[USRP-users] Change gain while running

Ulrika Uppman ulrika.uppman at foi.se
Tue Feb 28 12:09:15 EST 2012


Thank you for your reply. Do you know if it is possible to observe the total gain after AGC or if it is possible to turn the AGC off? It could be interesting to know.

> -----Original Message-----
> From: Marc Epard [mailto:mepard at me.com]
> Sent: den 27 februari 2012 14:43
> To: Ulrika Uppman
> Cc: Nick Foster; usrp-users at lists.ettus.com
> Subject: Re: [USRP-users] Change gain while running
> 
> On Feb 27, 2012, at 1:03 AM, Ulrika Uppman wrote:
> 
> > I did some more simple tests transmitting a signal with a spectrum analyzer
> connected to the tx antenna port. It seems that when setting the gain value
> below 8, no change can be observed on the output signal. But it works just
> fine with all gain values above 8!
> 
> The WBX has a transmit AGC which has confused us several times. Perhaps it
> is interfering with your results.
> 
> -Marc





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