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AD9633/HSC-ADC-EVALCZ Visual Analog comparison to Oscope not matching

Question asked by mkhyman on May 10, 2018
Latest reply on May 15, 2018 by DougI

I'm comparing data captured by the oscope and by the ad9633/evalcz combo using Visual Analog default data capture and I'm not understanding the difference.

oscope capture

 

vs Visual Analog Graph:

AD9633/EVALCZ capture

 

It doesn't quite look like it's reversed, and it's supposed to be FIFO so it should be left to right.  I'm also seeing a small spike artifact on the top of the downward slope in both images.  If I reverse the data from the DAQ, then the spike is at the top of the leading edge, not falling edge.

 

What am I missing or not understanding?

 

Thanks,

Mark.

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