The effect of decoupling capacitor distance on printed circuit boards using both frequency and time domain analysis

被引：0
|
作者：
Archambeault, B [1 ]
Connor, S [1 ]
机构：
[1] IBM Corp, Res Triangle Pk, NC USA
来源：
EMC 2005: IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1-3, PROCEEDINGS | 2005年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper demonstrates the effect of decoupling capacitor distance on the amount of EMI noise created at an IC's power pin. As the distance is increased, the amplitude of the noise is increased if the capacitor has been attached to the printed circuit board (PCB) with a low inductance connection. This effect is most apparent when the dielectric thickness of the PCB is greater. Furthermore, this paper demonstrates the need to do this type of analysis in the time domain and not the frequency domain.
引用
收藏
页码：650 / 654
页数：5
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