Re: [Discuss-gnuradio] cheap sdr platform

[Andrew Back]

On 06/10/17 05:57, Getz, Robin wrote:

> For example LimeSDR (sheet 5)
> 
> https://github.com/myriadrf/LimeSDR-USB/raw/master/hardware/plug/1v4/Project%20Outputs%20for%20LimeSDR-USB_1v4_LMS031pad/LimeSDR-USB_1v4_schematic_r7.PDF
> 
>  
> 
> Have Tx connectors which are spec’ed for 30MHz – 1.9 GHz – with no
> filtering  - my guess they will blast out the same that I was showing –
> if anyone starts looking. (I haven’t got one yet, so I don’t know for sure).

Just to note that this marking was associated with prototype boards and
needs to be updated.

> Radios which are not this that class – and can be connected in harsh
> environments, or directly to amps, are like:
> 
> https://files.ettus.com/schematics/e310/e310_db.pdf
> 
> Those complex filter banks on the Tx/Rx sides are not there because some
> over eager hardware developer. J

Indeed and I believe a low cost, add-on filter board the LimeSDR is also
planned.

Regards,

Andrew

-- 
Andrew Back
http://abopen.com