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A new circuit simulation methodology of non-uniform transmission line structures such as non-straight as well as discontinuous lines is presented which transforms the discontinuities transmission line parameters into the virtual uniform transmission line parameters. Conventional methodologies cannot effectively simulate signal transients for non-uniform transmission lines. They are not compatible with mathematical transmission line formulation. The proposed methodology can be directly used for the signal transient simulation of the non-uniform transmission lines. Since the transmission line parameters are calculated by using much simpler 2-dimensional (2-D) simulation data rather than 3-dimensional (3-D) simulation, h is very cost-efficient. The 2-D-based model parameters can be accurately determined within about 10% error, compared with 3-D-based data. Whereas it provides transmission line parameters much faster than that of 3D simulation. The proposed method is verified with general purpose circuit simulator, HSPICE, for non-uniform multiple transmission lines. Our 2-D-based models and simulation methodology show the excellent agreements with the conventional 3-D-based exact simulation. It is very cost-efficient and able to be extended to any transmission line simulation or library construction for the complicated interconnect simulation.

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Abstract

Ⅰ. Introduction

Ⅱ. Transmission Line Model and Parameters

Ⅲ. Discontinuity Modeling of Non-Uniform Transmission Lines

Ⅳ. Effective Transmission Line Parameter for Arbitrary Shapes

Ⅴ. Transient Simulation and Verification of Model

Ⅵ. Conclusion

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UCI(KEPA) : I410-ECN-0101-2009-569-017766173