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 10 of 10 for “"high-frequency circuits"”.
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Analysis, simulation and design of nonlinear RF circuits
… of Computer Aided Design (CAD) algorithms for high-frequency circuits. Novel Padébased algorithms for numerical integration of ODEs as arise in high-frequency circuits are proposed. Both single- and multi-step methods are introduced. A large part of this section of the research is concerned …
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Large Signal HBT Model and Integrated Circuit Design Using 300-Ghz Indium Phosphide HBT Technology
… in terms of single devices and integrated circuits. Good fitting to the measured DC and high-frequency data from single HBTs is achieved. In terms of circuit verification, high-gain and wideband variable gain amplifier (VGA) is developed using a negative-RE approach. This circuit shows a …
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Characterization and modeling of multilayer interconnections for high-speed digital systems
The frequency-dependent characteristics of lossy interconnections such as on-chip metallization and wiring in multichip modules are characterized rigorously by 2D full-wave analyses using dyadic Green's functions. The frequency-dependent complex propagation constants and complex characteristic …
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Broadband Multilevel Fast Multipole Methods
… wireless communication systems, optical systems, high-frequency circuits and so on. As a consequence, there is much interest in finding algorithms that make these simulations as computationally efficient as possible. One of the leading classes of algorithms consists of the so-called Fast Multipole …
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Using x-parameters for signal integrity applications
… buffers are the nonlinear terminations of the high-speed links that the signal integrity engineer is tasked with designing and optimizing. Brief treatments of the X-parameter formalism, the harmonic balance simulation method, the latency insertion method, and the Input/Output Buffer Information …
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High-Frequency Dimensional Effects in Ferrite-Core Magnetic Devices
… electronics applications where the switching frequency is in the range of several tens of kilohertz to a megahertz. In this range of frequencies the combination of relatively high permeability and relatively low conductivity found in MnZn ferrite helps to minimize the size of magnetic devices …
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3D Electromagnetic Simulation Tool Exposure for Undergraduate Electrical Engineers: Incorporation Into an Analog Filters Course
… in 3D electromagnetic (EM) simulation of high-frequency circuits. To give electrical engineering students a better understanding of the behavior of electromagnetic fields, experiments including the use of 3D EM simulation software were proposed. Most students get lost in differential …
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Nonreciprocal microwave devices using parametric frequency conversion
… microwave devices enabled by parametric frequency conversion. Although such devices have been explored somewhat superficially in the 1960s, resurgent interest in low-noise nonreciprocal components has motivated new research in parametric frequency conversion. In particular, this work …
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Fabrication of capacitors based on silicon nanowire arrays generated by metal-assisted wet chemical etching
Capacitors with high capacitance density (capacitance per footprint area) have potential applications in autonomous microsystems that harvest energy from the environment, as they can store and release energy at high rates. Use of high surface-to-volume ratio structures has been demonstrated as an …
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Efficient Finite Element Electromagnetic Analysis for High-Frequency/High-Speed Circuits And Multiconductor Transmission Lines
… finite element electromagnetic field solver with high-order vector elements for high-frequency and high-speed circuit simulations. The solver supports wave port and lumped port excitations as well as the incorporation of lumped networks and circuit models in a distributed finite element model. An …