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ZedBoard Hardware Design Zedboard DACs
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  • Replies 5 replies
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Zedboard DACs

DDina
DDina over 3 years ago

Any suggestiom for high speed DACs

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  • michaelkellett
    michaelkellett over 3 years ago in reply to DDina +2
    2 channels @ 14 bit @ 250Ms/s = 7Gbit/s 1 channel @ 12 bit @ 250 M/s = 3Gbit/s So you won't be doing this over a PMOD connector ! You probably won't do it for much less than this: https://www.ti…
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  • michaelkellett
    michaelkellett over 3 years ago

    How fast, how many bits, how many channels and how much do you expect to pay for it ?

    What do you actually want to do with it ?

    MK

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  • michaelkellett
    michaelkellett over 3 years ago

    How fast, how many bits, how many channels and how much do you expect to pay for it ?

    What do you actually want to do with it ?

    MK

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  • DDina
    DDina over 3 years ago in reply to michaelkellett

    Thank you for your help

    I look for high speed DAC 12bit/14 bit with a conversion rate of up to 250 MSPS, with 1 or 2 D/A channels.

    I need the DAC to communicate between zedboard FPGA and other hadware devices (with sma connectors).

    Thank you

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  • michaelkellett
    michaelkellett over 3 years ago in reply to DDina

    2 channels @ 14 bit @ 250Ms/s = 7Gbit/s

    1 channel @ 12 bit @ 250 M/s = 3Gbit/s

    So you won't be doing this over a PMOD connector !

    You probably won't do it for much less than this:

    https://www.ti.com/tool/DAC3162EVM

    TI offer an adapter board for FMC which works with this DAC board, about £182 for the pair.

    You'll probably be on your own as far as FPGA code to talk to the DAC is concerned.

    MK

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  • DDina
    DDina over 3 years ago in reply to michaelkellett

    Thank you so much for your help

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  • michaelkellett
    michaelkellett over 3 years ago in reply to DDina

    I'm a bit concerned that you are out of your depth here !

    You need to download the data sheets for the parts and check them your self to see if they will work for you.  If you find a a problem with the documents then ask about that specific problem.

    If you are not technically capable of reading the data for the Z board and the TI parts then you are not going to be able get this thing to work.

    Can you explain the back ground of your project and who you are (student, engineer, whatever)  and properly explain what you are trying to do. If you answer these background questions it will be much easier to help.

    MK

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