Results 11 to 20 of about 16,903 (301)
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
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IEEE 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
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Designing a Low-Power LNA and Filter for Portable EEG Acquisition Applications
IEEE Access, 2021 A circuit with a low-power low-noise amplifier and a Gm-C ultra-low-power filter is proposed in this paper for portable electroencephalogram (EEG) acquisition applications.
Marzieh Moradi +2 more
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Applied Sciences, 2020 This paper presents a low-noise reconfigurable sensor readout circuit with a multimodal sensing chain for voltage/current/resistive/capacitive microsensors such that it can interface with a voltage, current, resistive, or capacitive microsensor, and can ...
Donggeun You +10 more
doaj +1 more source
Walailak Journal of Science and Technology, 2021 Biopotential signals are created as a result of the electrochemical activity of the many cells that comprise the nervous system, and they represent both normal and pathological organ function.
Ankit ADESARA, Amisha NAIK
doaj +1 more source
A superconducting modulator for extremely sensitive voltage measurements across multifilamentary superconducting wires [PDF]
, 1987 In this paper we describe a superconducting chopper amplifier used as an instrument to measure the V(I) curve of multifilamentary superconductors.
Kate, H.H.J. ten +2 more
core +3 more sources
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 +1 more source
IEEE Journal of Solid-State Circuits, 1986 This paper presents a CMOS chopper amplifier realized with a 2nd order low-pass selective amplifier, using continuous-time filtering technique. The circuit has been integrated in a 3 ?m p-well low-voltage CMOS technology. The chopper DC gain is 32 dB with 200 Hz bandwidth.
Christian Enz +2 more
openaire +1 more source
An implantable epileptic signal detector with wireless charging and wireless communication
Dianzi Jishu Yingyong, 2018 An epileptic signal detector with wireless charging and wireless communication is proposed in this work, which can be used to build a closed-loop neurostimulator.
Qian Nixin +6 more
doaj +1 more source
IEEE 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