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which clock should be used to send data to AD9780?

Question asked by pumpkin on Mar 28, 2013
Latest reply on Mar 28, 2013 by Tguy

I have an FMC with AD9780. When I send data to it, two possible clock in FPGA can be used:

1. The clock from DCO of AD9780

2. Another clock which is derived from the sampling clock and fed into FPGA

 

Which clock should I use for OSERDES in FPGA? Does it really matter?

 

Thanks

 

Xiang Chao

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