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AD-FMCOMMS1-EBZ RF Output

Question asked by NSchneck on Oct 3, 2013
Latest reply on Oct 16, 2013 by charlyelkhoury

I successfully implemented the reference design and the No-OS code using a Zedboard and the AD-FMCOMMS1-EBZ.  Just to make sure that everything was working correctly, I hooked up the RF output to a spectrum analyzer.  It seems that I am outputting a signal, and I've verified that I can change the frequency, but it doesn't look "clean" to me.  Granted, I'm not an RF engineer or anything, but am I seeing harmonics or oscillations or something?  I've attached a picture of my spectrum analyzer.

 

Thanks for any help or comments.

 

Nate

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