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ADS1292R 手册有问题

Other Parts Discussed in Thread: ADS1292R

我有两个问题:

一、手册错误

    手册第21页和第60页对于 PGA1P和PGA1N之间的滤1波电容大小,在通道1用于呼吸时的描述不同。

21页说是4.7uF:

60页说是47uF:

二、ADS1292R呼吸问题

    我买了评估板,在模拟器上能测出呼吸波形,为什么在人体上测不到呼吸波形?