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Title: Theoretical and experimental studies on nonlinear lumped element transmission lines for RF generation
Keywords: nonlinear, lumped element transmission line, circuit model, RF oscillations, voltage modulation, hybrid line
Issue Date: 2-Aug-2013
Source: KUEK NGEE SIANG (2013-08-02). Theoretical and experimental studies on nonlinear lumped element transmission lines for RF generation. ScholarBank@NUS Repository.
Abstract: A nonlinear lumped element transmission line (NLETL) consisting of a LC-ladder network can be used to convert a rectangular input pulse to a series of RF oscillations at the output. Three types of lines were studied: a) nonlinear capacitive line (NLCL) where only the capacitive component is nonlinear; b) nonlinear inductive line (NLIL) where only the inductive component is nonlinear; and c) nonlinear hybrid line (NLHL) where both LC components are nonlinear. A NLETL circuit model was developed for simulation and extensive parametric studies were carried out to understand the behaviour and characteristics of these lines. Generally, results from the NLETL model showed good agreement to the experimental data. A novel method for more efficient RF extraction was implemented in NLCL. A simple method was also established to obtain the necessary material parameters for modeling the NLIL. The NLHL (where no experimental NLHL has been reported to date) was successfully demonstrated in experiment.
Appears in Collections:Ph.D Theses (Open)

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