Hi Page,

When you say "I can reliably capture 400-500k samples sized files", do you
actually mean 400-500 *kilo**byte* sized files?

Using tips received from yourself and others, I can now capture around 800
kilobytes of data before I see any overflows.  This is equivalent to:

   - 100 kilosamples on 1 channel at 50 Msps
   - 50 kilosamples on 2 channels at 25 Msps

Regards,
Brendan.



On Sat, Apr 3, 2021 at 11:59 PM <pagehel...@gmail.com> wrote:

> Ken and Branden, I have UHD running on a Raspberry Pi 4 B 8Gb. It was a
> quite tedious install. It wasn’t missing 4-5 dependencies, but 20-30. It
> took me 2 weeks, 8-hours a day to figure this out. I am operating on the
> Raspberry Pi OS (formerly called Raspian). And, of course, as they upgrade
> the OS, this process will only be good for a short period of time.
>
> One caveat; the pi USB 3.0 interface can’t quite keep up with the B-210
> and I get an overflow when capturing 20MSPS on 2 channels at about 500k
> samples. I don’t know if this is hardware or software, but if anyone knows
> of a solution, I’m all ears. Having said that, I can consistently and
> reliably capture 400-500k samples sized files.
>
> I’d be happy to share the install instructions. They are lengthy. -page
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