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An Arnoldi based thermal network reduction method for electro-thermal analysis

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3 Author(s)
Codecasa, L. ; Dipt. di Elettronica e Infoirnazione, Politecnico di Milano, Italy ; D'Amore, D. ; Maffezzoni, P.

In this paper we consider the problem of approximating the large discretized thermal network that models the heat conduction phenomenon in an electrical system by means of models of reduced state-space dimensions. To this aim we present an efficient and numerically stable Arnoldi type algorithm by which a multi-point moment matching approximant of the discretized thermal network is obtained and we apply it to the electro-thermal analysis of an operational transconductance amplifier.

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Components and Packaging Technologies, IEEE Transactions on  (Volume:26 ,  Issue: 1 )