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Analysis of radiation noise caused by power distribution on multilayer printed circuit board

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4 Author(s)
T. Hara ; Syst. Dev. Lab., Hitachi Ltd., Kokohama, Japan ; M. Kasai ; H. Yokota ; A. Nakamura

This paper investigates the cause of radiated noise from power and ground fluctuations in the feed system, and presents an evaluation method and a simple approximate model. Radiated noise from the feed system has two causes: (1) resonance phenomena (cavity resonance) due to power and ground planes on a printed board; and (2) resonance due to the IC lead frame, IC capacitance, and output-signal load. The resonance frequencies in these two cases can be determined by measuring S11-parameters from the IC power and ground pins

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Electromagnetic Compatibility, 1999 International Symposium on

Date of Conference: