Abstract
AbstractRecently, with the advent of personal high‐performance electronic devices such as computers and with proliferation of mobile communications such as cellular phones, reduction of the size and weight of the systems, enhancement of processing speed, and voltage reduction of the electronic devices have been pursued. As a result, the problems of interference by unwanted electromagnetic waves between various devices and within individual devices have appeared. Various approaches are conceivable. The author has been performing research on these problems from the standpoint that the electromagnetic elucidation of the generation and propagation mechanisms of the unwanted waves is essential. In the present paper, the voltage and current distributions on a parallel two‐wire line with a bend, representing the basic configuration of a transmission line, are analyzed by the FDTD method. By using this analysis, the complex power near the bend is derived and the transmission/radiation characteristics at the bend are quantitatively elucidated. Next, the transmission/radiation characteristics of a microstrip line with a 90° bend are analyzed by the FDTD method in the case where an adjacent line exists. In this way, the effect of the adjacent line is elucidated. © 2004 Wiley Periodicals, Inc. Electron Comm Jpn Pt 1, 87(7): 11–22, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/ecja.10190
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