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 108 for “"parasitics"”.
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Computation of parasitics in multilayer hybrid microelectronics
Layout parasitics result from electromagnetic interaction between circuit metalizations used to connect devices on the hybrid circuit. Three linked programs have been written to calculate the capacitance and inductance between circuit metalizations. (1) XT Editor A user friendly hybrid circuit …
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Extraction of MOS VLSI Circuit Models Including Critical Interconnect Parasitics
… introducing the signal delay due to interconnect parasitics. Modeling interconnect parasitics directly from a circuit layout is therefore emphasized.
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Layout Extraction Including Substrate Parasitics for ESD Protection Circuits and Design Rule Checking
ESD design rule checking is different from the conventional design rule checking in that not only different rules have to be applied for different components in the ESD protection circuit, but also style of layout is of utmost importance to ensure uniform current distribution during ESD events. …
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Electrical parasitics and parameter extraction of photonic crystal vertical-cavity surface-emitting lasers
… Impedance characteristics and electrical parasitics are studied for various photonic crystal designs to understand factors which limit high speed modulation. Photonic crystal designs are found to have low differential resistance, but high parasitic capacitance. By including a diffusion …
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Frequency Domain Conductive Electromagnetic Interference Modeling and Prediction with Parasitics Extraction for Inverters
This dissertation is to focus on the development of modeling and simulation methodology to predict conductive electromagnetic interference (EMI) for high power converters. Conventionally, the EMI prediction relies on the Fast Fourier Transformation (FFT) method with the time-domain simulation …
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Characterization and Cancellation of High-Frequency Parasitics for EMI Filters and Noise Separators in Power Electronics Applications
… diagnosis 8) Identification of the effects of parasitics in boost PFC inductor on DM noise Although all topics are supported by both theory and experiments, there may still be some mistakes in the dissertation. The author welcomes any advice and comments. Please send them via email to …
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Thermal and Electrical Parasitic Modeling for Multi-Chip Power Module Layout Synthesis
… to increase switching frequency, electrical parasitics in MCPMs need to be reduced through tighter electronic integrations and smaller packages. As package size is decreased, temperature increases due to less heat dissipation capability. Thus, it is crucial to consider both thermal and …
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Modeling and Design of a Three-dimensional Inductor with Magnetic Core
… on-chip spiral inductors suffer from large parasitics and area for a meager value of inductance and quality factor. The need to overcome these issues has led to the development inductors with new geometries housing magnetic cores that show an enhanced inductance compared to the air core …
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Tunable Impedance Matching Network Fundamental Limits and Pracitical Considerations
… factor are demonstrated and the ability of parasitics to both increase and decrease <em>TR</em> are shown. Measured results exemplify i) the potential to develop matching networks with a small impact from parasitics, ii) the need for accurate knowledge of parasitics when designing near …
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Robustness of Model Reference Adaptive Schemes With Respect to Modeling Errors
… adaptive schemes with respect to unmodeled parasitics is analyzed. Bounds on parameter and state errors are established for identifiers and adaptive observers. In the case of adaptive control, algorithms are modified to guarantee boundedness. Decentralized adaptive control schemes …
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High Power Sources Near 0.9 Micrometers in *Oxide Glass Fibers
… fibers both theoretically and experimentally. Parasitics such as amplified spontaneous emission and stimulated Brillouin scattering are also investigated to determine the limitations to this approach.
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Design and Characterization of Liquid Metal Flip Chip Interconnections for Heterogeneous Microwave Assemblies
… bond interconnections because of their reduced parasitics, more compact architecture, and flexibility in laying out flip chip bond pads. Reduction in interconnect parasitics enables these interconnects to support broadband signals, therefore increasing the bandwidth capabilities of flip …
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Study of substrate noise and techniques for minimization
… modulator primarily through the asymmetrical parasitics of the input sampling circuit. Furthermore, since some of the parasitics are nonlinear with input voltage, substrate noise couples into the analog circuits producing an input signal dependent component and an input signal independent …
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Design of High-density Transformers for High-frequency High-power Converters
… power density. However, two factors, losses and parasitics, loom and compromise the effect. Losses of high-frequency magnetic components are complicated due to the eddy current effect in magnetic cores and copper windings. Parasitics of magnetic components, including leakage inductances and …
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Improvements of Synchronous Rectification on LLC-DCX
… and secondly a early turn-off issue from parasitics present in the drain-source sensing path. Two novel methods are proposed to solve the early turn-off issue, and an FPGA based solution is built to validate and fix the resonance issue. Simulations are run to quantify the amount of …
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A high bandwidth, low distortion, fully differential amplifier
… package model, laying out the die and extracting parasitics, and creating simulation tests.
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The design of a high efficiency RF power amplifier for an MCM process
… Analysis of heat management, die connection parasitics, and transmission line structures in the context of the MCM process is performed to show that a similar design could realistically be adapted to the MCM process with possible performance enhancement.
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Modeling strategy for EMI filter and flyback transformer
… are closely placed, therefore, strong mutual parasitics. These parasitics degrade the performance of the EMI filter. Overall, it would be beneficial if the performance of the EMI filter and the fluctuation of the transformer can both be analyzed through pre-design simulation. In this …
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Methodologies for Design-Oriented Electromagnetic Modeling of Planar Passive Power Processors
… with subsequent increase in device temperature, parasitics and electromagnetic radiation. An accurate set of reduced-order modeling methodologies is presented in this work in order to predict the high-frequency behavior of inductors and transformers. Analytical frequency-dependent expressions to …
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System Level Modeling of Thermal Transients in PEMFC Systems
… that includes a simplified transient thermal and parasitics model. Model validation is achieved using a small 1.2 kW fuel cell system, due to its availability. While this is a relatively small stack compared to a full size automotive stack, the power, general thermal behavior, and compressor …
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