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AFE4490 Questions

Abraham Li
Prodigy 90 points

Other Parts Discussed in Thread: AFE4490

Hello Every One,

Now I am using AFE4490 to design a demo board. Now I am debuging the firmware. But I have some questions about AFE4490. Please see the picture. the data is read from the LED2VAL: It is like a correct diagram of SPO2, but there are a lot of " noises".

I want to know why it has so many noises and how to remove the noises.

Thanks