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示波器并非千篇一律:ADC和低本底噪声为何至关重要
这一点在测量微小电压时显得尤为重要,因为在这种情况下,即使是很小的噪声也会导致读数出现显著偏差。 例如,图2展示了一台示波器正在对53μV ...
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