Hi, How can i send SYSREF/SYNC signals over fiber? My system has some AD9656 and FPGA, and i've to connect between them with fiber. But my problem is how syncronize them over fiber, because SYSREF/SYNC are DC coupled.
I do not know about transmitting over fiber, but would it help you if you could AC couple to AD9656 DSYSREF and DSYNC? I'm checking if these pins are internally biased, and if so, if they could be AC coupled.
Indeed, AD9656 DSYSREF and DSYNC need to be DC coupled.
To confirm, in your system you are sending DSYSREF and DSYNC signals over fiber, and you need to translate to voltage levels compatible with AD9656 DSYSREF and DSYNC pins, correct?
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