Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 54 for “"VLSI and Circuits, Embedded and Hardware Systems"”.
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Asic Design of RF Energy Harvester Using 0.13UM CMOS Technology
… sensor nodes, data acquisition devices, wearable and implantable medical devices have paved way for low power (sub 50uW) devices. These devices generally use small solid state or thin film batteries for power supply which need replacement or need to be removed for charging. RF energy harvesting …
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An iconic approach to parallel design
… can hide unwanted detail, 3) can expose timing and communication, and 4) can translate the graphic model into code. Petri net theory is used as the basis for the graphic model while Occam is used as the target language. The hardware model onto which the model is mapped is a system of …
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Silicon Germanium SRAM and ROM Designs for Wide Temperature Range Space Applications
… presents a design flow from specifications and feature requirements to embeddable blocks of SRAM and ROM designs from 64 bytes to 1 kilobyte that are suitable for lunar environments. The design uses the IBM SiGe 5AM BiCMOS 0.5 micron process for a synchronous memory system capable of …
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Opto-VLSI based WDM multifunction device
… the Internet, has made the development of high-bandwidth optical net-works a focus of research interest. The implementation of Dense-Wavelength Division Multiplexing (DWDM) optical fiber transmission systems has the potential to meet this demand. However, crucial components of DWDM networks – …
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A transputer based prototype for a fuzzy logic controller with tuning and simulation capabilities
… addresses a method for streamlining development and maintenance of fuzzy logic systems applied to industrial control. That method provides for tuning the rules and parameters for fuzzy control of an industrial process, without interfering in the production process itself. The capability to …
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Hardware IP Classification through Weighted Characteristics
<p>Today’s business model for hardware designs frequently incorporates third-party Intellectual Property (IP) due to the many benefits it can bring to a company. For instance, outsourcing certain components of an overall design can reduce time-to-market by allowing each party to specialize and …
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Asynchronous Circuit Synthesis Using Multi-Threshold NULL Convention Logic
<p>As the demand for an energy-efficient alternative to traditional synchronous circuit design grows, hardware designers must reconsider the traditional clock tree. By doing away with the constrains of a clock, asynchronous sequential circuit designs can achieve a much greater level of efficiency. …
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Differential Power Analysis In-Practice for Hardware Implementations of the Keccak Sponge Function
… is the winner of the National Institute of Standards and Technology (NIST) competition to develop the Secure Hash Algorithm-3 Standard (SHA-3). Prior work has developed reference implementations of the algorithm and described the structures necessary to harden the algorithm against power …
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Design of an Integrated Acceleration Acquisition Subsystem to Satisfy High-Speed and Low-Area Requirements for CubeSats
… into orbit. This work focuses on the design and development of the acceleration data acquisition (DAQ) subsystem of MOSES. This subsystem is designed around the need for a high-speed sampling system of at least 200 kHz across four channels of data, plus low-area limitations in the MOSES form …
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Comparison of Various Pipelined and Non-Pipelined SCl 8051 ALUs
… two versions: SCL 8051 ALU with <em>nsleep</em> and <em>sleep</em> signals and SCL 8051 ALU without <em>nsleep</em>. Both versions have combinational logic (C/L), registers, and completion components, which all utilize slept gates. Both three-stage pipelined and non-pipelined designs were …
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Silicon Germanium BiCMOS Comparator Designed for Use in An Extreme Environment Analog to Digital Converter
… the process of creating a radiation hardened and extreme temperature operating comparator from start to finish in the 90 nm SiGe 9HP process node. This includes the entire design flow from examining comparator topologies, to designing the initial comparator circuits, to simulating the …
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Design and Analysis of an Asynchronous Microcontroller
… MTNCL MSP430 microcontroller is designed and benchmarked against an open source synchronous MSP430. The designs are compared in terms of area, active energy, and leakage energy. Techniques to reduce MTNCL pipeline activity and improve MTNCL register file area and power consumption are …
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Analysis of MOS Current Mode Logic (MCML) and Implementation of MCML Standard Cell Library for Low-Noise Digital Circuit Design
… mode logic (MCML) offers low noise digital circuits that reduce noise that can cripple analog components in mixed-signal integrated circuits, when compared to CMOS digital circuits. An MCML standard cell library was developed for the Cadence Virtuoso Integrated Circuit (IC) design software …
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Experimental Study and Modeling of the GM-I Dependence of Long-Channel Mosfets
<p>This thesis describes an experimental study and modeling of the current-transconductance dependence of the ALD1106, ALD1107, and CD4007 arrays. The study tests the hypothesis that the I-gm dependence of these 7.8 µm to 10 µm MOSFETs conforms to the Advanced Compact Model (ACM). Results from …
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TouchSPICE vs. ReActive-SPICE: A Human-Computer Interaction Perspective
<p>Traditional SPICE simulation tools and applications of circuit theory lack real-time interaction and feedback. The goal of this thesis was to create an interactive physical environment to allow the manipulation and simulation of discrete electrical components in near-real-time while optimizing …
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Characterization and Modeling of 4H-SiC Low Voltage MOSFETs and Power MOSFETs
<p>The integration of low voltage and high voltage circuits on SiC has profound applications. SiC power devices have proved their superiority in terms of high temperature operation, faster switching frequencies and larger power densities when compared with Si power devices. The control of SiC power …
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Reliable Software Updates for On-Orbit CubeSat Satellites
<p>CubeSat satellites have redefined the standard solution for conducting missions in space due to their unique form factor and cost. The harsh environment of space necessitates examining features that improve satellite robustness and ultimately extend lifetime, which is typical and vital for …
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Technology Mapping, Design for Testability, and Circuit Optimizations for NULL Convention Logic Based Architectures
<p>Delay-insensitive asynchronous circuits have been the target of a renewed research effort because of the advantages they offer over traditional synchronous circuits. Minimal timing analysis, inherent robustness against power-supply, temperature, and process variations, reduced energy …
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Investigation Of A Floating Load Buck Dc-Dc Switching Converter
… converter was analyzed, simulated, designed and prototyped. The floating load buck converter is first compared to the conventional buck converter. It was found that both the floating load buck converter and conventional buck converter exhibit similar conversion characteristics despite the …
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