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首页> 外文期刊>IEEE Transactions on Microwave Theory and Techniques >Electromagnetic Bandgap Power/Ground Planes for Wideband Suppression of Ground Bounce Noise and Radiated Emission in High-Speed Circuits
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Electromagnetic Bandgap Power/Ground Planes for Wideband Suppression of Ground Bounce Noise and Radiated Emission in High-Speed Circuits

机译：电磁带隙功率/地平面用于宽带抑制高速电路中的地面反弹噪声和辐射

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摘要

A power/ground planes design for efficiently eliminating the ground bounce noise (GBN) in high-speed digital circuits is proposed by using low-period coplanar electromagnetic bandgap (LPC-EBG) structure. Keeping solid for the ground plane and designing an LPC-EBG pattern on the power plane, the proposed structure omnidirectionally behaves highly efficiently in suppression of GBN (over 50 dB) within the broad-band frequency range (over 4 GHz). In addition, the proposed designs suppress radiated emission (or electromagnetic interference) caused by the GBN within the stopband. These extinctive behaviors of low radiation and broad-band suppression of the GBN is demonstrated numerically and experimentally. Good agreements are seen. The impact of the LPC-EBG power plane on the signal integrity for the signals referring to the power plane is investigated. Two possible solutions, differential signals and an embedded LPC-EBG power plane concept, are suggested and discussed to reduce the impact.
机译：通过使用低周期共面电磁带隙（LPC-EBG）结构，提出了一种用于有效消除高速数字电路中的接地反弹噪声（GBN）的电源/接地层设计。保持接地平面牢固，并在电源平面上设计LPC-EBG图案，该结构在宽带频率范围（4 GHz以上）中抑制GBN（50 dB以上）时，具有全方位的高效性能。另外，提出的设计抑制了由阻带内的GBN引起的辐射发射（或电磁干扰）。通过数值和实验证明了低辐射和GBN宽带抑制的这些消极行为。可以看到良好的协议。研究了LPC-EBG电源平面对参考电源平面的信号的信号完整性的影响。提出并讨论了两种可能的解决方案，即差分信号和嵌入式LPC-EBG电源板概念，以减少影响。

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