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  • Optimizing performance/watt of embedded SIMD multiprocessors through a priori application guided power scheduling

    Creator:
    Albright, Ryan K.
    Abstract:
    A method for improving performance/watt of an embedded single-instruction multiple-data (SIMD) architecture using application-guided a priori scheduling of hardware resources is presented. A multi-core architectural simulator is adopted that accurately estimates power, performance, and utilization of various processor components (logic, interconnect and memory). A greedy search is then performed on...
    Resource Type:
    Masters Thesis
    Full Text:
    my advisor Dr. Patrick Chiang. I would also like to thank my committee: Dr. Terri Fiez, Roger

  • Substrate noise coupling in ring oscillator-based phase locked loops

    Creator:
    Shreeve, Robert
    Abstract:
    In this thesis, the performance degradation of a phase-locked loop due to substrate noise is examined. A new analytical equivalent circuit model for substrate noise coupling is derived for a heavily doped silicon substrate. The model has been validated with measured data from a 0.35 μm CMOS process. Since the...
    Resource Type:
    Masters Thesis
    Full Text:
    Dr. Terri Fiez whose suggestions and advice provided direction and stimulated novel ideas throughout

  • Contact resistance and stability assessment of oxide-based thin film transistors

    Creator:
    Hung, Celia M.
    Abstract:
    This thesis focuses on two aspects of oxide-based thin-film transistors (TFTs), contact resistance and instability assessment. First, determination of the contact resistance of indium tin oxide (ITO) on two wide-band gap semiconductors, zinc oxide (ZnO) and indium gallium oxide (IGO), is attempted and the effects of contact resistance on device...
    Resource Type:
    Masters Thesis

  • Low-power successive approximation analog to digital converter with digital calibration

    Creator:
    Li, Wei
    Abstract:
    IC designers are continuously facing the challenges from reduced CMOS feature sizes and supply voltages. ADCs that deliver satisfactory resolutions/speeds while utilizing the state-of-the-art technologies to save power are in high demand. The analog circuits are more and more assisted by various digital calibration techniques to get boosted performances. This...
    Resource Type:
    Dissertation
    Full Text:
    Terri Fiez, Professor Thinh Nguyen, Professor Alan Wang, Professor Yevgeniy Kovchegov, Professor Pavan

  • An ultra low power frequency reference for timekeeping applications

    Creator:
    Oporta, Hector Ivan
    Abstract:
    An ultra low power crystal oscillator that provides a frequency reference for battery powered timekeeping applications is presented. An amplitude control circuit is employed to ensure that minimum current is consumed. A subthreshold voltage regulator provides a supply voltage for the oscillator with minimum current consumption. The oscillator and regulator...
    Resource Type:
    Masters Thesis
    Full Text:
    Ultra Low Power Frequency Reference For Timekeeping Applications Abstract approved: Terri S. Fiez

  • Steady-state analysis techniques for coupled device and circuit simulation

    Creator:
    Hu, Yutao
    Abstract:
    The focus of this work is on the steady-state analysis of RE circuits using a coupled device and circuit simulator. Efficient coupling algorithms for both the time-domain shooting method and the frequency-domain harmonic balance method have been developed. A modified Newton shooting method considerably improves the efficiency and reliability of...
    Resource Type:
    Dissertation
    Full Text:
    . I would like to thank Dr. Solomon C. S. Yim, Dr. Tern Fiez, Dr. Un-Ku Moon, and Dr. Raghu Settaluri