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Modeling DC power-bus structures with vertical discontinuities using a circuit extraction approach based on a mixed-potential integral equation

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5 Author(s)
Jun Fan ; NCR Corp., San Diego, CA, USA ; Hao Shi ; Orlandi, A. ; Knighten, J.L.
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The DC power-bus is a critical aspect in high-speed digital circuit designs. A circuit extraction approach based on a mixed-potential integral equation is presented herein to model arbitrary multilayer power-bus structures with vertical discontinuities that include decoupling capacitor interconnects. Green's functions in a stratified medium are used and the problem is formulated using a mixed-potential integral equation approach. The final matrix equation is not solved, rather, an equivalent circuit model is extracted from the first-principles formulation. Agreement between modeling and measurements is good, and the utility of the approach is demonstrated for DC power-bus design

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Advanced Packaging, IEEE Transactions on  (Volume:24 ,  Issue: 2 )