[USRP-users] Master Clock Supression

mleech at ripnet.com mleech at ripnet.com
Fri Jul 17 11:10:04 EDT 2015


 

The UBX has shielding over the whole thing: 

http://www.ettus.com/product/details/UBX160 

If you're seeing clock spurs, it's because they're getting in the
antenna port, likely. 

What is your configuration--do you have an antenna right on the unit
itself, or at some distance? 

On 2015-07-17 11:03, devin kelly via USRP-users wrote: 

> Hello, 
> 
> I have an X310 with a UBX daughtercard. I've noticed that there are tones every 200 MHz (I checked 2.4GHx, 2.6 GHz, 2.8 GHz, 3 GHz, 3.2 GHz). Do I have any options for suppressing the tones? Is there any shielding or RF absorber I can add somewhere? 
> 
> The B210s seem to have each section of radio gated off (to make it easier to add shielding?). But the X310s don't as far as I can tell. 
> 
> Thanks for any help, 
> Devin 
> 
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> USRP-users at lists.ettus.com
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Links:
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