用于宽带同步开关噪声抑制的平面EBG结构

2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2016-08-01 DOI:10.1109/ICEICT.2016.7879772

Panpan Chen, Qun Wu, Shao-Rui Shi

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引用次数: 2

摘要

同时开关噪声是影响配电网功率完整性的主要原因。为了抑制低频范围内的同步开关噪声和扩大阻带带宽，提出了一种新型的平面电磁带隙结构，该结构通过增加贴片之间的连接桥来实现。可直接嵌入高速电路PCB中。抑制深度为−30dB时，阻带为0.29 ~ 7.21 ghz。仿真结果表明，所提出的电磁带隙结构能有效降低下截止频率，扩大阻带带宽。

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Planar EBG structure for broadband suppression of simultaneous switching noise

Simultaneous switching noise is the main reason that greatly affects power integrity of power distribution network. In order to suppress simultaneous switching noise in low frequency range and expand the stop-band bandwidth, we propose a new type planar electromagnetic band-gap (EBG) structure which is achieved by increasing the connection bridge between the patches. It can be directly embedded in high-speed circuit PCB. When the suppression depth is −30dB, the stop-band is 0.29–7.21GHz. The proposed electromagnetic band-gap structure can effectively decrease the lower cutoff frequency and expand the stop-band bandwidth which is confirmed by simulation.

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2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)

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