AD9213's SYNCINB_x signal must be DC-coupled?

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DougI · Accepted Answer

Hi daidaishannon, 
 Yes, AD9213's SYNCINB signal, and JESD204B SYNC signals in general, should be DC-coupled. This is not so much a device requirement but rather it is a system requirement. The JESD204B SYNC signals are asserted when needed and otherwise will be idle. Long idle periods can be an issue when AC coupled. 
 Thank you. 
 Doug)

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AD9213's SYNCINB_x signal must be DC-coupled?