Extraction of noise current signatures using wavelets in packaged digital systems

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Abstract

This paper discusses a measurement-based approach for estimating the switching noise current waveform in a functioning computer system. The proposed method consists of a wavelet-based approach for denoising the measured waveform and a technique for capturing the result in an accurate and compact model. The method has been tested on simulated and measured data. The test case considered is a high-speed functioning workstation from Sun Microsystems. Using the current source developed, simultaneous switching noise in the power distribution network of the test system has been simulated with good accuracy.

Original languageEnglish (US)
Pages (from-to)45-56
Number of pages12
JournalIEEE Transactions on Advanced Packaging
Volume28
Issue number1
DOIs
StatePublished - Feb 2005

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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