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Efficient Curve Fitting Technique for Analysis of Interconnect Networks with Frequency-Dependent Parameters
Yuichi TANJI Yoshifumi NISHIO Takashi SHIMAMOTO Akio USHIDA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/12/25
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Transistor-level Circuit Analysis, Design and Verification
frequency-dependent lossy transmission lines, curve fitting technique, multi point Pade approximation, recursive convolution,
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Analysis of frequency-dependent lossy transmission lines is very important for designing the high-speed VLSI, MCM and PCB. The frequency-dependent parameters are always obtained as tabulated data. In this paper, a new curve fitting technique of the tabulated data for the moment matching technique in the interconnect analysis is presented. This method based on Chebyshev interpolation enhances the efficiency of the moment matching technique.