Shih-Yi Yuan, Jiun-Jia Huang, S. Liao, Chia-Yuan Hsu, Ting-Wei Yeh
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Dynamic internal impedance and current activity estimation for software-related IC-EMC model
This paper proposes a method which can find dynamic characteristics of internal impedance (IntZ) and internal current activity (IntCA) in a microcontroller (uC) for IC-EMC model. The dynamics of IntZ/IntCA can be estimated without any prior netlist information. The dynamics of IntZ/IntCA are represented by a set of internal “impulse response” functions. This paper shows that both of the IntZ and IntCA are intrinsically dynamic. This method can be further used for software-related IC-EMC modelling and IC-EMC simulation.