Reliable Power Integrity Analysis Using MATLAB
Journal Title: Acta Technica Napocensis- Electronica-Telecomunicatii (Electronics and Telecommunications) - Year 2013, Vol 54, Issue 1
Abstract
In Power Distribution Network (PDN) design of high-speed systems appears to be contradictory design philosophies, component selection and layout rules. A not properly designed power distribution increases the supply rail noise, but this impacts the system’s performance in statistical manners, convoluted with many other variables. For this reason, the analysis and the design of a PDN is crucial in the real world of high-speed board systems. For a good reliability, the PDN should meet the target impedance ([2][5][9][10][13][16]) across the frequency range, up to the highest frequency of interest. Primarily, we need to characterize the high-frequency resonance peaks. Several commercial tools are available to analyze a PDN, [2][14][16][18], but the goal of this paper is to analyze a PDN using a tool developed in MATLAB that calculates and plots the self-impedance of an integrated circuit and the transfer impedance between two integrated circuits of a PCB consisting of a power-ground planes pair. The MATLAB tool gives the possibility to analyze the effects of the planes’ parameters on the noise and to find a tested decoupling strategy to optimize the PDN.
Authors and Affiliations
Raul FIZESAN
Keywords
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