Resonance Analysis of PCB Power-GND Pairs

Rui Liu; Dan Xiao

doi:10.4028/www.scientific.net/AMR.722.81

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 722Resonance Analysis of PCB Power-GND Pairs

Resonance Analysis of PCB Power-GND Pairs

Abstract:

PCB Power-GND resonance is important in PI design. This article introduces PCB power-ground pairs resonance analysis methods, based on the comparison of theory calculation and simulation in Sigrity PowerSI via one simple example. The relationship between Z simulated parameter and resonance frequency is discussed, additionally, considering about the impact of excitation source impedance, VRM should be modeled as voltage source and drink IC should be modeled as current source to get right simulation results.

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Periodical:

Advanced Materials Research (Volume 722)

Pages:

81-85

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.722.81

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Online since:

July 2013

Authors:

Rui Liu, Dan Xiao

Keywords:

Eigen Mode, Excitation Source, PDN Self-Impedance, PI, Resonance

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References

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