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  • Two-integrator detector for known-signal-in-noise identification

    Creator:
    Albright, Robert James
    Abstract:
    This thesis discusses the design and evaluation of an instrument that can detect known signals in noise. This detector uses two integrators to sense a difference in the received signal between half-cycles of the known signal. The detector is useful for sensing signals in the approximate frequency range of 100...
    Resource Type:
    Masters Thesis
    Full Text:
    rrns noise rnagnitude. The detector circuit is srnall and is econornical to build. The instrurnent is

  • Noise measurements, models and analysis in GaAs MESFETs circuit design

    Creator:
    Yan, Kai-tuan Kelvin
    Resource Type:
    Dissertation
    Full Text:
    . Title: Noise Measurements, Models and Analysis in GaAs MESFETs Circuit Design. Abstract approved: L

  • A substrate noise coupling model for lightly doped CMOS processes

    Creator:
    Sadate, Aline C.
    Abstract:
    This thesis presents a design-oriented model for lightly doped CMOS substrates. The model predicts the substrate noise coupling between noisy digital and sensitive analog blocks in the early stages of the design. The model scales with the size and separation of these blocks and it is validated with device simulations...
    Resource Type:
    Masters Thesis
    Full Text:
    used to predict noise coupling between an inverter and an amplifier, with both circuit simulations and

  • Electrical characterization and circuit modeling of interconnections and packages for high speed circuits by time domain measurements

    Creator:
    Jong, Jyh-ming
    Abstract:
    With edge rates of high speed digital devices pushing into the sub-nano second range, interconnections with the associated packages play a major role in determining the speed, size and performance of digital circuits and systems. The purpose of this study is to develop experimental techniques based on time domain peeling...
    Resource Type:
    Dissertation

  • Resonant forward-biased guard rings for suppression of substrate noise in mixed-mode CMOS circuits

    Creator:
    Ficq, Bernard L.
    Abstract:
    Previous work at Stanford University has demonstrated that inductance in the substrate connection is the principal problem underlying the coupling of digital switching noise into analog circuits. The low impedance substrate can be treated as a single node over a local area. Switching in the digital circuits produces current transients...
    Resource Type:
    Masters Thesis
    Full Text:
    techniques, including the use of new logic circuit families, have been proposed to suppress this noise. This

  • 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:
    approximations that degrade accuracy. Circuit simulators with RF capabilities can account for all noise

  • A test fixture and deembedding procedure for high-frequency substrate characterization

    Creator:
    Webb, Kyle M.
    Abstract:
    At frequencies exceeding 1-2 GHz, the substrate network models used in substrate coupling simulation must account for the reactive nature of the substrate. Unlike at low frequencies, where the purely resistive substrate models can be validated through DC resistance measurements, these high-frequency models, comprising reactive components, must be validated through...
    Resource Type:
    Masters Thesis
    Full Text:
    market for portable electronic devices, such as cell phones, PDAs, and digital music players, comes a

  • Medium frequency solid-state correlator

    Creator:
    Hill, Douglas Glenn
    Abstract:
    Periodic signals hidden in noise may be detected by using correlation techniques This thesis presents a study of how correlation is approximated statistically, and carried out electronically. The ability to detect periodic signals in noise, using correlation, is justified mathematically in the first portion of the thesis. The discussion is...
    Resource Type:
    Masters Thesis
    Full Text:
    in noise, by autocorrelation. The circuit design used to approximate the autocorrelation function

  • Linear metal-oxide-semiconductor integrated circuits

    Creator:
    Chalfan, John Lawrence
    Abstract:
    This paper is a study of various linear Metal-Oxide- Semiconductor integrated circuit configurations with the goal of improving their operation. The operation of MOS devices is covered including their use as load devices to replace diffused resistors. The advantages and disadvantages of the resulting circuits as well as possible physical...
    Resource Type:
    Masters Thesis
    Full Text:
    paper is a study of various linear Metal-Oxide- Semiconductor integrated circuit configurations with

  • Radiation losses in microstrip circuits

    Creator:
    Lo, Sui-Sang
    Abstract:
    The purpose of this study is to investigate radiation losses in microstrip circuits. Expressions are derived to evaluate the radiation resistances (or conductances) for single terminated, open and short-circuited lines. The quality factor Q of open and short-circuited stubs is evaluated. An analytical procedure is formulated to evaluate the radiation...
    Resource Type:
    Masters Thesis
    Full Text:
    coordinate system 8 2a Equivalent circuit for a line termin- ated in its radiation conductance at resonance