochemical Sensors [PDF]
Applied Sciences, 2021 This paper presents a potentiostat readout circuit with low-noise and mismatch-tolerant current mirror using chopper stabilization and dynamic element matching (DEM) for electrochemical sensors.
Kyeongsik Nam +4 more
doaj +4 more sources
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
doaj +4 more sources
Reconfigurable Sensor Analog Front-End Using Low-Noise Chopper-Stabilized Delta-Sigma Capacitance-to-Digital Converter [PDF]
Micromachines, 2018 This paper proposes a reconfigurable sensor analog front-end using low-noise chopper-stabilized delta-sigma capacitance-to-digital converter (CDC) for capacitive microsensors.
Hyungseup Kim +8 more
doaj +4 more sources
chopper stabilization in Analog Multipliers [PDF]
, 2006 The multiplier is a fundamental analog building block. Analog multipliers are used in many systems such as filters, neural networks, automatic gain control circuits, and phase alignment systems. As with any circuit, analog multipliers are plagued by DC offsets.
Ali Hadiashar
core +5 more sources
A Chopper-Stabilized Amplifier With a Tunable Bandwidth for EEG Acquisition Applications [PDF]
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 control the bandwidth.
Chung-Jae Lee, Jong‐In Song
openalex +3 more sources
Design and Implementation of a Low-Noise Analog Front-End Circuit for MEMS Capacitive Accelerometers [PDF]
MicromachinesThis paper presents a low-noise analog front-end (AFE) integrated circuit (IC) circuit for capacitive micro-electromechanical system (MEMS) accelerometers that can be used for optical image stabilization (OIS) in various optical imaging systems.
Keru Gong +4 more
doaj +2 more sources
A 24.88 nV/√Hz Wheatstone Bridge Readout Integrated Circuit with Chopper-Stabilized Multipath Operational Amplifier [PDF]
Applied Sciences, 2020 This paper proposes a low noise readout integrated circuit (IC) with a chopper-stabilized multipath operational amplifier suitable for a Wheatstone bridge sensor.
Kwonsang Han +7 more
doaj +2 more sources
A Chopper Stabilized Current-Feedback Instrumentation Amplifier for EEG Acquisition Applications [PDF]
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. It also has a switched-capacitor integrator to reduce the input offset and provide a high-pass filter.
Chung-Jae Lee, Jong‐In Song
openalex +3 more sources
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 Manufacturing Company (TSMC) (Hsinchu, Taiwan) 0.18 μm complementary metal-oxide-semiconductor ...
Chen-Mao Wu +3 more
openalex +6 more sources
A Dynamic Instrumentation Amplifier for Low-Power and Low-Noise Biopotential Acquisition [PDF]
Sensors, 2016 A low-power and low-noise dynamic instrumentation amplifier (IA) for biopotential acquisition is presented. A dynamic IA that can reduce power consumption with a timely piecewise power-gating method, and noise level with an alternating input and chopper ...
Jongpal Kim, Hyoungho Ko
doaj +2 more sources