Results 11 to 20 of about 58,213 (219)

A Tunable-Gain Transimpedance Amplifier for CMOS-MEMS Resonators Characterization

open access: yesMicromachines, 2021
CMOS-MEMS resonators have become a promising solution thanks to their miniaturization and on-chip integration capabilities. However, using a CMOS technology to fabricate microelectromechanical system (MEMS) devices limits the electromechanical ...
Rafel Perelló-Roig   +3 more
doaj   +1 more source

Coupled-Oscillator Associative Memory Array Operation for Pattern Recognition

open access: yesIEEE Journal on Exploratory Solid-State Computational Devices and Circuits, 2015
The operation of an array of coupled oscillators underlying the associative memory function is demonstrated for various interconnection topologies (cross-connect and star-coupled).
Dmitri E. Nikonov   +7 more
doaj   +1 more source

A Transformational Framework for Analysis of Phase Noise in LC Oscillators

open access: yesIEEE Journal of Microwaves, 2022
Phase noisehas become the single most critical factor to be addressed in the design of modern communication systems. Facing the challenging requirements of 5G cellular communication, our paper describes a new theoretical framework to calculate the phase ...
Sudipta Saha   +2 more
doaj   +1 more source

Increasing Local Excitability of Brainstem Respiratory Nuclei Reveals a Distributed Network Underlying Respiratory Motor Pattern Formation

open access: yesFrontiers in Physiology, 2019
The core circuit of the respiratory central pattern generator (rCPG) is located in the ventrolateral medulla, especially in the pre-Bötzinger complex (pre-BötC) and the neighboring Bötzinger complex (BötC).
Rishi R. Dhingra   +5 more
doaj   +1 more source

Enhanced Sensitivity of Surface Acoustic Wave-Based Rate Sensors Incorporating Metallic Dot Arrays

open access: yesSensors, 2014
A new surface acoustic wave (SAW)-based rate sensor pattern incorporating metallic dot arrays was developed in this paper. Two parallel SAW delay lines with a reverse direction and an operation frequency of 80 MHz on a same X-112°Y LiTaO3 wafer are ...
Wen Wang   +4 more
doaj   +1 more source

OSCILLATORY ROLL OF THE ROAD ROLLER WITH A DOUBLE SIDE PLATE

open access: yesВестник СибАДИ, 2019
Introduction. Soil compaction plays a crucial role in the construction of road foundations. The quality of this process is influenced by the type and modes of application of external force from the seal.
S. V. Saveliev   +3 more
doaj   +1 more source

High-Frequency Oscillatory Ventilation as a Rescue Mode for Refractory Hypercarbia in Children

open access: yesTokyo Women's Medical University Journal, 2022
High-frequency oscillatory ventilation (HFOV) use in the airway obstructive status can be relatively contraindicated by the risk of air trapping leading to hemodynamic compromise.
Mai Miyaji   +4 more
doaj   +1 more source

Photonic Free-Electron Lasers

open access: yesIEEE Photonics Journal, 2012
A photonic free-electron laser (pFEL) produces coherent Cerenkov radiation from a set of parallel electron beams streaming through a photonic crystal. The function of the crystal is to slow down the phase velocity of a copropagating electromagnetic wave,
P. J. M. van der Slot   +4 more
doaj   +1 more source

A Temperature-Compensated Single-Crystal Silicon-on-Insulator (SOI) MEMS Oscillator with a CMOS Amplifier Chip

open access: yesMicromachines, 2018
Self-sustained feedback oscillators referenced to MEMS/NEMS resonators have the potential for a wide range of applications in timing and sensing systems.
Mohammad S. Islam   +5 more
doaj   +1 more source

Synchronization of pulsed and continuous-wave IMPATT oscillators in the millimeter wavelength range. Part 2. Stabilizing microwave parameters of synchronized generators

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2021
This is the second part of the two-part article, which summarizes the state-of-the-art results in the development of synchronized oscillators based on IMPATT (IMPact ionization Avalanche Transit-Time) diodes.
Mykola Karushkin
doaj   +1 more source

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