Fast switching signals, such as clocks, must be shielded with digital ground to avoid radiating noise to other parts of the board, and must never be run near the reference inputs.

时钟等快速开关信号必须利用数字地屏蔽起来，以免向电路板上的其它器件辐射噪声，并且绝不应靠近基准输入。

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In a digital common-mode noise attenuation system for switching power converters, one of the key issues is the estimation of common-mode noise.

在电力电子开关变换器数字化共模噪声抑制系统中，一个重要环节就是共模噪声的评估。

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Fast switching signals, such as clock signals, should be shielded with digital ground to avoid radiating noise to other sections of the board, and clock signals.

快速切换的信号，例如时钟信号，应该用地线屏蔽，以避免将噪声辐射到其他部分。

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