Results 1 to 10 of about 554 (99)

Fully Integrated Biopotential Acquisition Analog Front-End IC [PDF]

open access: yesSensors, 2015
A biopotential acquisition analog front-end (AFE) integrated circuit (IC) is presented. The biopotential AFE includes a capacitively coupled chopper instrumentation amplifier (CCIA) to achieve low input referred noise (IRN) and to block unwanted DC ...
Haryong Song   +3 more
doaj   +4 more sources

3.6 mW Active-Electrode ECG/ETI Sensor System Using Wideband Low-Noise Instrumentation Amplifier and High Impedance Balanced Current Driver [PDF]

open access: yesSensors, 2023
An active electrode (AE) and back-end (BE) integrated system for enhanced electrocardiogram (ECG)/electrode-tissue impedance (ETI) measurement is proposed. The AE consists of a balanced current driver and a preamplifier. To increase the output impedance,
Xuan Tien Nguyen   +2 more
doaj   +2 more sources

A 24.88 nV/√Hz Wheatstone Bridge Readout Integrated Circuit with Chopper-Stabilized Multipath Operational Amplifier

open access: yesApplied 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   +3 more sources

Low-Noise Chopper-Stabilized Zero-Drift Amplifier With SAR-Assisted Automatic Offset Calibration Loop

open access: yesIEEE Access, 2023
This paper presents a low-noise chopper-stabilized zero-drift amplifier with successive approximation register (SAR)-assisted automatic offset calibration loop (AOCL).
Gibae Nam   +9 more
doaj   +1 more source

Low-Noise Resistive Bridge Sensor Analog Front-End Using Chopper-Stabilized Multipath Current Feedback Instrumentation Amplifier and Automatic Offset Cancellation Loop

open access: yesIEEE Access, 2022
Resistive bridge sensors are used in many application areas to measure changes in physical parameters. To amplify the resistive changes from sensing elements with high precision, various offset contributors in the resistive bridge and amplifiers should ...
Mookyoung Yoo   +5 more
doaj   +1 more source

Low-Noise Chopper-Stabilized Multi-Path Operational Amplifier with Nested Miller Compensation for High-Precision Sensors

open access: yesApplied Sciences, 2019
This paper presents a low-noise multi-path operational amplifier for high-precision sensors. A chopper stabilization technique is applied to the amplifier to remove offset and flicker noise.
Jaesung Kim   +7 more
doaj   +1 more source

Ultra-low power mixed-signal frontend for wearable EEGs [PDF]

open access: yes, 2021
Electronics circuits are ubiquitous in daily life, aided by advancements in the chip design industry, leading to miniaturised solutions for typical day to day problems.
Abbasi, Mohammad Usaid
core   +1 more source

A Ripple Reduction Technique for Single Stage Switched Capacitor Converter in Ultra Low-Power Applications

open access: yesIEEE Access
One of the primary concerns in the design and practical use of fully integrated switched capacitor (SC) DC-DC converters is their load-dependent output voltage ripple.
Rakshit Dambe Nayak   +4 more
doaj   +1 more source

Sliding mode based adaptive linear neuron proportional resonant control of Vienna rectifier for performance improvement of electric vehicle charging system [PDF]

open access: yes, 2022
© 2022 Elsevier B.V.With a strong expansion of transportation electrification, electric vehicle charging systems are becoming very important part of the electrified powertrain.
Ahmed, Hafiz, Çelik, Doğan
core   +1 more source

A Low Noise Multipath Chopper-Stabilized Operational Amplifier Using Dynamic Element Matching Gain-Boosting and Low Input Current Adaptive Clock-Boosting Chopper Switch

open access: yesIEEE Access
This paper presents a low noise multipath operational amplifier with chopper-stabilized and gain-boosted low-frequency path (LFP) amplifier. The LFP amplifier adopts the gain-boosting using dynamic element matching (DEM) and buffered adaptive clock ...
Mookyoung Yoo   +8 more
doaj   +1 more source

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