On 14/07/2023 01:50, Jack Gallegos wrote:
I am trying to understand the OTW formats available on the X310. Does
it support signed complex 8-bit sampling (sc8 wire format) for a
receive stream? I am reading forum/listserv posts from ~2018 saying
X310 does not support it on account of the 10Gig link being enough to
stream at 200Msps @ 16 bit sampling, thus 8 bit sampling to get a
higher sample rate being irrelevant, but I wonder if that has changed
since then.
Jack Gallegos
That statement is still true. 10G "plumbing" (host NICs, etc) is quite
affordable these days, so there's little incentive to take
up room in the FPGA for doing the 8-bit scaling to double the
supported sample rates over 1GBE.
On 14/07/2023 01:50, Jack Gallegos wrote:
> I am trying to understand the OTW formats available on the X310. Does
> it support signed complex 8-bit sampling (sc8 wire format) for a
> receive stream? I am reading forum/listserv posts from ~2018 saying
> X310 does not support it on account of the 10Gig link being enough to
> stream at 200Msps @ 16 bit sampling, thus 8 bit sampling to get a
> higher sample rate being irrelevant, but I wonder if that has changed
> since then.
>
> Jack Gallegos
>
That statement is still true. 10G "plumbing" (host NICs, etc) is quite
affordable these days, so there's little incentive to take
up room in the FPGA for doing the 8-bit scaling to double the
supported sample rates over 1GBE.
