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Visitor ste3191
Visitor
7,235 Views
Registered: ‎05-12-2012

JESD204B over Fiber Optic

Hi, everyone has had experience with JESD204B over fiber? I have to connect more adc to fpga with fiber optic.

I was thinking to a parallel optical transceiver like this www.avagotech.com/products/fiber-optics/optical-transceivers/12-channel/afbr-810bxxxz . Have i to send SYNC signal over fiber too, right?

 

Thanks

 

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Adventurer
Adventurer
7,203 Views
Registered: ‎01-18-2012

Re: JESD204B over Fiber Optic

Hello,

I have no experience with JESD204 over fiber, but for sure you have to send the SYNC to each ADC.

And don't forget about configuring them. Usually it is done throught SPI....

Make sure that low frequency signal are compatible with fiber for the SYNC signal.

 

Best regards,

 

Mlefevre

 

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Visitor ste3191
Visitor
7,197 Views
Registered: ‎05-12-2012

Re: JESD204B over Fiber Optic

However sync signal can't be sent over fiber directly because it's dc coupled. So, for data fiber is ok, insted for sync I've to use copper wire:(

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