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AC-Coupled of HDMI input&output

Question asked by Jacky-zheng on Jun 2, 2015
Latest reply on Jun 8, 2015 by GuenterL


There're some issues for my HDMI input&output port,I'm not sure that these unstable issues caused by ADV7611(HDMI input port) or AD9889B(HDMI output port) or both.

My design is like this:HDMI source ----->ADV7611(TMDS signals are DC-Coupled)---->FPGA---->AD9889B----->screen(TMDS signals are DC-Coupled).

Is this a suitble way for ADV7611 and AD9889B or not?

Is AC-Coupled a better way for both ADV7611 and AD9889B?