Matt Ettus wrote:
>
> On 11/12/2010 08:32 AM, tom_wgs wrote:
>>
>> Hi all
>>
>>
>>...
>>
>>
>> What phase noise improvements are seen in the new DBSRX2 daughter boards?
>
> The DBSRX2 has much better close in phase noise, so it will improve on
> this. However, I think what you are seeing with the original DBSRX
> should look better than that. Can you do an FFT of each input signal
> and send a link to them? I think you might see a lot more noise on one
> than the other, indicating a problem with one board.
>
> Matt
>
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>
Attached are 2 FFT plots one for each of the receivers. The plots are of
the same data used to create previous images.
http://old.nabble.com/file/p30202581/fft_reciever-A.jpg
http://old.nabble.com/file/p30202581/fft_reciever-B.jpg
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