Results 21 to 30 of about 395,266 (293)
Symmetry-Related Electromagnetic Properties of Resonator-Loaded Transmission Lines and Applications
Applied Sciences, 2015 This paper reviews the recent progress in the analysis and applications of the symmetry-related electromagnetic properties of transmission lines loaded with symmetric configurations of resonant elements.
Jordi Naqui +3 more
doaj +1 more source
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
doaj +1 more source
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
core +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Bose-Einstein Condensate Comagnetometer [PDF]
, 2020 We describe a comagnetometer employing the $f=1$ and $f=2$ ground state hyperfine manifolds of a $^{87}$Rb spinor Bose-Einstein condensate as co-located magnetometers.
Gomez, Pau +5 more
core +2 more sources
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
core +1 more source
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
doaj +1 more source
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
doaj +1 more source