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Request FMCOMMS1 output clarifications

Question asked by cherif.chibane@ll.mit.edu on Oct 14, 2014
Latest reply on Oct 30, 2014 by dpu

Hello,

 

I am enclosing a screen shot of an transmit output from the FMCOMMS1. I am outputting a QPSK signal sampling the DAC at 250 MHz. What are the two images I see on either side of my signal?  I am using the low pass filter provdie inside teh DAC  and nothing should be there. Am I missing something?

Any help is greatly appreciated.

 

Thanks,

Cherif

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