The output SNR will be utterly dominated by the inherent DAC noise. 

There’s a good article here:

https://www.analog.com/media/en/training-seminars/tutorials/MT-001.pdf

Sent from my iPhone

> On Nov 30, 2020, at 4:03 AM, Lukas Haase via USRP-users 
> <usrp-users@lists.ettus.com> wrote:
> 
> Hello,
> 
> Does anyone know what the *TX* noise figure (output SNR) of the UBX160 is?
> Roughly?
> For simplicity, can neglect phase noise and assume white noise floor.
> 
> In words, if I transmit a full-scale sinusoidal signal, what will be the 
> noise floor around that signal?
> 
> Of course, this will depend on TX Gain setting.
> 
> For example, a -3dBFS signal at TX gain 25 gives -3+25-5.56 = 16.44dBm. What 
> will roughly be the noise power (and hence SNR)?
> 
> Thanks,
> Lukas
> 
> 
> PS: Usually we are interested in receiver (not transmitter) noise but the TX 
> SNR can be relevant for self-interference.
> 
> 
> _______________________________________________
> USRP-users mailing list
> USRP-users@lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
_______________________________________________
USRP-users mailing list
USRP-users@lists.ettus.com
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

Reply via email to