Hi Matt, As far as we know the part has not been released commercially. I suspect if it has not happened by now, it is unlikely to happen.
Regards, Francois On Wed, Feb 29, 2012 at 5:11 AM, Matt Dexter <[email protected]>wrote: > Hi all, > > Is there any news w/ regard to the 4 GSPS version of the > KatADC using the uptested Natl Semi S7002396 ADC IC ? > > Are people using them with Roach2 or other hosts ? > Cost ? > > Thanks, > Matt > > On Wed, 1 Jun 2011, Dan Werthimer wrote: > > >> >> hi tom, >> >> >> regarding pushing the KatADC from 2*1.5 Gsps to 4 Gsps: >> >> it will be difficult, perhaps impossible, to >> move 4 Gsps 8 bit ADC data through a single zdoc connector >> into roach I. each of the 32 bit lvds lanes would >> have to operate at 1 Gbit/sec, and we've never >> tried that on Roach I. the most we've achieved >> is 750 Gbit/sec per LVDS pair (using the 3 Gsps ADC board). >> >> we've interleaved a pair of these 3 Gsps ADC's to >> get 6 Gsps, using both ZDOC connectors on roach I. >> >> on roach II, it should be possible to input 1Gb/sec >> on each LVDS pair (you'd probably want to clock the FPGA >> at 500 MHz and use DDR inputs), and then you >> could get a 4 Gsps 8 bit ADC on each ZDOC connector. >> >> best wishes, >> >> dan >> >> >> >> >> >> >> On 06/01/2011 12:11 PM, Francois Kapp wrote: >> >>> Hi Tom, >>> >>> The 4GSPS version of KatADC is based on an "up-tested" version of the >>> ADC08D1520, which is designated S7002396. It is unclear whether this >>> will be released as a commercial product by National - a few inquiries >>> to them couldn't hurt the cause. So far we have only received the >>> one. The rest of the board is the same as the wide-band front-end >>> KatADC version, which is the standard version that Mo builds (i.e. >>> with BOM: http://casper.berkeley.edu/**wiki/images/7/71/KATADC1.3BOM_** >>> HF_Build.pdf<http://casper.berkeley.edu/wiki/images/7/71/KATADC1.3BOM_HF_Build.pdf> >>> ). >>> >>> If you can extract a chip from National it should be a simple matter >>> to get one built. >>> >>> Regards, >>> Francois >>> >>> On Wed, Jun 1, 2011 at 8:26 PM, Tom Kuiper<[email protected]> wrote: >>> >>>> On 06/01/2011 11:19 AM, John Ford wrote: >>>> >>>>> >>>>>> I'd like to know more about this ADC on the hardware wiki page under >>>>>> KatADC: >>>>>> >>>>>> Dual 8-bit 2.0GSPS (or Single 8-bit 4.0GSPS), National Semiconductor >>>>>> ADC08D1520/S7002396 ADC, RF Front-End >>>>>> >>>>>> However, the KatADC page doesn't seem to have any information about >>>>>> it. >>>>>> Can someone direct me to or send me information about this? >>>>>> >>>>>> >>>>> Hi Tom. The data sheet's linked here: >>>>> >>>>> http://www.national.com/ds/DC/**ADC08D1520.pdf<http://www.national.com/ds/DC/ADC08D1520.pdf> >>>>> >>>>> >>>> That's the original 3 Gsamp/s version. I was asking about the 4 Gsamp/s >>>> version (see the /S7002396?). This data sheet probably predates the >>>> newer >>>> version. >>>> >>>> Cheers >>>> >>>> Tom >>>> >>>>> >>>>> From >>>>> >>>>> https://casper.berkeley.edu/**wiki/KatADC<https://casper.berkeley.edu/wiki/KatADC> >>>>> >>>>> John >>>>> >>>>> >>>>> >>>>>> Many thanks, >>>>>> >>>>>> Tom >>>>>> >>>>>> -- >>>>>> I or me? >>>>>> http://www.oxforddictionaries.**com/page/145<http://www.oxforddictionaries.com/page/145> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> >>>> -- >>>> I or me? >>>> http://www.oxforddictionaries.**com/page/145<http://www.oxforddictionaries.com/page/145> >>>> >>>> >>>> >>>> >>>> >>> >>> >>> >> >> > -- Francois Kapp Sub-system Manager Digital Back End meerKAT SKA South Africa Third Floor The Park Park Road (off Alexandra Road) Pinelands 7405 Western Cape South Africa Latitude: -33.94329 (South); Longitude: 18.48945 (East). (p) +27 (0)21 506 7300 (p) +27 (0)21 506 7360 (direct) (f) +27 (0)21 506 7375 (m) +27 (0)82 787 8407
