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Filtering by: Alternative title ssim Technical note no. 150 Remove constraint Alternative title ssim: Technical note no. 150 Degree Field Electrical and Computer Engineering Remove constraint Degree Field: Electrical and Computer Engineering

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  • Renewable Energy in the Pacific Northwest - Technical and Economic Analysis of 100% Renewable Portfolios, including Seasonality Impacts and Potential Applications of Energy Storage

    Creator:
    Harpool, Scott
    Abstract:
    Renewable electrical energy sources are relatively easy to integrate at moderate penetrations, utilizing a combination of technical and market methods to increase grid flexibility. However, integrating high renewable portfolios is more challenging, and the optimal combination of resources will vary depending on the features of specific geographic areas. This study...
    Resource Type:
    Dissertation
    Full Text:
    August 27, 2018. Title: Renewable Energy in the Pacific Northwest - Technical and Economic Analysis

  • A graphic user interface for monophonic music analysis

    Creator:
    Matos G., Soraya J.
    Abstract:
    A Graphic User Interface is developed to determine the existence of a particular sequence of piano notes within a monophonic sound waveform. Such waveforms are recorded within the Graphic User Interface and then passed to the monophonic analysis engine. The first phase of analysis segments the PCM sound data to...
    Resource Type:
    Masters Thesis
    Full Text:
    exceeding 10 notes per second. Thus, one note is played in no less time than 100 ms. Recall that the

  • Ultra-wideband indoor localization systems

    Creator:
    Ye, Ruiqing
    Abstract:
    Indoor localization systems have a variety of applications such as tracking of assets, indoor robot navigation, and monitoring of people (e.g. patients) in hospitals or at home. Global positioning system (GPS) offers location accuracy of several meters and is mainly used for outdoor location-based applications as its accuracy degrades significantly...
    Resource Type:
    Dissertation
    Full Text:
    hospitals or at home. Note that accuracy is not the only aspect of the overall performance of the system

  • A 5 GHz Wi-Fi Receiver Front End with 4x80 MHz Channels for a High Accuracy Indoor Localization System

    Creator:
    Gray, Kyle L.
    Abstract:
    The ability to accurately locate people and objects indoors will enable opportunities for control and automation of indoor environments. Current indoor localization solutions require dedicated hardware which must be custom tailored to each application. There are large technological, societal, and economic benefits in developing a more general purpose system that...
    Resource Type:
    Masters Thesis
    Full Text:
    TDOA measurement. The receiver achieves propagation delay mismatch of less than 150 picoseconds. The

  • Highly-Integrated Low-Power RF Receivers for Distributed Sensing and IoT Devices

    Creator:
    Bialek, Hayden
    Abstract:
    Low-power receivers (RX) with 100$\mu W$-scale power consumption can enable several power/energy-constrained IoT applications. However, achieving sensitivity, interferer tolerance and wide operating range with low power presents a challenge for existing architectures, particularly those constrained to highly integrated solutions without high-Q off-chip components. Existing solutions rely heavily on high quality...
    Resource Type:
    Dissertation
    Full Text:
    Prof. Ravi Balasubramanian. I greatly appreciate the time that they took to provide both technical and

  • Wireless Charging System Using Inductive Coupling

    Creator:
    Waters, Allen T.
    Abstract:
    A wireless power transfer system using inductive coupling was designed and implemented as part of a three-member project team. The system uses coupled magnetic fields at a frequency of 606kHz to transfer electromagnetic energy from a charging base to the batteries of portable devices. It succeeded in transmitting power to...
    Resource Type:
    Honors College Thesis
    Full Text:
    . Technical details including schematics, code, and parts lists are appended. Key Words: wireless

  • Hardware design and protection issues in an AC/AC converter

    Creator:
    Faveluke, Alex
    Abstract:
    An AC/AC converter has been designed and implemented for the purpose of providing a modular drive system with a Brushless Doubly-Fed Machine (BDFM.) This converter is to be used in laboratory testing and also as part of a demonstration system in the field. All hardware needed to start and run...
    Resource Type:
    Masters Thesis
    Full Text:
    duplication of this converter by qualified technical personnel. While not tailored for mass production, this

  • Fuzzy logic control of an inverted pendulum with vision feedback

    Creator:
    Holzapfel, Frank G.
    Abstract:
    Recent technical progress has made new forms of controller implementations on computers possible. Especially the technique of Fuzzy Logic Control has found a growing number of applications. Also the development of fast A/D converters has made the acquisation of data with vision based systems possible. In this project we combine...
    Resource Type:
    Masters Thesis
    Full Text:
    Vision Feedback Abstract approved: io E. Magaria Recent technical progress has made new forms of

  • Investigation of ultra-thin In-Ga-Zn-O thin-film transistors

    Creator:
    Chiang, Tsung-Han
    Abstract:
    The objective of the work reported herein is to explore the impact of decreasing channel thickness on radio-frequency (RF) sputtered amorphous indium-gallium-zinc oxide (a-IGZO) thin-film transistors (TFTs) electrical performance through the evaluation of drain current versus gate voltage (I[subscript D] − V[subscript G]) transfer curves. For a fixed set of...
    Resource Type:
    Masters Thesis
    Full Text:
    reduc- ing the anneal temperature from 400 to 150 ◦C, a h ≈ 5 nm a-IGZO TFT is demon- strated with VON

  • A comprehensive integration of first year engineering education

    Creator:
    Shuman, Matthew W.
    Abstract:
    Retention of engineering students is a problem for many universities, especially during the first year. The problem of introducing students to engineering while increasing retention rates has recently been addressed by many different universities. Implementing novel lab structures, adjusting the lecture to incorporate more effective teaching techniques, and using orientation...
    Resource Type:
    Masters Thesis
    Full Text:
    technical experiences. Survey data collected throughout the program tracks changes in learning self

  • Pattern recognition of speech using hybrid computer feature extraction

    Creator:
    Herr, Alan Jack
    Abstract:
    Most technological problems associated with man-machine conversations have been solved and are well documented in both the contemporary technical and lay literature. The major remaining technological problem is the real time conversion of a human's vocal uterances into a "written" phoneme sequence representing the information content of speech. The work...
    Resource Type:
    Dissertation
    Full Text:
    con- versations have been solved and are well documented in both the contemporary technical and lay

  • DC/AC Stability of In-Ga-Zn-O Thin-Film Transistors

    Creator:
    Zhou, Fan
    Abstract:
    The electrical stability of amorphous indium-gallium-zinc oxide (a-IGZO) thinfilmtransistors (TFTs) is investigated for flat-panel display applications. Althoughproducts incorporating a-IGZO TFT backplanes are already commercially available,e.g., iMac with 5K retina display, technical challenges need to be addressed for nextgenerationapplications, e.g., active-matrix organic light-emitting diode displays.Device stability is one crucial issue. The...
    Resource Type:
    Dissertation
    Full Text:
    -IGZO TFT backplanes are already commercially available, e.g., iMac with 5K retina display, technical

  • Printed Nanocomposite Devices and Flexible Electronics for Humidity Sensing

    Creator:
    Ajithkumar, Amritha
    Abstract:
    The thesis focuses on the development of a novel printed resistive humidity sensor and integrated flexible electronics for an RFID-enabled humidity sensing platform. We explored a hybrid nanocomposite material for humidity sensing consisting of carbon nanomaterials, conductive polymer and cellulose polymer that undergoes resistance change in response to humidity change....
    Resource Type:
    Masters Thesis
    Full Text:
    study form the technical foundation of the future wearable sensing technology

  • Graphic User Interface with Autopilot Features for UAVs

    Creator:
    McMonigal, Tomas
    Abstract:
    The purpose of this project was to provide a tool for the Aerial Team of the Robotics Club with an application to control a UAV for automated missions - the Aerial Team's focus is automation of UAVs. This application lays out the foundations to allow future members of the Aerial...
    Resource Type:
    Honors College Thesis
    Full Text:
    -source. Please note that the words UAV and drone are used interchangeably throughout this document. Key

  • The Development of a User-Friendly Website for Management and Analysis of Cookstove Impact Data

    Creator:
    Bennett, Marley R.
    Abstract:
    The clean cookstove sector has long sought the tools and analysis methods needed to accurately quantify social, environmental, and economic impacts of projects in diverse settings. To respond to this need, Climate Solutions Consulting and Oregon State University have developed a novel integrated suite of sensors to collect fuel usage...
    Resource Type:
    Honors College Thesis
    Full Text:
    analysis. This thesis documents the need for this platform and the initial technical implementation with

  • Radiation tolerance of magnetic tunnel junctions with MgO barriers

    Creator:
    Ren, Fanghui
    Abstract:
    In the next decade, technology trends--smaller dimension, lower voltage, higher operating frequency--introduce new technical considerations and challenges for radiation effects in integrated circuits. Semiconductor based circuits and traditional dynamic random-access memories will malfunction when exposed to extreme environments, such as space and nuclear reactor. The mechanisms for radiation effect are...
    Resource Type:
    Masters Thesis
    Full Text:
    operating frequency—introduce new technical considerations and challenges for radiation effects in

  • Design of a 14-bit continuous-time Delta-Sigma A/D modulator with 2.5MHz signal bandwidth

    Creator:
    Li, Zhimin
    Abstract:
    In recent years, there has been growing interest in both industry and academia to use continuous-time (CT) Δ-Σ A/D converters for wideband wireless and wireline communication applications. So far no reported CT Δ-Σ A/D modulator achieves 14-bit or higher dynamic range (DR) with more than 2MHz signal bandwidth (equivalently 4MS/s)....
    Resource Type:
    Dissertation
    Full Text:
    applications. So far no reported CT Δ-Σ A/D modulator achieves 14-bit or higher dynamic range (DR) with

  • Digitally assisted control techniques for high performance switching DC-DC converters

    Creator:
    Khan, Qadeer Ahmad
    Abstract:
    Digitally controlled switching DC-DC converters have recently emerged as an attractive alternative to conventional switching converters based on analog control techniques. This research focuses on eliminating the issues associated with the state of the art switching converters by proposing three novel control techniques: (1) a digitally controlled Buck-Boost converter uses...
    Resource Type:
    Dissertation
    Full Text:
    digital. All the three techniques employ digitally assisted control techniques and require no external

  • Target-based coverage extension of 802.11 MANETs via constrained UAV mobility

    Creator:
    Johnson, Taylor N.
    Abstract:
    MANETs are known to be useful in situations where mobile nodes need to communicate and coordinate in dynamic environments with no access to fixed network infrastructure. However, connectivity problems can occur when sub-groups within a MANET move out of communication range from one another. The increasingly prolific use of UAVs...
    Resource Type:
    Masters Thesis
    Full Text:
    coordinate in dynamic environments with no access to fixed network infrastruc- ture. However, connectivity

  • A programmable BiCMOS transconductance-capacitor filter for high frequencies

    Creator:
    Beck, Jeffery S.
    Abstract:
    With advancements in CMOS technology, high speed analog circuits that were traditionally implemented with discrete circuit components can now be made monolithically. Antialiasing filters for video signals as well as signal conditioning filters in high speed communication channels are examples of applications where high frequency integrated circuits are now feasible....
    Resource Type:
    Masters Thesis
    Full Text:
    the filter. Since this transconductor has no internal nodes, it can achieve extremely high bandwidths

  • Development of oxide semiconductors : materials, devices, and integration

    Creator:
    Chiang, Hai Q.
    Abstract:
    The aim of this dissertation is to develop oxide semiconductors by radio-frequency sputtering for thin-film transistor (TFT) applications. A variety of oxide semiconductors are used as the TFT channel layer, including indium gallium oxide (IGO), zinc tin oxide (ZTO), and indium gallium zinc oxide (IGZO). The variety of materials used...
    Resource Type:
    Dissertation
    Full Text:
    semiconductor layer. IGZO-based TFTs with excellent stability are demonstrated, exhibiting almost no decrease

  • Evaluation of a pole placement controller for a planar manipulator

    Creator:
    Doustmohammadi, Ali
    Abstract:
    The effectiveness of linear control of a planar manipulator is presented for robot operation markedly exceeding the limits of linearity assumed in the design of the linear controller. Wolovich's frequency domain pole placement algorithm is utilized to derive the linear controller. The control scheme must include state estimation since only...
    Resource Type:
    Masters Thesis
    Full Text:
    significantly. Regardless of the change in behavior, for the cases considered, there was no instability

  • An ultra low voltage micropower GPS receiver RF front-end for wildlife tracking

    Creator:
    Heiberg, Adam C.
    Abstract:
    A fully integrated CMOS GPS receiver RF front end optimized for low power operation is presented. The system operates with a supply voltage down to 250 mV. A prototype has been fabricated in a 0.13μm CMOS process and includes a low voltage LNA, quadrature oscillators, and quadrature mixers. It exhibits...
    Resource Type:
    Masters Thesis
    Full Text:
    noise of -113.8 dBc/Hz at a 1 MHz offset while consuming a maximum of 580 µW of power and requiring no

  • Amorphous oxide semiconductors in circuit applications

    Creator:
    McFarlane, Brian Ross
    Abstract:
    The focus of this thesis is the investigation of thin-film transistors (TFTs) based on amorphous oxide semiconductors (AOSs) in two circuit applications. To date, circuits implemented with AOS-based TFTs have been primarily enhancement-enhancement inverters, ring oscillators based on these inverters operating at peak frequencies up to ~400 kHz, and two-transistor...
    Resource Type:
    Masters Thesis
    Full Text:
    integrated IZO-based TFTs fabricated to date are found to be conductive and exhibit no gate modulation

  • A method for controlling and stabilizing the pitch-axis dynamics of a magnetically levitated train

    Creator:
    Ramchandran, Ashok
    Abstract:
    An electro-dynamic Magnetic Levitation vehicular system has been modelled and studied. In practice, a MagLev vehicle will consist of a number of cars which are mechanically coupled to each other. It is reasonable to assume that each of these cars will be independently controlled with the help of a supervisory...
    Resource Type:
    Masters Thesis
    Full Text:
    , without having to stop the vehicle or endanger its occupants. This study is entirely conceptual and no

  • Network monitoring with focus on HTTP

    Creator:
    Schmid, Andreas
    Abstract:
    Since its introduction in the early 1990s, the quick growth of the World Wide Web (WWW) traffic raises the question of whether past Local Area Network (LAN) packet traces still reflect the current situation or whether they have become obsolete. For this thesis, several LAN packet traces were obtained by...
    Resource Type:
    Masters Thesis
    Full Text:
    - tion of the network packets contains little or no data at all, while another significant por- tion of

  • A probabilistic framework and algorithms for modeling and analyzing multi-instance data

    Creator:
    Behmardi, Behrouz
    Abstract:
    Multi-instance data, in which each object (e.g., a document) is a collection of instances (e.g., word), are widespread in machine learning, signal processing, computer vision, bioinformatic, music, and social sciences. Existing probabilistic models, e.g., latent Dirichlet allocation (LDA), probabilistic latent semantic indexing (pLSI), and discrete component analysis (DCA), have been...
    Resource Type:
    Dissertation
    Full Text:
    Bayesian models which contain no hyper-parameters often involves slowly converging sampling methods. In

  • Linearity enhancement techniques for data converters

    Creator:
    Cao, Jinzhou
    Abstract:
    Data converters are essential interface circuits between the analog world that people live in and the digital processors that people live with. Linearity, which often is a tradeoff against other performance criteria, is one of the major performance demands from applications for both analog-to-digital converts (ADC) and digital-to-analog converters (DAC)....
    Resource Type:
    Dissertation
    Full Text:
    requires no precision external components and inserts only a small digital block at the modulator

  • Atomic Layer Deposition of Multi-Insulator Metal-Insulator-Metal Capacitors

    Creator:
    Austin, Dustin Z.
    Abstract:
    Back end of line (BEOL) metal-insulator-metal capacitors (MIMCAPs) have become a core passive component in modern integrated circuits. International Technology Roadmap for Semiconductors (ITRS) projections for scaling of analog/mixed-signal MIMCAP applications require simultaneously increasing capacitance density while maintaining low leakage current density and low voltage nonlinearity (characterized by the quadratic...
    Resource Type:
    Dissertation
    Full Text:
    performance requirements, BEOL processing allows for temperatures of no more than 400°C. In

  • Decoding EEG Signals to Detect and Classify Hand Movement

    Creator:
    McGrath, Patrick
    Abstract:
    Electroencephalogram (EEG) signals have recently gained attention to classify associated hand movement. This is particularly useful for amputees with prostatic hands or people who are unable to move their hands voluntarily. Among the decoding algorithms used to classify hand movements are support vector machines and multilayer perceptron networks. In this...
    Resource Type:
    Honors College Thesis
    Full Text:
    into one of three groups: right-hand movement, left-hand movement, and no hand movement. We employ a

  • A micro data flow (MDF) : a data flow approach to self-timed VLSI system design for DSP

    Creator:
    Merani, Lalit T.
    Abstract:
    Synchronization is one of the important issues in digital system design. While other approaches have been intriguing, up until now a globally clocked timing discipline has been the dominant design philosophy. However, we have reached the point, with advances in technology, where other options should be given serious consideration. VLSI...
    Resource Type:
    Masters Thesis
    Full Text:
    is in high performance DSP systems. Since there is no global constraint of clock distribution

  • Energy-efficient OTA architectures using load-pole cancellation

    Creator:
    Ramakrishna, Pavan Kumar
    Abstract:
    The CMOS two-stage Operational Transconductance Amplifier (OTA) has been a key enabler for mixed-signal IC design for nearly four decades . This research focuses on a modified two-stage CMOS OTA that features load-pole cancellation (LPC); i.e., the resulting architecture is essentially a two-stage CMOS OTA with no load capacitance. The...
    Resource Type:
    Masters Thesis
    Full Text:
    OTA with no load capacitance. The load-pole cancellation is achieved by adding an addi- tional stage

  • Characterization and reduction of local oscillator phase noise effects in communications systems

    Creator:
    Godshalk, Edward M.
    Abstract:
    Recent developments in digital communications at microwave frequencies have revealed that local oscillator phase noise is often a factor in the bit error rate (BER) analysis. Digital signals transported across microwave radio links acquire waveform jitter from local oscillator phase noise. As jitter increases so does BER. The main goals...
    Resource Type:
    Dissertation
    Full Text:
    signal which for practical purposes has no inherent jitter. By performing the experiments at the

  • A resource-constrained scheduling scheme that considers resources operating at multiple voltages and register assignment

    Creator:
    Lee, Chee
    Abstract:
    Power and timing requirements are becoming more and more stringent as applications move from less mobile devices to more mobile ones. As such, it is important to optimize these applications as much as possible in order to provide the best solution that is low power and low latency. Although there...
    Resource Type:
    Masters Thesis
    Full Text:
    . However, these conventional resource-constrained scheduling schemes are no longer applicable since power

  • Pulsed ultra-wideband: transmission, detection, and performance

    Creator:
    Zhao, Shiwei
    Abstract:
    Ultra-wideband (UWB) communication has emerged as a very promising technology for short-range wireless applications, including high-speed multimedia transmissions and sensor networks. UWB system designs involve many different aspects covering analog and digital processing, channel estimation and modeling, and modulation and demodulation. Although UWB still faces many challenges, significant progress has...
    Resource Type:
    Dissertation
    Full Text:
    improving the overall detection performance. There is little loss in energy efficiency since no reference

  • Performance modeling and analysis of asynchronous pipelines for designers

    Creator:
    Chang, Chih-ming, 1964-
    Abstract:
    Better performance has been one of the main motivations behind the recent resurgence of interest in asynchronous circuits (no matter whether this is always true or not). We are particularly interested in the performance of pipelines since they are used extensively in current digital systems. There exists an algorithm that...
    Resource Type:
    Dissertation
    Full Text:
    asynchronous circuits (no matter whether this is always true or not). We are particularly interested in the

  • Secrecy of massive MIMO systems under antenna failure

    Creator:
    Assiri, Mohammad
    Abstract:
    As the fifth generation of mobile communication systems (5G) is being deployed, massive multiple-input multiple-output (MIMO) serves as one of its enabling technologies where reliable and ultra low latency communications are achieved while being power and spectrum efficient. This thesis studies the security aspect of massive MIMO system from the...
    Resource Type:
    Dissertation
    Full Text:
    -zero finite limit which eventually drives the achievable secrecy rate to be bounded. In contrast, no

  • A microarchitecture study of the counterflow pipeline principle

    Creator:
    Janik, Kenneth J.
    Abstract:
    The counterflow pipeline concept was originated by Sproull et. al.[1] to demonstrate the concept of asynchronous circuits. The basic premise is that a simple architecture with only local communication and control and a simple regular structure will result in increased performance. This thesis attempts to analyze the performance of the...
    Resource Type:
    Dissertation
    Full Text:
    aggressive speculation, no instruction stalling and ultimately intrinsic multi-threading. To support high

  • Design considerations for fast-settling operational amplifiers

    Creator:
    Yang, Howard C.
    Abstract:
    The design considerations for fast-settling operational amplifiers (opamps) differ significantly between sampled-data switchedcapacitor (SC) and conventional continuous-time applications. In SC circuits, the shape of the output voltage waveform of an opamp is of no consequence provided that the output settles to within a specified tolerance of its steady-state value prior...
    Resource Type:
    Dissertation
    Full Text:
    output voltage waveform of an opamp is of no consequence provided that the output settles to within a

  • Voltage sag and momentary interruption ride-through for adjustable speed drives

    Creator:
    van Zyl, Annabelle
    Abstract:
    The awareness of electric power quality has increased over the past decade as electronic equipment has become more susceptible to power disturbances. The most disruptive power disturbances are voltage sags and momentary interruptions and their effect on adjustable speed drives (ASDs) is studied in this thesis. Several solutions have been...
    Resource Type:
    Dissertation
    Full Text:
    controller is designed to enhance system performance. Initially, no communication between the ASD and the

  • End-to-end network throughput enhancement through physical-layer network coding

    Creator:
    Maeouf, Sofean Ahmed
    Abstract:
    Physical-Layer Network Coding (PNC) is a promising technique that has great potentials for improving the achievable data rates of end-to-end flows through higher packet transmission rates, thereby increasing the overall network throughput. In this thesis, we study the performance of the PNC transmission techniques for unidirectional end-to-end flows in multi-hop...
    Resource Type:
    Masters Thesis
    Full Text:
    , the chances of nodes being idle (no 23 Figure 5.5: Impact of Cw on throughput gain (N=70 , A = 150

  • Fabrication of Cost-effective Flexible Glucose Sensor for Continuous Glucose Monitoring

    Creator:
    Mullapudi, Sri Sai Kameswara
    Abstract:
    Diabetes is a pandemic that affects nearly 29.1 million Americans and the fourth leading cause of mortality in the US. Type 1 diabetes is a chronic condition which occurs due to little to no production of insulin by the pancreas. This form of diabetes requires constant monitoring of blood glucose...
    Resource Type:
    Masters Thesis
    Full Text:
    occurs due to little to no production of insulin by the pancreas. This form of diabetes requires

  • Automated synthesis of analog to digital conversion

    Creator:
    Weaver, Skyler
    Abstract:
    This thesis describes circuit architectures and techniques that facilitate the automatic synthesis and fabrication of analog-to-digital converters (ADCs). Since automated synthesis already exists for digital circuits and is part of the digital circuit design flow, this work demonstrates the feasibility of ADC synthesis with little or no modification to presently...
    Resource Type:
    Dissertation
    Full Text:
    feasibility of ADC synthesis with little or no modification to presently existing software tools. In the end

  • Fundamental studies of atomic diffusion by computer simulation of atomic processes on the giga event scale and multiple PC's in parallel

    Creator:
    Zhang, Qiongshan
    Abstract:
    The classic treatment of diffusion by Einstein and by Chandrasekhar assumed conservative boundary conditions; mobile species were neither created nor destroyed on the sample surface. It is normal to assume that vacancies and host interstitials are created and annihilated on incoherent interfaces or free surfaces; i.e., these are assumed to...
    Resource Type:
    Masters Thesis
    Full Text:
    gained or lost at an interface. It seems that no analytic solutions are available for diffusion with

  • Resource allocation methods for quality-of-service provisioning in heterogeneous wireless networks

    Creator:
    Chakchouk, Nessrine
    Abstract:
    The increased use of mobile wireless devices that we have recently been witnessing, such as smartphones, tablets, e-readers, and WiFi enabled devices in general, is driving an unprecedented increase in the amount of data traffic. This fast market adoption of the wireless technology along with the tremendous success of multimedia...
    Resource Type:
    Dissertation
    Full Text:
    capacity, connectivity, and Quality of Service (QoS) requirements that can no longer be met with

  • Methodology for evaluating mechanical power in small-scale WEC experiments

    Creator:
    Simmons, Asher
    Abstract:
    Wave energy converters (WECs) are a broad class of emerging technology that converts hydrokinetic energy into some other useful form, such as electricity. The last stage in this transformation, the power take-off (PTO) subsystem, is often not experimentally evaluated until half-way through the recommended development process. This delay in evaluation...
    Resource Type:
    Dissertation
    Full Text:
    power. This has led to a situation where there is no consistency across development efforts. The

  • Efficient key management protocols for mobile ad hoc networks

    Creator:
    Erdem, Özkan M.
    Abstract:
    In this thesis, novel solutions are proposed for key management issues in mobile ad hoc networks. Presented Hierarchical Binary Tree (HBT) based model is distributed, self-organizing, scalable and does not employ online key distribution authority or group manager. Two different group authentication and group key establishment protocols are proposed for...
    Resource Type:
    Dissertation
    Full Text:
    sensor network only with public key cryptography if there are no pre-distributed keys. However

  • Throughput optimization for single-hop wireless networks using network coding

    Creator:
    Tran, Tuan Tho
    Abstract:
    Recent advances in wireless technologies have helped the proliferation of wireless devices, ranging from hand-held devices such as cellular phones to more powerful mobile computing platforms as such laptops [1]. Along with that, the end users’ applications running on these devices, ranging from text message to multimedia applications such as...
    Resource Type:
    Dissertation
    Full Text:
    in the sense that no scheme can do better. In addition, a class of approximate algorithms based on

  • Comparison of DPCM and Subband Codec performance in the presence of burst errors

    Creator:
    Bhutani, Meeta
    Abstract:
    This thesis is a preliminary study of the relative performance of the major speech compression techniques, Differential Pulse Code Modulation (DPCM) and Subband Coding (SBC) in the presence of transmission distortion. The combined effect of the channel distortions and the channel codec including error correction is represented by bursts of...
    Resource Type:
    Masters Thesis
    Full Text:
    bandwidth B to the subband bandwidth. Note that no compression is achieved by these decimation operations

  • Development of a 300 Hp regenerative motor and generator test facility

    Creator:
    Lewis, Timothy M. (Timothy Michael)
    Abstract:
    A 300 hp motor and generator testing facility is being completed at Oregon State University. The testing center is the largest independent testing facility west of the Mississippi River. This regional resource center will incorporate state-of-the-art features that set it apart from other testing facilities. An induction machine with a...
    Resource Type:
    Masters Thesis
    Full Text:
    no-load to 125% rated load. A virtual instrumentation system provides tremendous flexibility and

  • Risk and Uncertainty Quantification Methods in Electrical Power Systems

    Creator:
    Johnson, Brandon S.
    Abstract:
    Load flow studies are one of the most essential engineering applications for grid operators because they provide a clear picture of the operating conditions of the power system. Traditionally, the load flow problem is assumed to be deterministic; that is, the system variables contain no randomness. Unfortunately, this assumption is...
    Resource Type:
    Dissertation
    Full Text:
    variables contain no randomness. Unfortunately, this assumption is just that, an assumption that helps us

  • Equivalent circuit modeling of on-chip magnetic devices based on terminal measurements

    Creator:
    Gaskill, Steven G.
    Abstract:
    The addition of thin-film alloy magnetic materials to integrated circuit processing enables a number of novel monolithic circuits. Examples include fully integrated magnetic field sensors, signal and power galvanic isolation circuits, and power supplies on chip (PwrSoC). There are several benefits to integrating these traditionally off-chip devices, including improved manufacturability,...
    Resource Type:
    Dissertation
    Full Text:
    vector network analyzer; no knowledge of the internal physics of the device (e.g. the magnetic

  • Electro-optic characterization of SrS-based alternating current thin-film electroluminescent devices

    Creator:
    Nevers, Corey A.
    Abstract:
    Two methods of electro-optically characterizing alternating-current thin-film electroluminescent (ACTFEL) devices are investigated: photo-induced transferred charge (PIQ) and luminescence (PIL), and subthreshold voltage-induced transferred charge (VIQ) techniques. Both techniques provide information related to traps within the phosphor layer. PIQ/PIL experiments monitor the transport of electrons and holes across the phosphor layer...
    Resource Type:
    Masters Thesis
    Full Text:
    reveal no hole transport in SrS doped with luminescent impurities, although hole transport is observed

  • Analysis and simulation of a variable speed induction motor

    Creator:
    Haskins, Raymond A.
    Abstract:
    A model of a squirrel cage induction machine, d.c.- link power supply and centrifugal pump is developed and used in the design and evaluation of a perturbation feedback control system for a sewage pumping station. A comparison of the simulation model of the induction machine and a laboratory machine to...
    Resource Type:
    Masters Thesis
    Full Text:
    and Mr. C. R. Faes of Jackson Rand Corporation. Substan- tial technical direction and active

  • A multi-bit hybrid DSM over full-scale range without feedback DEM

    Creator:
    Kwon, Sunwoo, 1974-
    Abstract:
    Evolution of the mobile communication standards and proliferation of hand-held devices mandate stringent Analog-to-Digital Converter (ADC) specifications. Among various ADCs, a ∆Σ ADC is best known as a power-efficient ADC when more than 12b is required. However, a conventional discrete-time (DT) ∆Σ Modulator (∆ΣM) is inadequate for low-power wideband applications...
    Resource Type:
    Dissertation
    Full Text:
    modulator unstable. In this thesis, a multi-bit 3rd-order hybrid ∆ΣM with over full-scale range and no DEM

  • Wirelessly Powered cm-Scale Sensor for Small Insect Localization Application

    Creator:
    Kang, Jian
    Abstract:
    The prevalence of Internet-of-Things (IoT) applications leads to an increasing focus on the design and optimization of sensor nodes. Battery lifetime and associated costs of battery replacement often limits the long term operation and viability of sensor nodes. RF wireless energy harvesting on the other hand can be appealing since...
    Resource Type:
    Dissertation
    Full Text:
    increase rectifier output voltage with no additional off-chip inductors or capacitors. The CC topology

  • Dual referencing guidelines to minimize power delivery noise coupling

    Creator:
    Mark, Shannon
    Abstract:
    Dual referencing has been garnering a lot of attention in the power integrity community, specifically in the voltage mode driver application because it shows a lower overall power delivery noise (PDN) compared to other signal referencing types. Additionally, the increasing push to drive down package and board manufacturing costs is...
    Resource Type:
    Masters Thesis
    Full Text:
    rails can no longer be neglected. This work provides a comprehensive study of PDN coupling onto

  • Analysis of the effectiveness of multithreading for interrupts on communication processors

    Creator:
    Pattery, Vinu J.
    Abstract:
    High bandwidth of networks demands high performance communication processors that integrate application processing, network processing, and system support functions into a single, low cost System-On-Chip (SOC) solution. However, conventional processors, when used in network related applications, are beset by the overhead of save/restore of register context, cache misses due to...
    Resource Type:
    Masters Thesis
    Full Text:
    improvement in performance of Network processors and little or no effect on Communication processors

  • Phase noise models for single-ended ring oscillators

    Creator:
    Godbole, Devavrata
    Abstract:
    The tremendous growth of wireless and mobile communications has resulted in placing of stringent requirements on the channel spacing and, by implication, on the phase noise of oscillators, typically mandating the use of passive LC oscillators with high quality factor (Q). However the trend towards large-scale integration and low cost...
    Resource Type:
    Masters Thesis
    Full Text:
    noise performance compared to LC oscillators. Currently there is no tool available for the designer to

  • Power System Planning for Sustainable, Reliable, and Accessible Electricity: Models, Methods, and Metrics

    Creator:
    Cicilio, Phylicia R.
    Abstract:
    Generation resources are shifting from centralized, high inertial, fossil fuel based to decentralized, no inertia, and variable renewable resources. The evolution of generation resources in electrical grids requires the transformation of the electrical grid infrastructure, and operation and planning procedures and standards. This dissertation takes four investigations into how to...
    Resource Type:
    Dissertation
    Full Text:
    centralized, high inertial, fossil fuel based to de- centralized, no inertia, and variable renewable

  • Efficient power conversion interface circuits for energy harvesting applications

    Creator:
    Le, Triet T.
    Abstract:
    Harvesting energy from the environment for powering micro-power devices have been increasing in popularity. These types of devices can be used in embedded applications or in sensor networks where battery replacement is impractical. In this dissertation, different methods of energy harvesting from the environment are explored as alternative sources of...
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    Dissertation
    Full Text:
    peak output power and requires no quiescent current to operate. RF-powered devices are typically

  • Advances in low-level software protection

    Creator:
    Van Dyke, Colin William
    Abstract:
    Preventative methods for software reverse engineering have been given greater attention in recent times due to the increase in computational resources and tools available to the public. The inherent security provided by encoding source into machine code (executable form) can no longer be assumed, given the availability of effective automated...
    Resource Type:
    Dissertation
    Full Text:
    into machine code (executable form) can no longer be assumed, given the availability of effective

  • Position estimation in indoor localization system

    Creator:
    Qiao, Tianzhu
    Abstract:
    Indoor positioning systems can be used for many applications such as indoor navigation,emergence response, asset monitoring, and shopper assistance. Due to the weak received signal and multipath reflection, the global positioning system (GPS) generally does not work in indoor environments. There are a variety of radio frequency (RF) signals and...
    Resource Type:
    Dissertation
    Full Text:
    - ments suffer from severe NLOS errors, no methods could work well without additional information

  • PRONTO : a product term reduction approach

    Creator:
    Martinez-Carballido, Jorge Francisco
    Abstract:
    Regular structures such as PLA's are very important to reduce VLSI design time. Interest in CAD tools such as a practical reducing PLA generator is high. This dissertation presents PRONTO as a practical, near-optimal product term reduction method, whose general heuristic approach consists of the following four steps. First, select...
    Resource Type:
    Dissertation
    Full Text:
    solution. These four steps are repeated until no product terms are left unco ered. Results of eight

  • A study of the effect of the rotor coil couplings of a synchronous machine on its predicted transient response

    Creator:
    Nehrir, Mohammad Hashem
    Abstract:
    The effect of the mutual inductances between the rotor coils of a synchronous machine on its defined reactances and predicted transients are investigated. Two linearized models of the machine are considered. One uses the Laplace-Transform approach, with minimum number of assumptions on the inter-coil couplings, in developing a model for...
    Resource Type:
    Dissertation
    Full Text:
    eigenvalues G The rotor coil mutual couplings also hold no effect on the contribution of the eigenvalqes to

  • Single-level dynamic register caching architecture for high-performance superscalar processors

    Creator:
    Liebert, John A.
    Abstract:
    The amount of instruction level parallelism (ILP) that can be exploited depends greatly on the size of the instruction window and the number of in-flight instructions the processor can support. However, this requires a register file with a large set of physical registers for renaming and multiple ports to provide...
    Resource Type:
    Masters Thesis
    Full Text:
    technique of dynamically steering instructions requires slightly more logic to implement, but incurs no

  • Power System Resilience Following a Cascadia Subduction Zone Earthquake

    Creator:
    Weinmann, Riley
    Abstract:
    Just off the coast of the Pacific Northwest lies the Cascadia Subduction Zone (CSZ); odds of a very large CSZ earthquake occurring in the next 50 years is estimated to be about 37%. A CSZ seismic event has the potential to cause wide scale damage not just to the power...
    Resource Type:
    Masters Thesis
    Full Text:
    , islanding, and the combination of both are compared to a base case with no RAS. 54 4.4 Example resilience

  • Hybrid AOA and TDOA Solution for Transmitter Positioning

    Creator:
    Ahmed, Sarah A.
    Abstract:
    Accurate positioning has become an active research area in recent years. It has a wide range of applications in many fields such as navigation, asset tracking, health care, proximity marketing/location-based advertising, and sport analytics. Transmitter positioning via radio frequency (RF) signals is the most widely encountered scenario, and it uses...
    Resource Type:
    Masters Thesis
    Full Text:
    (ML) estimator is developed to obtain the AOA of each receiving antenna assuming there is no

  • Characterization of alternating-current thin-film SrS:Ce electroluminescent devices

    Creator:
    Thuemler, Robert L.
    Resource Type:
    Masters Thesis
    Full Text:
    device with no dynamic space charge. 4 -2 0 50 100 Voltage (V) 150 200 19 Figure 3.5 A typical Q-V

  • Design and modeling of low-power register file memories

    Creator:
    Donkoh, Eric Kwesi
    Abstract:
    With the evolving popularity of new computing platforms such as Ultrabooks, Tablets, and Smart Phones, and the shift to multi-core computing, power is now the key performance limiter, a departure from the traditional frequency limitation. As such, increasingly low-power design solutions feature prominently in early architectural and design space exploration...
    Resource Type:
    Dissertation
    Full Text:
    no area overhead compared to existing stacking approaches. An essential component of low-power

  • Information processing errors in linear feedback control systems

    Creator:
    Chong, Hoi-yeung
    Abstract:
    This report is concerned with the analysis of the effect of finite wordlength, channel capacity and source rate in digital feedback control of linear systems. The cases considered are (1) finite wordlength A/D conversion, no feedback delay, ideal ROM (read only memory) controller; (2) finite A/D wordlength (source rate), state...
    Resource Type:
    Dissertation
    Full Text:
    conversion, no feedback delay, ideal ROM (read only memory) controller; (2) finite A/D wordlength (source

  • Architectural Solutions for Analog Imperfections in ΔΣ Analog-to-Digital Based Systems

    Creator:
    Zali Asl, Samira
    Abstract:
    For today’s ubiquitous portable devices, innovative integrated circuits with high performance yet very low power are necessary. As these devices are used to communicate and sense real world signals in the environment, analog-to-digital converters (ADC) and systems are the key interface circuits needed to digitize the sensed information and they...
    Resource Type:
    Dissertation
    Full Text:
    result, with no additional circuitry or power consumption, the new DEM technique prevents any increase

  • Recombination and generation lifetime characterization of p/p⁺ epitaxial silicon wafers

    Creator:
    Aminzadeh, Mehran G.
    Abstract:
    The refresh times of all dynamic charge storage devices, best characterized by the generation lifetime at roan temperature and the recombination lifetime at higher device operating temperatures (T>70°C), strongly influence the efficient and successful operation of dynamic charge storage devices such as DRAM's and CCD's. Both recombination and generation lifetime...
    Resource Type:
    Dissertation
    Full Text:
    DLTSIreamirements where no significant trap levels with concentrations higher than 3x1011 cm 3 are observed

  • Advanced microarchitecture and circuit design techniques for on-chip memories in CMOS technology

    Creator:
    Hsu, Steven K.
    Abstract:
    In modern on-chip memories, an increasing demand for higher performance, lower power, reduced area, and improved robustness creates a rising need for advanced microarchitecture and circuit design techniques. Particularly in large-signal multi-ported register files, these advanced design techniques include: (i) multi-banked arrays, (ii) multi-frequency arrays, (iii) multi-bit width gating, (iv)...
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    Dissertation
    Full Text:
    like to acknowledge the contributions of my advisor Dr. Shih-Lien Lu, for his technical guidance and

  • Static space charge in evaporated ZnS:Mn alternating-current thin-film electroluminescent devices

    Creator:
    Hitt, John C.
    Resource Type:
    Masters Thesis
    Full Text:
    more mathematically satisfying explanation. For the pre-turn-on region, note that there is no change

  • Sustainable power management of microelectronics

    Creator:
    Muhtaroglu, Ali
    Abstract:
    The integration of renewable energy sources and the associated power electronics to notebook power and thermal management systems was investigated in this work. Both thermoelectric (TE) and photovoltaic (PV) energy extraction techniques were explored with the goal of achieving best sustainability. Semi-realistic usage assumptions were taken into account to evaluate...
    Resource Type:
    Dissertation
    Full Text:
    the system battery. The circuit contained no magnetic components to be suitable for large scale

  • Manufacture and characterization of novel ACTFEL materials and devices

    Creator:
    Bender, Jeffrey P.
    Abstract:
    The aim of this dissertation is to develop non-traditional approaches to alternating-current thin-film electroluminescent (ACTFEL) device fabrication. ACTFEL technology suffers from a lack of adequately bright and efficient primary-color phosphors and cannot presently compete in the low-cost display market. Therefore the research presented in this dissertation focuses on an exploration...
    Resource Type:
    Dissertation
    Full Text:
    for the Tasker-Chiang rf sputtering system and provided significant technical assistance during

  • An n-sheet, state-space ACTFEL device model

    Creator:
    Hitt, John C.
    Abstract:
    The objective of the research presented in this thesis is to develop, implement, and demonstrate the utility of an n-sheet, state-space alternating-current thin-film electroluminescent (ACTFEL) device model. In this model, the phosphor layer is discretized into n + 1 layers, with band-to-band impact ionization, space charge creation/ annihilation, and luminescent...
    Resource Type:
    Dissertation
    Full Text:
    has been instrumental in providing technical assistance and in-depth physical explanations for

  • Power Efficient Architectures for Low Noise Switched-Capacitor Filters and High Accuracy Analog-to-Digital Converters

    Creator:
    Payandehnia, Pedram
    Abstract:
    Filters and data converters are key analog-and-mixed-signal (AMS) building blocks in communication systems, such as software-defined radios and internet-of-things. In this dissertation, novel switched-capacitor filter and analog-to-digital converter (ADC) circuit configurations have been explored which are power efficient and are digital scaling friendly. First, a novel switched-capacitor low-pass filter architecture...
    Resource Type:
    Dissertation
    Full Text:
    shaping. Therefore, the thermal noise specifications of the comparator can be relaxed. Also, since no

  • Protocol design and optimization for wireless networks

    Creator:
    Lertsutthiwong, Monchai
    Abstract:
    We investigate a number of techniques for increasing throughput and quality of media applications over wireless networks. A typical media communication application such as video streaming imposes strict requirements on the delay and throughout of its packets, which unfortunately, cannot be guaranteed by the underlying wireless network due inherently to...
    Resource Type:
    Dissertation
    Full Text:
    people talking at the same time in a room, resulting in noise that no one can make out the message of

  • Atomic Layer Processing for Next-Generation Microelectronic Materials

    Creator:
    Holden, Konner E. K.
    Abstract:
    Atomic layer deposition (ALD) is an enabling technique for many new micro- and nanoscale technologies. The self-limiting surface chemical reactions by which ALD fundamentally operates give rise to uniquely high precision (atomic) control over deposited film thickness, uniformity over large areas, and conformality over complex and extreme topographies. One such...
    Resource Type:
    Dissertation
    Full Text:
    important things – both professional and technical – through these projects, courses, and our interactions

  • Analysis and design on low-power short-range radios for wireless body area networks

    Creator:
    Cheng, Jiao
    Abstract:
    The release of the IEEE802.15.6 standard has led to increased interest in low-power technologies for wireless body-area-networks (WBANs). The power dissipation, supply voltage, and die area are some of the most important criteria for successful WBAN implementations. Digital-intensive RX architectures can potentially result in sub-1V operation with significant reductions in...
    Resource Type:
    Dissertation
    Full Text:
    foreseeing vision and broad knowledge in the field of integrated circuits are the crucial technical

  • Reactive power optimization using adaptive excitation control of synchronous power

    Creator:
    Al Hamrani, Majed M.
    Abstract:
    Synchronous machines provide a practical way to control reactive power consumption of a plant. One of the main advantages of using synchronous motors in a plant is their ability to generate reactive power for plant loads. A new control scheme for synchronous motor excitation systems is developed to automate reactive...
    Resource Type:
    Masters Thesis
    Full Text:
    software. The EDSA Micro Corporation, for their donation of the EDSA Technical 2000 power system analysis

  • Evaluation of partial discharge in inverter driven medium voltage propulsion coils

    Creator:
    Ramme, André
    Abstract:
    Advancements in power electronics to higher power levels and faster switching times allow new machine and systems designs, but also create higher stresses on electric machinery insulation. High performance, pulse-width modulated (PWM) inverters are now available for medium voltage drive systems, and are being considered by the U.S. Navy as...
    Resource Type:
    Dissertation
    Full Text:
    Simulation .148 Appendix H Test Protocol .150 Appendix I Test Data Sets 154 LIST OF APPENDIX FIGURES

  • A practical implementation of self-efficacy theory to improve the engineering curriculum

    Creator:
    Plisch, Marjorie
    Abstract:
    What are the most effective ways to improve the engineering curriculum? Improvements should result in increased student retention, undergraduates who are more industry-ready and graduates who are better prepared to be leaders. Current research suggests that the best predictor of persistence is a person’s self-efficacy. The focus of this thesis...
    Resource Type:
    Masters Thesis
    Full Text:
    surely would not have finished! I thank Anju Prakash for her tireless precision in technical writing

  • Development of an Integrated Generator Power Take-of Strategy using Model Predictive Control (MPC) for Ocean Wave Energy Conversion

    Creator:
    Sundaram, Srinivasan Subhash
    Abstract:
    Model Predictive Control (MPC) has previously been investigated on ocean waveenergy converters (WEC) to improve the amount of power captured, while respectingthe system constraints. Previous research done in the same area, focused onbuilding a control scheme by using the knowledge of the past & current statesof the system and predicting...
    Resource Type:
    Masters Thesis
    Full Text:
    take-off is that there is no set industry standard device for wave energy [13]. This leaves room for

  • Compressive Sensing for Low Power Sensor Design

    Creator:
    Behravan, Vahid
    Abstract:
    Recent sensor System-on-Chips (SoC) have enabled significant advances in energy-efficiency by incorporating various micro-powered building blocks. Unfortunately, most of these sensor systems do not address the high power cost associated with data storage and transmission, which in some cases vastly exceeds the power consumed by the rest of the SoC....
    Resource Type:
    Dissertation
    Full Text:
    Arezou, who was my constant support even when there was no one else to turn to

  • Design of Energy-Efficient Equalization and Data Encoding/Decoding Techniques for Wireline Communication Systems

    Creator:
    Chun, Yu Sang
    Abstract:
    Ever increasing global internet data traffic has driven up the demand for cutting-edge high-speed wireline communication systems including SerDes PHY for various interfaces, interconnects, data centers servers and switches in optical systems. Operating wireline communications at higher data rates leads to signals suffering from greater channel loss and exponential increase...
    Resource Type:
    Dissertation
    Full Text:
    wireline channels. The key observation is that Dicode-encoded data have no consecutive 1s or -1s. With

  • Alternating-current thin-film electroluminescent device physics and modeling

    Creator:
    Douglas, Allan A.
    Abstract:
    Alternating-current thin-film electroluminescent (ACTFEL) devices are used in the formation of pixels in flat panel displays. ACTFEL flat panel displays have many advantages over other flat panel technologies. Specifically, ACTFEL panels are emissive displays, they have high brightness, wide viewing angles, and rugged construction. Although much is already known about...
    Resource Type:
    Masters Thesis
    Full Text:
    typical C-V curve. 12 Furthermore, note that these calculations assume that there is no spatial

  • Operation of the motor systems resource facility

    Creator:
    Rollman, Thomas E.
    Abstract:
    A state of the art motor testing facility has been built at Oregon State University. This is the largest independent testing laboratory of its type in the western United States. The construction was funded by a consortium of industrial sponsors, with a goal of becoming financially self-sufficient by charging the...
    Resource Type:
    Masters Thesis
    Full Text:
    OF CONTENTS 1. INTRODUCTION 2. OPERATION OF THE TEST CENTER Page 1 3 2.1 Technical Description 3

  • A case for application-based linear transformers : applied towards text-to-spectrogram

    Creator:
    Agostinelli, Victor
    Abstract:
    Various natural language processing (NLP) tasks necessitate deep models that are fast, efficient, and small based on their ultimate application at the edge or elsewhere. While significant investigation has furthered the efficiency and reduced the size of these models, reducing their downstream latency without significant trade-offs remains a difficult task....
    Resource Type:
    Masters Thesis
    Full Text:
    length is set to 150 tokens. Naive linearization tech- niques make no attempt at reusing the KTV

  • Development of a Hybrid Simulation for an Ocean Wave Energy Converter

    Creator:
    Harris, Jesse
    Abstract:
    Ocean Wave Energy Converters (WECs) are of interest around the globe as global economies begin to shift their interest to renewable forms of energy. However, the devices are costly to construct–a quality that can be relieved through proper modeling, control, and implementation. This paper presents the numerical and hybrid simulation...
    Resource Type:
    Masters Thesis
    Full Text:
    . Note the plateau that each value sits on. (image from [8

  • Development of zinc tin oxide-based transparent thin-film transistors

    Creator:
    Chiang, Hai Q.
    Abstract:
    The focus of this thesis involves development of highly transparent, n-channel, accumulation- mode thin-film transistors employing a zinc tin oxide (ZTO) channel layer. ZTO-based transparent thin-film transistors (TTFTs) show improved device performance compared to ZnO-based TTFTs. An estimated peak effective mobility for these devices as high as ~100 cm² V⁻¹sec⁻¹...
    Resource Type:
    Masters Thesis
    Full Text:
    addition, the outstanding technical staff at OSU have made considerable contri- butions. If it were not

  • High resolution electroluminescent display using active matrix approach

    Creator:
    Khormaei, Iranpour
    Resource Type:
    Dissertation
    Full Text:
    Electroluminescent Display Using Active Matrix Approach Chapter I. INTRODUCTION Recent technical advances require

  • Design techniques for low-power electrical and optical serial link receivers

    Creator:
    Bai, Rui
    Abstract:
    As computation power continues to grow, the demand for data transfer bandwidth is also rising. This is reflected in the increasing data-rate of high-speed links. However, the increase in data-rate is sustainable only if the I/O energy efficiency improves as well. This dissertation explores several techniques to enable high-speed links...
    Resource Type:
    Dissertation
    Full Text:
    ] It can be observed that data rate roughly doubles every four years. Note that the data is for per

  • Low-voltage data converters

    Creator:
    Meng, Qingdong
    Abstract:
    With the growing demand for portable/consumer electronics, such as digital audio/video (AV), the downscaling of device dimensions, which enables the integration of an increasing number of transistors in a single chip, is mandatory. This trend also continuously pushes the power supply voltage down to reduce the power consumption and improve...
    Resource Type:
    Dissertation
    Full Text:
    circuit design and signal processing, invaluable teaching and research skills, and support in technical

  • Electrical recommendations and formulas for metal fill in radio-frequency integrated circuits

    Creator:
    Gaskill, Steven
    Abstract:
    With increasing transistor operating frequencies, interconnects and passive devices are becoming performance limiters in integrated circuit (IC) designs. To combat this, the interconnect layers above the active silicon are trending toward low-κ dielectrics and Cu metallization. The use of these new materials has popularized chemical mechanical polishing (CMP) to planarize...
    Resource Type:
    Masters Thesis
    Full Text:
    , compared to no fills the addition of our metal fill shield increases loading by 58% while providing 58 dB

  • ACTFEL phosphor deposition by RF sputtering

    Creator:
    Ang, Wie Ming
    Resource Type:
    Masters Thesis
    Full Text:
    to Jim Krebs, Chuck Meitt le, Art Nee ley, and Leon Ungier for their technical assistance without

  • An approach for selecting a language for computer hardware description and simulation

    Creator:
    Milden, Mark R.
    Abstract:
    This paper corrects an apparent deficiency in the published information concerning Hardware Description Languages (HDLs) by introducing and discussing an approach for selecting an HDL for use in a design project. Although three classes of HDLs are discussed in this paper, High-Level Languages (HLLs), General Purpose Simulation Languages (GPSLs) and...
    Resource Type:
    Masters Thesis
    Full Text:
    . Selecting a Class of HDL 4.3. Selection of an Individual HDL: Technical Considerations 4.4. Selection of

  • Simulation of a high voltage direct current transmission system in an electromagnetic transients program using semiconductor terminals

    Creator:
    NwaChukwu, David O.
    Abstract:
    In high voltage direct current(HVDC) systems transmission technology, a.c. power is converted(rectified) to d.c. power by means of a controlled rectifier bridge. This d.c. power is then transmitted through a d.c. link to another converter(inverter) where it is converted back to a.c. power by means of another controlled rectifier bridge....
    Resource Type:
    Masters Thesis
    Full Text:
    ONE: INTRODUCTION 1 1.0 A Historical Note 1 1.1 The Power Thyristor 3 1.2 The HVDC System 4 1.3