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705 articles for “sil”
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FPGA Implementation of Variable Step Size Adaptive Filters for Signal De-noising
Abstract: This paper presents the design and implementation of a variable step size 40 order adaptive filter for de-noising acoustic signals. Four different adaptive filters (LMS, Sign-Data, Sign-Error and Sign-Sign) were designed using three different structures, viz., direct form, transposed and the proposed structure and their de-nosing performance was compared. Further, the filters were implemented on three different Field programmable gate arrays (FPGAs), viz., Spartan 6, Virtex 6 and Viretx 7 …
Published in Journal of Semiconductor Devices and Circuits · Vol. 1, Issue 3, 2014 · pp. 7–19 Read article
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Experimental Investigations to Improve the Electrical Characteristics of Nitride-Based Nanoelectronic High Electron Mobility Transistors
Abstract: In this work, the DC and RF performances of conventional nanoelectronic high electron mobility transistor (HEMT) are compared with those of two individually modified HEMT structures in a nano-scale regime. All simulation results are produced by the SILVACO- ATLAS physical simulator according to the performed designs of HEMT structures. In each of these HEMT structures, the formation of quantum well is demonstrated at unbiased condition. In the DC analysis of …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 1, 2021 · pp. 14–30 Read article
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Comparative Study of Symmetric and Asymmetric Oxide Double Gate Junction less FET
Abstract: We carry out the performance of symmetric oxide (HfO2+HfO2) and asymmetric oxide (SiO2+HfO2) n-type junction less field-effect transistor (JLFET) based on two- dimensional Poisson equation. This study is accomplished by simulating a symmetric and asymmetric double gate JLFET on Sentaurus, Technology Computer Aided Design (TCAD) simulator for Silicon (Si) material at room temperature and varying temperature in between 300-360 k.Based on device simulation we find that the asymmetric oxide shows …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 2, 2021 · pp. 14–20 Read article
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Literature Review on Space Structure Connection
Abstract: AbstractThe performance of structural connections of all types has been the subject of intensive research during the last two decades. In connection system for the space structure, considering structural and geometrical requirements, many researches have provided different types and forms of connectors. Modern research from Luciano Mendes Bezerra, Cleirton André Silva de Freitas, William Taylor Matias, Yosiaki Nagato (increasing load capacity of end-flattened connections, 2009), Seyed Amin Mostafavian, Mohammad Reza …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 1–8 Read article
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Compressive and Tensile Behavior of Lime Added Geopolymer Concrete.
Abstract: Concrete is the most used material, which required large quantities of Ordinary Portland Cement (OPC). OPC production is held responsible for some of the CO2 emissions, which polluted the atmosphere. Hence, it is inevitable to find an alternative material to OPC. Geopolymer concrete is a best alternative which shall be produced by the chemical action of inorganic molecules. This paper focuses fly-ash based Geopolymer concrete with addition of lime. In …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 1–11 Read article
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Use of Alccofine for Better Performance in High Grade Concrete
Abstract: As India is developing country and demand for the high rise building and other construction industries are growing day by day, along with these demand for non renewable resources, concrete making materials are required. As there is demand for the materials used, there is scarcity too of the materials used. Also there are various supplementary waste in concrete like fly ash, silica fumes, etc. The main objective of our project …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 3, 2020 · pp. 5–8 Read article
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Effect of Fiber Addition in Geopolymer Concrete: A Study on Comparison betweenNatural and Artificial Fibers
Abstract: Geopolymer concrete is an inorganic polymer concrete, containing no ordinary Portland cement (OPC). It is produced by reacting alumino-silicate source material with alkaline solution. Geopolymer concrete has highly desirable structural engineering properties, which can lead to significant environmental and economic benefits. Fibers in general and polypropylene (PP) fibers in particular have gained popularity in recent years for use in concrete, mainly owing to their low price and excellent characteristics. Alkalineliquids …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 1, 2015 · pp. 18–24 Read article
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Hard and Wear-Resistant Nanocomposite Thin Film Coatings
Abstract: Recent advancements in the hard and wear-resistant protective coatings have made high speed machining increasingly viable in the industries. The nanocomposite coatings have immense applications today in dry and high speed machining due their high wear resistance and high oxidation resistance properties. The high oxidation and wear resistance properties are obtained by addition of fourth element such as silicon to tertiary transition metal nitride compounds. In this work, a review …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 3, 2015 · pp. 28–32 Read article
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Performance of Cr3C2-25(Ni-20Cr) and Ni-20Cr Coatings on T22 Boiler Tube Steel in Simulated Boiler Environment
Abstract: Corrosion of metals is a dangerous process, due to which there is loss of metal by the attack of corrosive agents. The high temperature corrosion causes fast material degradation which results in failure of components. Boiler tubes in the thermal power plants are subjected to corrosion due to high temperatures. Thermal spray coatings have been used to reduce the corrosion of boiler tubes. In this research paper an attempt has …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 2, 2016 · pp. 19–26 Read article
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6000 inhibitors for aluminum and its alloys
Abstract: 6XXX series of aluminum alloys suffer from severe corrosion in acidic saline medium. These alloys are used for architectural, automobiles, aviation, household appliances, containers and electronic devices. Organic-inorganic sol-gel hybrid coatings are synthesized on these alloys. Rear earth inhibitors consider lanthanum inhibitors to be better than cerium inhibitors. These contexts discuss epoxy-silica-zirconia by sol-gel coatings, paddy residue, colchicines, rare earth coatings and ionic liquid for composites
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 2, 2019 · pp. 18–25 Read article
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Review Paper To Design a Low Power CNTFET Based XOR Gate
Abstract: The continuous scaling down of Silicon technology leads to various critical challenges and reliability issues such as short channel effect, high leakage current, interconnect problems, etc. CNTFET is the most probable substitutes to traditional MOSFET. The CNTFET device based circuits portray advantages with its better control over the device channel, reduced leakage current, reduced short channel effects. The CNTFET based XOR gate circuits incur the minimum power and energy dissipation. …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 1, 2018 · pp. 48–53 Read article
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Design, Verification and Circuit Level Implementation of a Ballistic MOSFET
Abstract: A drain current expression is obtained for a nanoscale ballistic MOSFET within the framework of Landauer-Buttiker formalism considering intrinsic silicon channel at low temperature. The model drain current is compared with the numerical simulations of near ballistic nanoMOSFET structure. There is a reasonable agreement between the model and the numerical simulation results. This demonstrates the remarkably low value of the subthreshold slope of ballistic nanoMOSFET. Further, the design structure is …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 3, 2018 · pp. 15–22 Read article
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System Level Modeling of ISMB Quadrature Transceiver
Abstract: In this paper, a new ISMB quadrature transceiver system-level design architecture is presented along with its referenced mathematical models and these were verified using state-of-the-art system modeling tools. Unlike a K-TEK’s receiver, it does not suffer from the timing and template matching problems, and it circumvents processing at high frequencies, thereby reducing the on-chip circuit complexity and power consumption. Hilbert transform has been used at the output of the demodulator …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 108–117 Read article
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Detailed Study of Working and Applications of FinFET Technology and Its Adaptability in Current Era
Abstract: The CMOS technology is following Moore’s law since almost 25 years. The scaling of CMOS transistor has increased packaging density, speed and decreased power dissipation in the integrated circuits. However, CMOS dimension when scaled to nanometer dimension, many physical barriers arise. In sub-100 nm scale, MOSFET has new variants as SOI implementation and double gate. Keywords: Silicon on insulator (SOI), short channel effect (SCE) [2], buried oxide (BOX)
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 52–58 Read article
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Layout Design, Fabrication and Characterization of n-Channel MOSFET
Abstract: Primary force behind evolution of semiconductor industry is MOSFET, after its first IC based experimental demonstration in 1960s. It is fundamental working unit of most of the electronic circuits like cells in living being. Number of devices on a single chip has been increased with rapid phase with evolution of new technology of materials. Today there are more than 4 billion transistors are there on a single chip with effective …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 13–18 Read article
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Design and Implementation of Low Power 8-bit Level Crossing ADC
Abstract: Implantable medical devices, electronic gadgets, wireless communication elements and many other such applications require low power electronic circuits. Analog to digital converters are essential part of most of such circuits. This paper presents a design of the level crossing analog to digital converter (LC-ADC) architecture. The proposed circuit and layout has been implemented in semi-conductor laboratory (SCL) 180 nm technology and its performance was evaluated using cadence virtuoso at supply …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 33–43 Read article
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Survey of System-on-Chip Modular Test Approach
Abstract: The advancement in semiconductor technology over the past few decades has enabled the industry to develop new design and reuse methodologies referred as System-on-chip (SoC) design. These typically integrate heterogeneous mix of various complex analog and digital cores, with all their necessary electronic circuitry. The recent advancements have led to the use of the 3D structures (3D-SOCs) that brought along the benefits of higher performance, minimum average interconnect length, reduced …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 3, 2016 · pp. 56–70 Read article
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A Novel Approach Based On-Chip High Speed Optical Interconnection Network
Abstract: On-chip optical interconnects (OIs) have the potential to outperform electrical wires and to ultimately solve the communication problem and obtain high-performance integrated circuits. On-chip interconnects are an important performance limiting factor in present day VLSI design. Performance optimization has always been a critical step in the designing of integrated circuits. In this paper, an optical interconnect in 1550 nm range is being implemented using opti-system software. A novel approach is …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 1, 2017 · pp. 41–48 Read article
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Simulation and Analysis of Grid Integrated Solar PV System under Variable Climatic Conditions
Abstract: Infusing photovoltaic power into the utility network has earned expansive affirmation in nowadays of reasonable force source age and scattering. Lattice associated inverters have propelled inside and out with high-various assortment. Effectiveness, size, weight, steadfastness, etc have all improved in a general sense with the improvement of present and imaginative inverter arrangements and these factors have influenced the expense of delivering inverters. This paper shows a composing overview of the …
Published in Journal of VLSI Design Tools and Technology · Vol. 10, Issue 2, 2020 · pp. 26–33 Read article
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Quantum Behavior of Charge Carriers in a Symmetrical Double Gate MOSFET
Abstract: Our earlier work on modeling of single gate n-channel metal oxide semiconductor field effect transistor (MOSFET) has been extended to discuss the quantum behavior of charge carriers in symmetrical double gate (DG) MOSFET. The potential profile in the channel region of DG MOSFET has been obtained in parabolic approximation. The parabolic potential facilitates analytical expression for electric field. The appropriate Schrodinger’s equation has been solved to obtain wave functions in …
Published in Journal of VLSI Design Tools and Technology · Vol. 11, Issue 1, 2021 · pp. 17–28 Read article