AFE4490: afe4490 noise

Ting Yi Shen

Part Number: AFE4490

hello,

I am facing a problem,first my signal recive form AFE4490,just like a noise

some times will be more clear, but RED signal(yellow) still mess,it this kind of thing normal?

my parameter is down

1.all led current:10mA

2.push pull drive mode

3.5pf 500k stage_gain=2.818

4.pluse=500Hz,duty cycle=25%

0 Stuart McCutchen over 1 year ago

Hello Ting,

It is currently Holiday in the United States, so response may be delayed. Please allow us to respond later this week or next week.

Kind regards,

Stuart

0 Ting Yi Shen over 1 year ago

hello,

Is there any engineer who can assist?I will be very grateful, thank you

0 Stuart McCutchen over 1 year ago in reply to Ting Yi Shen

Hello Ting,

Let's take the conversation offline. Please direct your questions to the mailing list biosensing_afe-support@list.ti.com.

It may take a week or two for a response.

Kind regards,

Stu

0 Ting Yi Shen over 1 year ago in reply to Stuart McCutchen

hello,Thanks

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