Please refer to my following picture circle in orange.
Where should we bring the power 5V/500mA from?
I could not find the 5Vpin on your AD-FMCOMMS1-EBZ.
Our customer is studying to put external amp ADL5605 and ADL5623.
There is no 5V output on the FMCOMMS1, This figure is probably a simplified block diagram.
If a 5V is needed, it can either come from an external supply of get pulled from some 5V on the board by hacking it.
I personally would use an external supply.
I will suggest to use 5V supply from external to our customer soon.
Thank you for your quick reply always!!
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