NDLI: A new computationally efficient method for the analysis of planar transmission lines and complex MMIC elements

Content Provider	IEEE Xplore Digital Library
Author	Xing Ping Lin Naishadham, K.
Copyright Year	1994
Description	Author affiliation: Dept. of Electr. Eng., Wright State Univ., Dayton, OH, USA (Xing Ping Lin; Naishadham, K.)
Abstract	Microstrip and coplanar transmission line components have been analyzed by the finite-difference time-domain (FDTD) method. The FDTD computational mesh is truncated by imposing absorbing boundary conditions on the walls of the mesh, thus simulating outgoing waves appropriate to an open structure. The residual reflection from these boundaries introduces significant error in the frequency-domain parameters derived by Fourier transformation of the time-domain voltages and currents. In this paper, we have developed a new computationally-efficient method called the geometry rearrangement technique (GRT) to cancel the dominant contribution to such reflection. We have applied the GRT to compute the effective dielectric constant of planar transmission lines and the scattering parameters of MMIC components. The computed results have been found to be in good agreement with published data, thus indicating the effectiveness of the GRT in canceling boundary reflection. This research is applicable to efficient characterization of MMIC elements and high-density microwave and millimeter-wave packages, which are currently being investigated in aerospace research.<>
Starting Page	983
Ending Page	990
File Size	605552
Page Count	8
File Format	PDF
ISBN	0780318935
DOI	10.1109/NAECON.1994.332833
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-05-23
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Time domain analysis Finite difference methods Reflection MMICs Microstrip components Coplanar transmission lines Boundary conditions Computational modeling Frequency domain analysis Voltage
Content Type	Text
Resource Type	Article

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