Optimal placement of decoupling capacitors on PCB using poynting vectors obtained by FDTD method

被引：0
|
作者：
Hattori, I [1 ]
Kamo, A [1 ]
Watanabe, T [1 ]
Asai, H [1 ]
机构：
[1] Shizuoka Univ, Fac Engn, Dept Syst Engn, Hamamatsu, Shizuoka 4328561, Japan
来源：
2002 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL V, PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes the searching method for positions of decoupling capacitors on the printed circuit board (PCB). in this method, first, the, distributions of electromagnetic field between power and ground planes in the time domain are simulated, using FDTD method. Next, the distribution of poynting vectors in the frequency domain is investigated, using Fast Fourier Transform (FFT). Furthermore, this method finds the optimal location of decoupling capacitor so that the poynting vector is the highest. Finally, we analize the distribution of magnetic field emission above the signal plane in the x and y axes in the specified range of frequency and verify the validity of our method.
引用
收藏
页码：29 / 32
页数：4
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