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  • Correlated level shifting as a power-saving method to reduce the effects of finite DC gain and signal swing in opamps

    Creator:
    Gregoire, B. Robert
    Abstract:
    This thesis presents methods to reduce the effects of finite opamp DC gain, output voltage swing limitations in opamps, and component mismatches. The primary contribution of this thesis is a new switched-capacitor method named correlated level shifting (CLS). CLS enables true rail-to-rail operation by storing an estimate of the desired...
    Resource Type:
    Dissertation
    Full Text:
    with. Drs. Kartikeya Mayaram, Gabor Temes, and Pavan Kumar Hanumolu are the most knowledgeable and

  • Automated analysis, design, and optimization of low noise oscillators

    Creator:
    Vytyaz, Igor
    Abstract:
    Low noise oscillators are universally needed in digital systems for clock generation and synchronization, and in radio-frequency communication front-ends for frequency up- and down-conversion. Noise in oscillators results in timing jitter, and limits the clock frequency of digital systems. In radio-frequency communication systems, phase noise in oscillators lowers the signal-to-noise...
    Resource Type:
    Dissertation
    Full Text:
    . I am grateful to Pavan Kumar Hanumolu for inspiring conversations about my research. My parents

  • High efficiency delta-sigma modulation data converters

    Creator:
    Lee, Kyehyung
    Abstract:
    Enabled by continued device scaling in CMOS technology, more and more functions that were previously realized in separate chips are getting integrated on a single chip nowadays. Integration on silicon has opened the door to new portable wireless applications, and initiated a widespread use of these devices in our common...
    Resource Type:
    Dissertation
    Full Text:
    , Professor Pavan Kumar Hanumolu, Professor Albrecht Jander, and Professor David McIntyre for their

  • A wideband low-power continuous-time delta-sigma modulator for next generation wireless applications

    Creator:
    Chen, Xuefeng
    Abstract:
    Delta-Sigma (ΔΣ) analog-to-digital converters (ADCs) are widely used in wireless transceivers. Recently, continuous-time (CT) ΔΣ ADCs gain growing interest in wireless applications for their lower power consumption and wider input bandwidth as compared with the discrete-time (DT) counterparts. In this thesis, a wideband low-power CT ΔΣ modulator for next generation...
    Resource Type:
    Dissertation
    Full Text:
    presentations. I would like to thank Prof. Un-Ku Moon, Prof. Huaping Liu, Prof. Zhongfeng Wang, Prof. Pavan

  • Digital phase-locked loops for multi-GHz clock generation

    Creator:
    Kratyuk, Volodymyr
    Abstract:
    A digital implementation of a PLL has several advantages compared to its analog counterpart. These include easy scalability with process shrink, elimination of the noise susceptible analog control for a voltage controlled oscillator (VCO) and the inherent noise immunity of digital circuits. Several recent digital PLL (DPLL) implementations have achieved...
    Resource Type:
    Dissertation
    Full Text:
    advising and great help in my research. Special thanks are due to Pavan Kumar Hanumolu for helping me on

  • Development of leadership and design skills among ECE juniors and graduate students

    Creator:
    Luo, Ding
    Abstract:
    Engineering students spend a significant amount of their undergraduate careers focused on technical theory and practice. This intensive student prepares them for their technical challenges in the future. This training is so intense that often the more 'soft skills' such as communication, leadership, design, and troubleshooting are left out or...
    Resource Type:
    Masters Thesis
    Full Text:
    . I thank all my role models: Roger Traylor, Pallavi Dhagat, Pavan Hanumolu, Donald Heer, Stephen