hi neil, if you want to sample your band with breaking it up into sub-bands, there are a few samplers at 60 Gsps and beyond.
vadatech has a pricy 8 bit 56 Gsps ADC board. jpl and jonathan kocz got one, but i don't think they've had a chance to play with it yet. intel recently demo'ed a 64 Gsps 8 bit ADC, but i don't think it's available yet. best wishes, dan On Fri, Mar 19, 2021 at 1:46 PM salmon.na via casper@lists.berkeley.edu < casper@lists.berkeley.edu> wrote: > Hi Dan, > > > > Thanks for those great options. Those sampling rates are the sort that I’m > looking for. I can probably operate with a smaller RF band to start with, > to make the task a little less difficult. > > > > Hi Francios, > > > > Thanks for helping out here. I don’t have academic licences but I could > buy a commercial Mathworks licence. However, I tend to use Python now in > place of Matlab, so does the CASPER technology work also with Python? If so > would I need to buy a licence to use the CASPER hardware with Python, any > idea of costs? (no way am I anywhere near a product it’s all pretty much a > research activity, profit is nowhere in sight, stay afloat if lucky) > > > > Many thanks to you both for help. > > Best wishes, Neil > > > > *From:* Dan Werthimer <d...@ssl.berkeley.edu> > *Sent:* 19 March 2021 17:41 > *To:* CASPER Mailing List <casper@lists.berkeley.edu> > *Subject:* Re: [casper] quantum entanglement sensing using high-speed > digital sampling and cross-multiplies > > > > > > > > hi neil, > > > > there's a quad 16 Gsps 4 bit ADC FMC board developed by CFA/Smithsonian > that connects to a VCU128 FPGA board that might be useful for your work. > > the analog bandwidth of the ADC doesn't get up to 30 GHz, so you'd have to > mix down your band before digitizing. > > you could break your 20 GHz band up into three pieces of 6.6 GHz each > (using analog mixers and filters), and use three of the four ADC's on the > board, > > or break it up into four pieces of 5 GHz each and use all four ADC's. > > > > another, less expensive solution is to break your 20 GHz band up into > eight pieces of 2.4 GHz each, (and loosing a bit of the 20 GHz), > > then you could use a ZCU208 octal 5 Gsps 14 bit ADC/FPGA board. > > > > best wishes, > > > > dan > > > > > > > > > > > > On Fri, Mar 19, 2021 at 3:57 AM Francois Kapp <francois.k...@ska.ac.za> > wrote: > > Hi Neil, > > > > Second question first - you can access CASPER technology from anywhere. > The software licensing may be different if you do not get academic > discounts from Mathworks, and Xilinx may also charge you something > depending on your exact situation. Both companies are generous to academic > users. > > > > Regarding CASPER technology that you could use - there is work towards > sampling those bands, but I don't think it is quite integrated into the > flow yet. I know there are people on the list working on high sample rate > converters that can get to your sample rate with the right number of bits. > I am less certain of the analog performance out to 30GHz, but hopefully > others can add to this. > > > > The processing should be covered by existing library elements. > > > > Regards, > > Francois > > > > On Fri, 19 Mar 2021 at 12:33, salmon.na via casper@lists.berkeley.edu < > casper@lists.berkeley.edu> wrote: > > Dear All, > > > > Would it be possible to access Casper technology for research into quantum > entanglement sensing for the micro/mm-wave band? > > > > To explore some sensor concepts I’d be looking to make 4-bit sampling of > radiation in the band 10 GHz to 30 GHz at something like 10 Gsps. I’d need > to digitise on 4 channels (Hs, Vs, Hi, Vi) where H and V are the horizontal > and linear polarisations of the radiation. Then I’d need to make four > non-conjugated cross-multiplies and accumulates to create <HsHi>, <HsVi>, > <Vs,Hi> and <VsVi>. > > > > Is there Casper (or other) technology that could be used for this? Is it > possible to access Casper technology for research outside of universities? > > > > Many thanks, Neil > > -- > You received this message because you are subscribed to the Google Groups " > casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/006001d71cab%243b099cb0%24b11cd610%24%40tiscali.co.uk > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/006001d71cab%243b099cb0%24b11cd610%24%40tiscali.co.uk?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups " > casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAB4_c0p9HiOwrQdNyR_zFWmmhUe%2BBMBzpVGXoAN2cF2s36Cgbg%40mail.gmail.com > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAB4_c0p9HiOwrQdNyR_zFWmmhUe%2BBMBzpVGXoAN2cF2s36Cgbg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups " > casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGHS_vG34snVbgh424Tb_%3DvsvAYPgHYL%2Bxdy8vbKQsjY96ys-w%40mail.gmail.com > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGHS_vG34snVbgh424Tb_%3DvsvAYPgHYL%2Bxdy8vbKQsjY96ys-w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups " > casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/000c01d71d00%24ee233810%24ca69a830%24%40tiscali.co.uk > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/000c01d71d00%24ee233810%24ca69a830%24%40tiscali.co.uk?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "casper@lists.berkeley.edu" group. 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