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Visitor
Posts: 7
Registered: ‎11-08-2017

Can Virtex 7 transceiver Quad work with two sources?

I have Virtex 7 Transceiver Quad connected to two different sources:

 

2 channels connected to one silicon and 2 other channels to another silicon.

In this setup only one pair locks on data, and the other is failing. 

Is it a known limitation? Or is it a matter of configuration? 

If I use separate Quad to connect with second silicon, but the reference clock is the same, will it work?

 

Thank you,

Vladimir

Voyager
Posts: 916
Registered: ‎02-24-2014

Re: Can Virtex 7 transceiver Quad work with two sources?

This is not a limitation, but probably a configuration problem.   What are the data rates you are trying to capture for each of the sources?   are they different by more than 1000 ppm?    You may need to have a separate reference clock for each data source you are trying to capture.

Can Virtex 7 transceiver Quad work with two sources?