Eye Diagram Analyzer

[NURUL HAMIDA]

Hi, all.
Have a good day everyone.

I’m just simulating the RoF design to evaluate the eye diagram. But, the eye diagram was too bad. I suspect it because of the amplitude and bias value in the sine generator.
Down here is the design that I attached. Anyone who can help me to trace the problem

[Marc Verreault]

Good day,

Your post doesn’t seem to include the attachment. Would it be possible to re-post with the attachment? Cheers.

[NURUL HAMIDA]

Hi, Marc Verreault…
Since the file exceeded the maximum file size allowed, I’m just giving the snapshot of the eye diagram result.

[NURUL HAMIDA]

Hi, Marc Verreault…
Sorry for all the errors
Since the file exceeded the maximum file size allowed, I’m just giving the snapshot of the eye diagram result

Attachments:

1. 

   Eye-Diagram-Result2.0.jpg
   

[Marc Verreault]

Good Nurul,

The eye diagram actually looks very good! The Q factor is 21 (very high). I wouldn’t change a thing in your design. Cheers

[NURUL HAMIDA]

Hi Marc Verreault

But I’m still confusing about the black rectangle in the up and down of the eye diagram.

Attachments:

1. 

   Eye-Diagram3.0.png
   

[Marc Verreault]

Hi Nurul,

Yes, that does look strange at first view. If you reduce the number of samples do you still see the same? Cheers

[NURUL HAMIDA]

Hi, Marc…

When I decrease the number no samples, the result shows an improvement. But, I’m still don’t know how to pick the exact value of no of samples. Can you help me?

Attachments:

1. 

   Eye-Diagram-4.0.jpg
   

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