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1342 articles for “digging”
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Design of High-Speed TIQ Comparator for Flash-Type ADC for (WPMOS/LPMOS) > 1
Abstract: Comparator is the circuit that compares an analog signal with the reference signal and produces the binary output based on comparison. A Comparator is the main block in the ADC design as it directly affects the conversion rate of an ADC. Depending on the type and architecture of the comparator, the comparator can have significant impact on the performance of the target application. The speed and resolution of an ADC …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 2, 2014 · pp. 47–52 Read article
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Design and Implementation of Low Noise Amplifier using 90 nm MOS Technology for Bluetooth
Abstract: In the era of Miniaturization it is necessary that analog field develops at par with the digital world. To design RF circuit on the single chip it is necessary that noise performance of active semiconductor devices are studied and configure the devices in such a way that noise gets minimized. In this paper various kinds of noise in the devices are explained at a brief. Low Noise Amplifier for Bluetooth …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 3, 2014 · pp. 13–19 Read article
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An FPGA-based Controller Design for Servo Actuator Using Xilinx System Generator and HDL Cosimulator
Abstract: This paper aims at designing a Field programmable gate array (FPGA)-based proportional, integral derivative (PID) controller in a servo-actuated control system. In the conventional method of implementing control systems in FPGA, there is no interaction between the controller and the system except for the final stage of implementing control system in the hardware. The proposed methods provide approaches for analyzing the performance of the controller and system in MATLAB simulink …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 1–6 Read article
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High-speed CMOS ADCs Design
Abstract: This paper presents the design of high-speed subranging and flash analog to digital data converters (ADC) including the design of efficient operational amplifier to meet the performance requirements of these data converters for the specifications laid down targeted to the SCL 1.2 μm CMOS Foundry. The design starts from the specification of the circuit, its theoretical analysis for the parameter estimations of the transistors as well as the circuit’s design. …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 59–74 Read article
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A New TGC-Differential Input Stage to Modify Dynamic Comparator
Abstract: As the technology rapidly scaling down, the escalating demand for higher accuracy is putting a heavy pressure to find ways to get rid of one of the major issues among present day dynamic comparators i.e. random offset voltage generation. A number of offset calibration techniques have been presented to resolve this issue. It has become an important concern to analyze these techniques for scaled down technology nodes to cop up …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 74–85 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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Design of Low Power Resistor Less Flash ADC for UWB Receiver Applications
Abstract: In this paper, two designs of flash analog to digital converters (ADCs) based on threshold inverter quantization (TIQ) technique are presented. The parallel threshold inverter quantization (PTIQ) flash ADC exploits the advantage of reduction in capacitance and power consumption if the transistors are placed in parallel. Another design called low voltage tunable body bias (LVTBB) PTIQ ADC operates at near threshold voltage level to minimize the power consumption. The PTIQ …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 3, 2016 · pp. 71–87 Read article
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Analysis of Resource Utilization for a Floating-Point Complex Multiplication in FPGA
Abstract: Complex multiplication is an important operation frequently used in the digital signal processing. This paper shows the resource utilization for a complex multiplication on Spartan3E by using a 9 bit floating point numbers. The proposed method clearly shows that resource utilization for complex multiplication is less than the IP cores proposed by the Xilinx Company. More over this paper shows how the significant and the exponent of the floating point …
Published in Journal of VLSI Design Tools and Technology · Vol. 1, Issue 1-2-3, 2011 · pp. 9–14 Read article
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A Novel Conflict-Free Efficient Memory-Based Real FFT Processor using UTB
Abstract: AbstractWe present “A Novel Conflict-Free Efficient Memory-Based Real Fast Fourier Transform (RFFT) using Urdhva Tiryagbhayam Butterfly”. In this paper different FFT lengths for address schemes are integrated that supports FFT processing which are used in diverse systems such as telecommunications. Address methods for various FFT lengths are coordinated in this paper to help FFT processing for different frameworks like broadcast communications. The memory bank and address can be produced by …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 3, 2019 · pp. 1–11 Read article
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Design and Simulation of 4-bit Multiplier using Carry Look-Ahead Adder at Transistor Level
Abstract: Multiplication is a basic operation performed in the Arithmetic Logic Unit, Digital signal processing, Floating-point unit and Application specific integrated circuits. This paper deals with the design and simulation of the 4-bit multiplier using a carry look-ahead adder at the transistor level. The total design process involves hierarchical implementation. Where the basic gate operations like AND, OR, NOT, and XOR are repeatedly used for designing the entire circuit. So, the …
Published in Journal of VLSI Design Tools and Technology · Vol. 11, Issue 3, 2021 · pp. 10–18 Read article
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Comparison of RSA and ECC Public key Cryptography Techniques in WSN
Abstract: Nowadays, the usage of the wireless sensor networks becomes more advanced and popular. The more these technologies are increasing; there is more necessity for the security mechanisms where the networks have increased diverse. So many security mechanisms solutions are been proposed in the domain of WSN so far and mostly these solutions are usually based on the cryptographic techniques or algorithms. This paper describes two public key cryptography techniques namely, …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 1, 2022 · pp. 28–35 Read article
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Comparative Analysis of CMOS CNFET and Memristor Based Full Adder Circuits and CMOS Memristor Based Multiplexer Circuits
Abstract: Continued developments in microelectronics technology have led to a myriad of new compute-intensive applications at the micro-edge, such as artificial intelligence and signal and image processing. Multiplication is a crucial arithmetic process in such applications. However, large logic complexities typically seen in traditional multipliers generate combinatorial blocks with long chains of cascaded carry addition. As such, energy efficiency has remained a primary design challenge for these applications, when powered by …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 2, 2022 · pp. 22–33 Read article
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Comparative Analysis of Partial Product Addition in Vedic Urdhva Tiryakbhyam Multiplier
Abstract: Multiplication is one of important operations performed in many digital signal processing applications. Hence the performance of the multiplier will affect the overall performance of the DSP processor. The methods like booth multiplier, and array multiplier are used. Vedic multiplication technique had proved its importance in getting the speed of multiplication. It is required to add the generated partial products quickly, to generate the result of multiplication faster. To add …
Published in Journal of VLSI Design Tools and Technology · Vol. 13, Issue 1, 2023 · pp. 15–32 Read article
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DEM Development using Geographic Information System for Topographic Assessment
Abstract: Topography of the earth surface plays a vital role in the distribution of water within the natural land surfaces. This includes various hydrological processes like surface runoff, infiltration and evaporation. The quantitative assessment of these processes mainly depends upon the topography of the surfaces. Many topographic features can be computed directly from Digital Elevation Model (DEM). Assessment of topography manually is generally tedious, time consuming and often subject to error. …
Published in Journal of Water Resource Engineering and Management · Vol. 1, Issue 3, 2014 · pp. 17–23 Read article
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Advanced GIS Approach to Design of 24×7 Water Distribution Network Using WaterGEMS V8i Software
Abstract: Safe and adequate drinking water plays vital for sustaining the quality of life in urban areas. There is a significance of proper management of water supply and its usage in this modernworld and industrialization. It is necessity of time that to replace the traditional and obsolete methods of surveying, planning, designing and analyzing the water distribution networks with accurate, speedy and computer-based software’s and methods. Application of WaterGEMS V8i software …
Published in Journal of Water Resource Engineering and Management · Vol. 7, Issue 3, 2020 · pp. 38–45 Read article
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Examining the Influence of DEM Resolution in Flood Hazard Assessment using the Flood Modeller Pro 2D Solver
Abstract: Floods are the most frequent natural hazards that threat the human life, environment and infrastructure. The flood prediction models that have wide use in the recent years represent important tools for flood management decisions aiming to mitigate the impacts of the flood events. The accuracy of the constructed prediction models is based on the quality of the primary data, such as the terrain’s resolution. This study examines the effect of …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 1, 2017 · pp. 14–24 Read article
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Site Suitability Analysis of Soil and Water Conservation Structures in Sillod Watershed, Maharashtra, India using Geographic Information System Approach: A Case Study
Abstract: Watershed development and management programs envisage the development activities along with sustainable utilization of natural resources would raise the living standards of watershed inhabitants. Construction of soil and water conservation structures is the main activity of watershed development program. Location of soil and water harvesting structures in watershed is very important factor for efficient watershed development program. Construction of water harvesting structures at best suitable location will not only conserve …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 22–32 Read article
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Estimation of Soil Erosion for Sheonath River Basin by Using RUSLE and GIS
Abstract: Soil erosion is biggest problem throughout the world and its various hazardous impacts on human; it affects the quality of soil as well as quality of water. Its assessment and mapping of erosion prone area are very essential for soil conservation and watershed management. There are various models developed for soil loss estimation. Revised universal soil loss equation is most widely used. In present study, the RUSLE method is used …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 33–41 Read article
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Assessment of the Current Situation of Drinking Water in the Al Jufra Region–Libya
Abstract: Rainwater, groundwater and surface water are considered the most important sources of water for most Arab countries in general. Most Libyan cities depend mainly on groundwater for drinking water sources. Al-Jufra is one of the areas that has suffered from a lack of water resources in recent years as a result of urban, population and agricultural development. And as it occupies an important geographical area in the center of the …
Published in Journal of Water Resource Engineering and Management · Vol. 9, Issue 2, 2022 · pp. 13–18 Read article
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Study of Morphometric and Topographic Parameters of Nashik District and Its Talukas Using GIS Tool
Abstract: In this article, an analysis of the morphometric and topographic characteristics of Nashik district and its talukas using GIS technology is done. The methodology discussed here involved various steps such as obtaining toposheets, georeferencing them, clipping relevant areas, mosaicking images together, allocating contours, preparing a Digital Elevation Model, delineating boundaries, deriving river networks and their properties. The results include important morphometric and topographic parameters for both Nashik district as a …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 2, 2023 · pp. 39–49 Read article