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A Fast Computation Method of Power Ground Plane Impedance using the Mobius Transform  

Suh Youngsuk (영남대 공대 전자정보공학부)
Kim In-Sung (한국전기연기원 전자기소자연구그룹)
Song Jae-Sung (한국전기연기원 전자기소자연구그룹)
Eum Tae-Su (LG전자(구미) 디지털정보디스플레이사업부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.54, no.1, 2005 , pp. 41-44 More about this Journal
Abstract
A new method to reduce the computation time in power/ground-plane analysis is proposed. The existing method using the two dimensional infinite series summation take a lot of computation time. The proposed method is based on the approximation of impedance in the frequency domain through the Mobius transform. This method shows the good accuracy and the high speed in computing. In the case of impedance calculation for 9'x4' board, the proposed method takes 0.16 second of computing time whereas the existing method takes 2.2 second. This method can be applied to the analysis and design of power/ground-plane that need a lot of computation steps.
Keywords
Power Integrity; Power-Ground Plane Analysis; PCB;
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  • Reference
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