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AFE4400SPO2EVM: how to reduce the interference of EFT about afe4400

Depeng Man
Intellectual 2030 points

Part Number: AFE4400SPO2EVM
Other Parts Discussed in Thread: AFE4400

At present, the problem we are encountering is that when EFT exists, there will be many glitches in the blood oxygen waveform. Put a magnetic ring on the blood oxygen probe, the quality of the waveform will be better, but the problem is still not solved.

  • 0
    TI__Guru 50036 points

    Hello Depeng,

    Regarding the interference, can you share additional details like the raw data, glitchy waveforms?

    Additionally, can you provide the test setup details?

    Based on the schematics, it seems like customer is having this issue on their board. Are they able to test it with the TI AFE4400 EVM? 

    Can you also share the register configuration details?

  • 0 in reply to Praveen Aroul
    TI__Guru 50036 points

    Hello Depeng,

    Since I did not hear back from you, I believe you were able to resolve the issue.

    I will close the post and if you have any pending questions, feel free to post them here.