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ADS4249EVM: , FMC-ADC-ADAPTER and ZCU102. Dimensions issue

ne_vova
Prodigy 10 points
Part Number: ADS4249EVM
Other Parts Discussed in Thread: FMC-ADC-ADAPTER,

Tool/software:

Hello,

We are having an issue with boards dimensions trying to connect an ADS4249EVM board to a ZCU102 dev board using an FMC-ADC-ADAPTER.

When FMC-ADC-ADAPTER is connected to FMC on ZCU102 board the ADS4249EVM can not be connected to adapter as it is blocked by edge of the ZCU102 board.
Seems like about 1.5mm gap is missing between boards. 
Could you suggest any solution?


Thank you.

  • +1
    TI__Mastermind 23780 points

    Hi,

    I think you may have to use a short FMC ribbon cable. I'd think samtec or high tech global might have something that can work. Just check that it has all signals you are interested in routed before purchasing one.

    I just checked the layers for the ADC board and it looks like there is nothing on the edge of the board other than solid copper regions, likely ground or power layers, so I think you could potentially just file the edge of the PCB down to fit, as long as the filing/sanding is clean it should be ok. I can't officially advise or recommend you to do that on this forum but if you wanted to go that route at your own risk, I think it is possible. Just be sure to check that there is no short between 5V and GND before applying power.

    Thanks, Chase