Results 21 to 30 of about 393,474 (272)
Эпилепсия и пароксизмальные состояния, 2023 The current study was aimed at providing a detailed description of the major technical characteristics for electroencephalographic (EEG) equipment and their impact on quality of the recorded signal.
А. А. Ivanov
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Design of current sources for load common mode optimization
Journal of Electrical Bioimpedance, 2018 Bioimpedance measurement systems often use the Howland current sources to excite the biological material under study. Usually, difference or instrumentation amplifiers are used to measure the resulting voltage drop on this material.
Sirtoli Vinicius G +2 more
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IEEE Access, 2022 Two new compact balanced-to-balanced diplexers composed of two multiband balanced bandpass filters in a multilayer configuration are proposed in this letter to perform dual- and tri-band responses.
Jose L. Medran del Rio +4 more
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SN Applied Sciences, 2022 Article highlights Highly accurate amplifier is designed to detect very weak signals of information (such as biomedical signals), and amplify them for further processing.
Soma Ahmadi +5 more
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A High TCMRR, Inherently Charge Balanced Bidirectional Front-End for Multichannel Closed-Loop Neuromodulation [PDF]
, 2019 This paper describes a multichannel bidirectional front-end for implantable closed-loop neuromodulation. Stimulation artefacts are reduced by way of a 4-channel H-bridge current source sharing stimulator front-end that minimizes residual charge drops in ...
Delgado Restituto, Manuel +4 more
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Balanced-to-Balanced Microstrip Diplexer Based on Magnetically Coupled Resonators
IEEE Access, 2018 Two balanced-to-balanced planar diplexers based on magnetically coupled microstrip resonators are proposed in this paper. For the first prototype, each channel/differential-output is composed of a second order single-band balanced bandpass filter based ...
Armando Fernandez-Prieto +5 more
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Manufacturing Tolerance Analysis of Deep-Ridged 90° Hybrid Based on InP 4 × 4 MMI
Photonics, 2020 An optical 90° hybrid based on an InGaAsP/InP deep-ridged 4 × 4 multimode interference (MMI) coupler is proposed and fabricated. Manufacturing tolerances on structural parameters of the 90° hybrid including multimode waveguide width and length, waveguide
Ziqing Lu +4 more
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Common-Mode Driven Synchronous Filtering of the Powerline Interference in ECG
Applied Sciences, 2022 Powerline interference (PLI) is a major disturbing factor in ground-free biopotential acquisition systems. PLI produces both common-mode and differential input voltages.
Tatyana Neycheva +2 more
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Artifact-Aware Analogue/Mixed-Signal Front-Ends for Neural Recording Applications [PDF]
, 2019 This paper presents a brief review of techniques to overcome the problems associated with artifacts in analog frontends for neural recording applications.
Delgado Restituto, Manuel +2 more
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Multifrequency bioimpedance device based on the Analog Discovery 2: performance and characterization
Current Directions in Biomedical Engineering, 2023 Bioimpedance spectroscopy can be used to investigate the composition and monitor the human body, organs, tissues, or cell cultures by measuring the voltage developed by the injection of small alternating currents at different frequencies.
Battistel Alberto +3 more
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