MODELING OF SHIELDED MICROSTRIP TRANSMISSION LINES
Date
1996
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Masters
Abstract
Microstrip lines are widely used not only in microwave circuits, but also in very large scale integration (VLSI) and high frequency circuit boards. Initially microstrip lines were analyzed mainly in the frequency domain, but now time domain analysis is also becoming a subject of prime importance. Time domain analysis data is relevant in determining the behavior of many microwave and VLSI circuits. Full wave time domain analysis is usually not practical due to computer time and memory requirements. Therefor, time domain analysis is usually carried out via frequency domain analysis and the inverse Fourier transform. Frequency domain analysis can be very accurate when a stationary model for the dispersive behavior of a microstrip line is utilized. This method has been successfully employed in time domain analysis of various forms of open microstrip lines.
Since most microwave integrated circuits (MIC) and VLSI packagings have closed structures, an efficient and fast time domain analysis of such structures requires a model which describes the dispersive behavior of a shielded microstrip line. However, unlike the case for an unshielded microstrip line, no dispersion model exists for the shielded microstrip line.
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Degree
Master of Science (M.Sc.)
Department
Electrical Engineering