Results 21 to 30 of about 263,058 (283)

Low-Temperature Synthesis of Titanium Oxynitride Nanoparticles

open access: yesNanomaterials, 2021
The synthesis of transition metal oxynitrides is complicated by extreme reaction conditions such as high temperatures and/or high pressures. Here, we show an unprecedented solution-based synthesis of narrowly dispersed titanium oxynitride nanoparticles ...
Felicitas Jansen   +5 more
doaj   +1 more source

Development of Four-Channel Buck-Type LED Driver with Automatic Current Sharing

open access: yesEnergies, 2021
A buck-type light-emitting diode (LED) driver is proposed herein. The proposed LED driver automatically possesses current sharing and high step-down voltage gain. Without complex control, the proposed LED driver, with a single input and multiple outputs,
Yeu-Torng Yau, Kuo-Ing Hwu, Yao-De Tsai
doaj   +1 more source

Static and dynamic aspects of an air gap capacitor [PDF]

open access: yes, 1992
This paper deals with the theory of an air-gap capacitor used as a micromechanical resonator. Both static and dynamic aspects are discussed. A single-element approach for the electrostatic excitation and capacitive detection of the vibrational motion of ...
IJntema, Dominicus J.   +1 more
core   +3 more sources

Capacitors Consisting of an Aqueous Electrolyte of the Widest Potential Window —Development towards the Recovery of Regenerating Energy of Automobiles—

open access: yesElectrochemistry, 2020
An aqueous capacitor has been developed mainly for the purpose of recovering the regenerating energy for automobiles. A rapid charging within few seconds is required as well as the safety and the considerably large energy density.
Yoon-Yul PARK   +5 more
doaj   +1 more source

A Novel MEMS Capacitor with a Side Wall for High Tuning Ranges

open access: yesApplied Sciences, 2022
These days, the market of wireless communications has developed dramatically. Thus, demand increased with respect to wireless communication terminals that consume less power.
Kibum Lee, Jinho Kim
doaj   +1 more source

DECREASE OF TRANSIENTS DURATION AND IMPROVEMENT OF DYNAMIC CHARACTERISTICS OF ELECTRICAL DISCHARGE INSTALLATIONS BY CHANGING THE STRUCTURE OF THEIR DISCHARGE CIRCUIT

open access: yesТехнічна електродинаміка, 2020
The features of changing the duration and nature of transients in electric-discharge installations (EDIs) when shunting the discharge circuit of their capacitor with an additional RL-circuit instead of by regulating the voltage feedbacks are determined ...
Н.І. Супруновська   +3 more
doaj   +1 more source

QFN-Packaged Bandpass Filter With Intertwined Circular Spiral Inductor and Integrated Center-Located Capacitors Using Integrated Passive Device Technology

open access: yesIEEE Access, 2019
This paper describes the implementation of a miniaturized quad flat no-lead (QFN)-packaged bandpass filter (BPF) with a combination of an intertwined circular spiral inductor and two types of integrated center-located capacitors using gallium-arsenide ...
Zhi-Ji Wang   +3 more
doaj   +1 more source

An algorithm for optimal sizing of the capacitor banks under non-sinusoidal and unbalanced conditions [PDF]

open access: yes, 2014
In non-sinusoidal and unbalanced systems, optimal sizing of the capacitor banks is not a straightforward task as in sinusoidal and balanced systems. In this paper, by means of qualitative and quantitative analysis, it is interpreted that the classical ...
Abdel Aleem, SHE   +3 more
core   +1 more source

Reliability Study of Electronic Components on Board-Level Packages Encapsulated by Thermoset Injection Molding

open access: yesJournal of Manufacturing and Materials Processing, 2020
A drastically growing requirement of electronic packages with an increasing level of complexity poses newer challenges for the competitive manufacturing industry.
Romit Kulkarni   +6 more
doaj   +1 more source

A practical approach to switching-loss reduction in a large-capacity static VAr compensator based on voltage-source inverters [PDF]

open access: yes, 2000
This paper presents a simple method for reduction of switching and snubbing losses in a large-capacity static VAr compensator (SVC) consisting of multiple three-phase voltage-source square-wave inverters.
Akagi, Hirofumi   +2 more
core   +1 more source

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