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Sin wave reception

Question asked by foukalas@gmail.com on May 25, 2016
Latest reply on May 29, 2016 by DragosB

Hi,

 

we have done a setup for the example here: no-OS/main.c at master · analogdevicesinc/no-OS · GitHub  using the FMCOMMS5 and ZC702.

The fact is that we test the transmit I and Q signals created here: no-OS/dac_core.c at master · analogdevicesinc/no-OS · GitHub, in lines 250 and 251. Attached is the results Q_IN as the data_q1 from the code above.

At the receiver side, after running the main.c and the capture.bat script files, we get the attached output.jpg plot that is one period shorter than the original one, i.e. 64 over 128.

 

Any explanation to understand this result?

Regards,

Fotis

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