Buscar
Mostrando ítems 1-10 de 11
Artículo
Reducing Conducted Emissions at the Output of Full-Bridge DCDC Converters with High Voltage Steps
(MDPI, 2021-06)
In this work, we analyze the impact of output filter design techniques aimed to reduce conducted emissions at the output of a DCDC power converter. A thorough analysis, based on high-frequency circuit models of the ...
Artículo
Improving Performance of Compact EMI Filters by using Metallic and Ferrite Sheets
(Institute of Electrical and Electronics Engineers Inc., 2021-08)
Magnetic coupling between components in compact electromagnetic interference filters is one of the main effects that undermine their ability to reduce conducted emissions of power converters at frequencies above several ...
Artículo
Simple Setup for Measuring the Response to Differential Mode Noise of Common Mode Chokes
(MDPI, 2020-02)
This work presents a technique to measure the attenuation of differential mode noise provided by common mode chokes. The proposed setup is a simpler alternative to the balanced setup commonly employed to that end, and ...
Artículo
Use of Mutual Coupling to Decrease Parasitic Inductance of Shunt Capacitor Filters
(IEEE-Institute of Electrical and Electronics Engineers, 2015-12)
In this paper, we propose and study several new designs of a shunt capacitor filter with two surface-mount technology capacitors. These designs make use of mutual inductance effects to increase the attenuation provided by ...
Artículo
Characterization of Common Mode Chokes at High Frequencies with Simple Measurements
(IEEE, 2018-05)
In this paper, we present a technique to characterize common mode chokes at high frequencies that only requires a measurement, which can be performed with a spectrum analyzer with the tracking generator. This technique is ...
Artículo
The Lorentz force on ions in membrane channels of neurons as a mechanism for transcranial static magnetic stimulation
(Taylor & Francis, 2020)
Transcranial static magnetic stimulation is a novel noninvasive method of reduction of the cortical excitability in certain neurological diseases that makes use of static magnetic fields generated by permanent magnets. By ...
Artículo
Compact Balanced Dual-Band Bandpass Filter Based on Modified Coupled-Embedded Resonators
(Institute of Electrical and Electronics Engineers, 2017)
A new compact balanced dual-band bandpass filter based on coupled-embedded resonators with modified ground plane is presented in this work. Common-mode is rejected within the two differential passbands by symmetrically ...
Artículo
Low-frequency excitation of leaky modes in a microstripline with a top cover
(2011)
This paper studies the excitation of a physical leaky mode in a covered microstrip structure at low frequencies. We calculate the current excited in the line by a delta-gap voltage source via a full wave analysis based on ...
Artículo
Winding Optimization for Reducing Parasitic Capacitances of Common-Mode Chokes
(IEEE, 2024-05)
Parasitic capacitances typically undermine the filtering performance of common mode chokes at high frequencies. This work demonstrates that these parasitic capacitances can be reduced by using a wise winding strategy that ...
Artículo
Modal Theory and Approach for Accurate Characterization of Common-Mode Chokes
(Institute of Electric and Electronics Engineers (IEEE), 2023-09-01)
This article presents a method for characterization of common-mode chokes aimed at constructing accurate virtual prototypes of electromagnetic interference filters. This method is based on a general modal analysis that ...