Re: [Discuss-gnuradio] transmitting gain in usrp sink

[Ankit Kaushik]

Am 17.06.2013 19:49, schrieb lingeswar kandregula:
> hi community,
>
> i wondered how the USRP is transmitting the signal even if i set the 
> transmitting gain to ZERO.
ZERO is 0 dB scale...

> and same as the case with receiving section. what does setting gain in 
> USRP sink will do ? and what is this gain referred to? is it just to 
> set the PGA's gain or something different. please help me..
http://files.ettus.com/uhd_docs/manual/html/dboards.html
Assuming you have the XCVR daughter board and the receiver end. For a 
given gain setting, e.g, 50 dB, the uhd itself decides and divides the 
gain between VGA and LNA.
> thanks,
> lingeswar.
Ankit