Analysis of the Ground Bounce in Power Planes of PCB Using the Haar-Wavelet MRTD

Haar 웨이블릿 기반 MRTD를 이용한 PCB 전원 공급면에서의 Ground Bounce 해석

  • 천정남 (한양대학교 전자전기공학부) ;
  • 이종환 (한양대학교 전자전기공학부) ;
  • 김형동 (한양대학교 전자전기공학부)
  • Published : 1999.12.01


This paper analyzed the ground bounce caused by the power plane resonance in the multilayered printed circuit board(PCB) using the Haar-wavelet-based Multiresolution Time-Domain (MRTD). In conventional Finite-Difference Time-Domain(FDTD), the highly fine vertical cell is needed to represent the distance between $V_{cc}$ plane and ground plane since the two planes are very close. Therefore the time step $\Deltat$ must be very small to satisfy the stability condition. As a result, a large number of iterations are needed to obtain the response in wanted time. For this problem, this paper showed that the computation time can be reduced by application of the MRTD method. The results obtained by the MRTD agree very well with those by FDTD method and analytic solutions. In conclusion, this paper proved the efficiency and accuracy of MRTD method for analyzing the EMI/EMC problems in PCB.



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