Hi Dan, This is the first I’ve heard of a ~$2K RFSoC education board. I couldn’t find any information with a quick web search. Does it have a part number?
Is information available from Xilinx, or is it a hush-hush thing? Regards, Ross > On Oct 26, 2020, at 11:32 AM, Dan Werthimer <[email protected]> wrote: > > > hi gareth, > > can you tell us a bit more about your project? > sample rate? number of ADC bits? number of ADC's? ADC analog bandwidth ? > then people might be able to provide better advice. > > some random thoughts: > > you probably know the SNAP board has a ZDOC connector on it, > so the old CASPER ZDOC ADC's can plug into SNAP (except for the dual ZDOC 64 > ADC board), > see ADC list at > https://github.com/casper-astro/casper-hardware#casper-hardware > <https://github.com/casper-astro/casper-hardware#casper-hardware> > but casper doesn't have all the yellow blocks for all of these ADC boards to > run on SNAP - > you might need to do some yellow block development, depending on which ADC > board you want. > > if this is for a correlator, and you want to use an RFSOC board, make sure > that board > can sync with other RFSOC boards so all the boards sample at the same phase. > the 8 input ZCU111 board can not sync with other boards, but the ZCU216 can. > i think most of the newer commercial RFSOC boards can sync. > mitch has evaluated several of RFSOC boards and has tested a few boards for > sync capabiltity. > > if you want a cheap 4 Gsps dual 12 bit RFSOC board, xilinx has a $2K RFSOC > education board > they said they could make this board available at high quantities to casper > collaborators. > > there's a quad 15 Gsps 4 bit FMC ADC board developed by jonathan weintroub's > group and rick_raffanti. > wei liu is working on a yellow block for this board. > and there's a single 15 Gsps 4 bit board developed by ASIAA. > > there is a dual ~5Gsps, or single ~10Gsps ~12 bit TI ADC board developed by > JPL. > there's a dual 10.6 Gsps ~10 bit AD ADC board under development at GBO. > > best wishes, > > dan > > > Dan Werthimer > Marilyn and Watson Alberts Chair > Astronomy Dept and Space Sciences Lab > University of California, Berkeley > > > On Mon, Oct 26, 2020 at 5:50 AM Gareth Callanan <[email protected] > <mailto:[email protected]>> wrote: > Hi Casper Community > > Now that roach2 has been deprecated, I have been wondering where the CASPER > community is heading in terms of future ADC work. > > As far as I can tell there are three options available: > SNAP boards - The SNAP boards seem to support the largest number of options > 12 x 250 Msps/ 6 x 500 MSps or 3 x 1000 Msps. SNAP is used by HERA, but I > don't think it is used anywhere else. > SKARAB and the SKARAB ADC - The SKARAB ADC can sample at up to 3 GSps. From > what I can tell, it does not seem to be widely used. I imagine it would be > quite an expensive configuration. > ZCU111 RFSoC - The ZCU111 RFSoC seems to be a good board for experimentation, > but if we wanted to build a many antenna array (N > 100), XIlinx may not be > quite able/willing to provide us with that many dev boards. > Alternatively, maybe there is some cheap FMC ADC out there that could make > everyone happy? (Although then we would need to find an FMC carrier card) > > From the options available, it seems to me that SNAP is the board that is > most likely to be deployed in a large array, and the ZCU111 board is what is > most likely to be used in labs/small arrays. > > Is that a correct read of what is available? Or are there other projects in > the works? > > We have cheap COTS options for building X/F-Engines. As far as I can tell, an > easily accessible ADC board is the main bottleneck to quickly > prototyping/building a correlator. > > Gareth Callanan > Digital Signal Processing Engineer > South African Radio Astronomy Observatory(SARAO) > > -- > You received this message because you are subscribed to the Google Groups > "[email protected] <mailto:[email protected]>" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CA%2B1nFZTu1S3E%3DaH_KtvPE722UdW49HD0b3YeB07mZbGSGT_7Vw%40mail.gmail.com > > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CA%2B1nFZTu1S3E%3DaH_KtvPE722UdW49HD0b3YeB07mZbGSGT_7Vw%40mail.gmail.com?utm_medium=email&utm_source=footer>. > > -- > You received this message because you are subscribed to the Google Groups > "[email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGHS_vF6a5wGUy1%2Bp2MPPWO52uyBxouqDSZZ58tWcCpuw0D1qA%40mail.gmail.com > > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGHS_vF6a5wGUy1%2Bp2MPPWO52uyBxouqDSZZ58tWcCpuw0D1qA%40mail.gmail.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "[email protected]" group. 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