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Reduction of PDN impedance is necessary to prevent false logic operation of the CMOS LSIs. Constant target impedance with frequency is used as a simple method to define PDN impedance of the system. However, this conventional target impedance did not change with frequency, and was not applied to the high frequency range where PDN impedance exceeds the constant value of target impedance. Therefore,...
Electromagnetic interference (EMI) forecast is a critical issue in the modern electronic systems. The conventional method of EMI forecast includes the resonance frequency and S parameter of single board itself. However, it was not enough to estimate the worst peak frequency of EMI accurately, because on-chip capacitance affects greatly on the resonance frequency. Therefore, the EMI forecast is required...
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