[Hackrf-dev] HackRF hardware problems

[Paolo Mattiolo]

Thanks Doug for the informations,

I was waiting for a unit but I removed the order yesterday in favour of a
hermes-lite, that is closer to my needs.

Now, after your quick review, I'm happy for my new choice.

Paolo, IN3AQK


On Wed, Nov 26, 2014 at 4:46 PM, McDonald, J Douglas <jdmcdona at illinois.edu>
wrote:

>
>
> Several people have complained with HackRF problems, worrying if their
>
> unit is defective.
>
>
>
> I have the same worries. Mine clearly is nowhere near as good as
>
> the DVB dongles.  But it clearly works, no quibble. It works both in
>
> SDR#/Windows and Gnuradio/GRC/Ubuntu.
>
>
>
> But it is plagued by spurious spikes of near-CW stuff everywhere, even
>
> up in the upper GHz areas where there should be essentially nothing.
>
> It sees Wi-Fi fine ... but covered by these spurious carriers. And
>
> many of them are DIFFERENT in SDR# and Gnuradio. And using both
>
> they are dependant, both in amplitude and frequency, on the
>
> gain settings at the low gain end as well as the high gain end.
>
> That dependance at the low gain end implies to me that its is
>
> incorrectly dithered or some software problem.
>
>
>
> I bought it for the wide bandwidth for certain special purposes
>
> and it serves those purposes OK even in the presence of the garbage.
>
> But for general use, its a plain, and expensive, joke.
>
>
>
> Doug McDonald
>
>
>
> _______________________________________________
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>
>


-- 
Paolo Mattiolo
Software developer

http://www.mattiolopaolo.com
blog: http://in3aqk.blogspot.it/

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