Results 41 to 50 of about 34,619 (164)

Printed Graphene Derivative Circuits as Passive Electrical Filters

open access: yesNanomaterials, 2018
The objective of this study is to inkjet print resistor-capacitor (RC) low pass electrical filters, using a novel water-based cellulose graphene ink, and compare the voltage-frequency and transient behavior to equivalent circuits constructed from ...
Dogan Sinar, George K. Knopf
doaj   +1 more source

Mathematical models and simulations of phase noise in phase-locked loops [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2007
Phase noises in Phase-Locked Loops (PLLs) are a key parameter for communication systems that contribute the bit-rate-error of communication systems and cause synchronization problems.
Sethapong Limkumnerd   +1 more
doaj  

Development of VHF LC-Passive Filters for Multiband Transient Radio Telescope

open access: yesIJAIT (International Journal of Applied Information Technology), 2017
Filter is one of key module in a radio telescope system. This article present the development of VHF LC-passive filters meant to support a multiband antenna in a transient radio telescope system by reducing the bandwidth of each operating frequencies ...
Radial Anwar   +3 more
doaj   +1 more source

Performance Evaluation of Sinusoidal Power Supplies for Ozone Generation in Water Purification Applications

open access: yesSensors
Ozone generation is a water disinfection method, superior to chlorine in terms of fewer byproducts and no residual taste. However, its high production cost limits its widespread adoption. This paper designs an ozone generation sinusoidal power supply for
Mostafa M. Shibl   +3 more
doaj   +1 more source

Electricity Savings Using Passive Filters

open access: yesJournal of Physics: Conference Series, 2019
This study aims to provide knowledge in order to save electricity consumption. The use of electrical energy is recorded at KWH meters. Saving electricity means limiting the use of electrical energy according to need. The use of electrical energy is based on the use of electrical power.
I G Ratnaya   +2 more
openaire   +1 more source

Rectifier Filters

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2010
The paper contains definition of a smoothing factor which is suitable for any rectifier filter. The formulae of complex smoothing factors have been developed for simple and complex passive filters.
Y. A. Bladyko
doaj  

Design optimization of integrated CM/DM inductors for power drive input filter

open access: yesPower Electronic Devices and Components
More electric aircraft face many challenges related to the weight and losses of power quality and EMI filters. A solution to reduce weight and losses is integrating the Differential Mode (DM) and Common Mode (CM) inductances of filters in the same ...
Rodrigo Drummond   +6 more
doaj   +1 more source

Passive Sampler for Measurements of Atmospheric Nitric Acid Vapor (HNO3) Concentrations

open access: yesThe Scientific World Journal, 2001
Nitric acid (HNO3) vapor is an important nitrogenous air pollutant responsible for increasing saturation of forests with nitrogen and direct injury to plants.
Andrzej Bytnerowicz   +4 more
doaj   +1 more source

Harmonic Restraining Devices on Locomotives

open access: yes机车电传动, 2016
By contrasting the advantages and disadvantages between the passive filters and APF (active power filters), the schemeof the harmonic restraining devices on the locomotive was confirmed.
ZHANG Zhibing, ZHANG Zhixue, HUANG Chao
doaj  

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