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Questions for AD-FMCOMMS3-EBZ

Question asked by Kaos on Jan 4, 2017
Latest reply on Jan 11, 2017 by Kaos

Dear Sit/Madam,

 

Our customer met one trouble for AD-FMCOMMS3-EBZ.

Why cannot show the Rx2A waveform after switching "from TX_MONITOR2 to Rx2A"?

 

step-1

Set Tx LO=2400MHz, and set the FPGA setting as following.

At this time, we can see the waveform RX1A and Rx2A with no problem.

 

step-2

Make change the RF Port Select to the TX_MONITOR2.

At this time, we can see the waveform Rx1A and the Tx_MONITOR2 with no problem also.

 

step-3

Make change the RF Port Select to the A_BALANCED.

At this time, we can see Rx1A waveform, but we CANNOT see Rx2A waveform.

 

Question :

a) Why can we not see the waveform at this time?

b) How should we fix this trouble?

 

Following is their connection figure.

Linux : 2015_R1-2015_12_22.img

I need your comment.

 

Thanks Kaos

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