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A critical analysis of various Frequency Selective Surface (FSS) structures like square, hexagonal and circular has been presented in this paper, which can be used to obtain a dual pass band for GSM 900 & 1800 MHz frequency. This analysis can be used to construct the FSSs for the better performance of mobile communication where energy efficient panes are used to isolate the area by restricting...
This paper summarises some of the important challenges power transmission networks will be facing in the near future. Special focus has been laid on the operation of High Voltage Direct Current (HVDC) overhead transmission lines, which are expected to be used for extended parts of newly built HVDC transmission systems. As one of the most promising and emerging DC technologies, a Modular Multilevel...
The present paper discusses the development, characterization and microwave absorption properties of nanostructured nickel ferrite and the influence of loading of the frequency selective surfaces (FSS) on microwave absorption. Synthesis of the material was done by a sol-gel mediated auto-combustion technique and phase purity was determined by X-ray diffraction studies. As prepared nickel ferrite of...
This paper presents device physics based on electrical modeling of staggered and planar structures of Organic Field Effect Transistors (OFETs). It is preferable to have compact dc models that can be used in simulations to forecast and optimize performance of OFETs. Since a unified compact model is not sufficient to derive all characteristics using materials and fabrication processes, therefore, several...
Thermal issues are becoming more important but is the hype getting the better of the facts? Does this deserve more attention than for some niche designs and technologies such as 3D ICs.? Does the broader design community need to worry about it at 32 nm and beyond or it will only impact a small segment of designs? In short, does the severity of power issues coupled with packaging complexity translate...
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