[USRP-users] TX Image rejection B210

Marcus D. Leech mleech at ripnet.com
Mon Apr 13 09:49:26 EDT 2015


On 04/13/2015 09:33 AM, Sebastian Held wrote:
> I updated my UHD today to the newest maint.
>
> The problem was in fact the master clock rate. I had to change it from
> the default, because of the sample rate. After that I forgot about it.
> Increasing it to 40 MHz, my OFDM signals now pass the spetrum mask! (I
> did not check with the sinusoids again, will do this tomorrow).
>
> One problem remains: how to select the best master clock for a specific
> sample rate?
>
> Sebastian
>
> Am 13.04.2015 um 15:24 schrieb Marcus D. Leech via USRP-users:
>> What version of UHD are you using?
>>
>> Have you tried specifying a master clock rate that is a multiple of
>> your (10Msps in your example) sample rate?
Actually, in the latest UHD, if you don't specify a master clock rate, 
UHD will pick an appropriate one.





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