Re: [Discuss-gnuradio] re: Low cost hardware option

[Marcus D. Leech]

On 01/12/2011 10:46 PM, Brian Padalino wrote:
>
> Agreed on PCIe, though I think less platforms have USB3.
>   
Almost certainly the case right now.
> When speaking of noise at baseband (2V driving 50Ohms), assuming you
> have a little can over the analog bits, is the noise that high?
>
>
>   
Not sure--somebody should take some measurements.

I'm increasingly liking the approach where you "demarc" at the digital
output of the ADC that I suggested
  earlier where you terminate in something like a LPC-FMC connector or
something equally
  convenient, which allows you to adapt to various "getting bits to the
host" approaches.  Including:

     o 1GiGe
     o USB-2.0
     o USB-3.0
     o PCIe

But maybe that's the road to *more* expensive, not less (although cost
is only ONE of the factors
  of a project like this).





-- 
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org