Distributed decoupling analysis on PG planes for PDN design

A method is presented to get the distributed characteristic of impedance and the locations of decoupling capacitors on power-ground(PG) planes for minimizing the impedance design. Multi-port networks method based on the integral equation is proposed to model the PG pair with voltage regulator module...

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Hauptverfasser: Guang-Xiao Luo, Xiang Cui, Xing-Chang Wei, Er-Ping Li
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Xing-Chang Wei
Er-Ping Li
description A method is presented to get the distributed characteristic of impedance and the locations of decoupling capacitors on power-ground(PG) planes for minimizing the impedance design. Multi-port networks method based on the integral equation is proposed to model the PG pair with voltage regulator module(VRM) and decoupling capacitors, the distributed characteristic of impedance is analyzed by ports reduced process, and the location of decoupling capacitors is advised to lower the power distribution network (PDN) impedance and the noise coupling on the whole PG plane. Numerical examples reveal that this location optimizing process is efficient for PDN Design.
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subjects Capacitors
Couplings
Distributed Decoupling
Impedance
Integrated circuit modeling
Mathematical model
Multi-port Networks
Noise
Noise Coupling
PG Planes
Target Impedance
title Distributed decoupling analysis on PG planes for PDN design
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