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Questions about AFE9450EVM

Other Parts Discussed in Thread:AFE4950EVM

Hi there!
I am currently having some problems measuring PPG and Spo2 using the AFE9450EVM development board.
As shown in the figure, this is how I configured the red LED and IR LED, as well as the PD related parameters. The purpose is how to configure some parameters that can be plotted in the figure for each of the two channels so that I can (using the AC and DC values measured by the two channels) calculate Spo2.
I look forward to your answer.
Please stay safe and healthy.
Thanks and Regards!
user5241297:

Here is my email address: wangwei@helowin.com

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Amy Luo:

Hi,

Thank you for your post and welcome to our forum!

I need to confirm with you the product number. TI does not have AFE9450 . Are you using AFE4950EVM?

Since the AFE4x series products are information restricted products, please send English mail to biosensing_afe-support@list.ti.com get technical support. The product is supported by a team of engineers in the United States and needs to be communicated in English.

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user5241297:

Hi ,

I am using AFE4950EVM.

I have sent an email to biosensing_afe-support@list.ti.com last night, but I haven't got a reply yet, please help me to urge.
My email address: wangwei@helowin.com.

Thanks!

,

Amy Luo:

Due to the time difference, the engineers in the United States should not be working yet. Please wait patiently.

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user5241297:

It's been over 40 hours since the email was sent and I still haven't gotten a response. Are you guys too slow to respond, or is my question too simple?
I am anxious to get an answer.

Thanks!

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Amy Luo:

You can post on the E2E forum to see if they have received the email. On the E2E forum,AFE4x series products are also offline support. E2E forum link:
e2e.ti.com/…/data-converters-forum

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