The paper describe that,at higher frequencies signal loss and noise is reduced when ground-return vias are placed close to the original signal vias.
文章概述了在较高频信号传输中,靠近信号导通孔设置接地回路导通孔可以降低传输信号的损失和噪音。
参考来源 - PCB设置接地回路导通孔对信号传输性能的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
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