请问这张图中的红色线和蓝色线意思是A、B通道的差异,还是说加了去耦电容和没有加去耦电容的差异,谢谢
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你试一下下面的测试条件。
The PSRR (Power Supply Rejection Ratio) measures the noise that propagates to the ADC by varying the power signal to inject noise: