Re: [Discuss-gnuradio] USRP2 to capture 50MHz

[Johnathan Corgan]

On Wed, Apr 14, 2010 at 16:26, Faisal Khan <address@hidden> wrote:

> I am using a RFX2400 card and wanted to use USRP2 to sample a BW of 50MHz,
> in ISM band. If I am correct, by default, USRP2 uses a total of 32
> bits/sample (16 bit I and 16 bit Q). For looking at a BW of 50MHz, I would
> need 50MS/s which will be equal to 50MS/s x 32 bit/sample = 1600Mbps. This
> is beyond the limit of Gbit Ethernet. Is there a way I can use 8 bit
> samples, and use a decimation by 2 to capture 50MHz. If yes, what steps do I
> need to follow to achieve these two things. Just to mention it, I am using
> usrp_rx_cfile command.

This is indeed possible in principle, but would require some
moderately complex changes to the USRP2 FPGA code, firmware, and host
code to support.

Johnathan