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A new method of lay-out of multilayer printed circuit boards for circuits with redundancy is considered. A structure with two conductors is considered; in this structure the initial interference pulse is decomposed into two pulses with fourfold lower amplitudes. The paper demonstrates the effect of the relative dielectric constant value of the sublayer between redundant and backup conductors on difference...
Wave propagation characteristic of single phase medium voltage MV cross-linked-polyethylene (XLPE) cable is determined by using Time Domain Reflectometry (TDR). It involves sending electrical pulse along a cable by using an oscilloscope to observe the reflected pulses. By using electrical circuit analysis and transmission line theory, the relationship between the actual and the reflected pulses from...
In this paper a new circuit model for generating partial discharge (PD) signals in HV cables, considering the existence of semiconductor layer, based on the model registered by the authors has been presented and the effects of various parameters of semiconductor layer such as resistivity, permittivity and thickness on PD signal has been investigated. Also, the contributions of semiconductor layer...
The Power Line Communications (PLC) are often used in the data transmission for the management in the power transport network. Also since a few years the PLC uses the distribution network to transmit data (Internet, television cable, house automation …) among customers. In this work we are interested in calculation of the electromagnetic field emitted by the PLC network taking into account the power...
A quasi-TM reciprocity based multi-conductor transmission line model is used to investigate the influence of the geometry on the performance of on-chip transmission line pairs for high-frequency differential signal transmission. It is shown that both the knowledge of the fundamental transmission line modes and of the internal impedance of both connected circuits, are essential for a good design.
In this paper, the design of a compact planar bandpass filter above a defected ground plane is presented. The filter is designed as a combination of microstrip resonators and exploits the properties of a planar electromagnetic bandgap (EBG) structure patterned unto the ground plane of the printed circuit board material to provide a very wide stopband of up to 5 times the fundamental frequency. The...
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