Re: [Discuss-gnuradio] usrp2 gain question

[Eric Blossom]

On Mon, Jul 20, 2009 at 12:54:20PM -0400, Zhenhua Gong wrote:
> Hello,
> 
> I am now using USRP2. I met a problem of setting a gain. When I call the
> function u.set_gain(option.gain), it seems it does not work. The gain range
> shows up to be [0.0  0.0  0.0]. The code works with USRP1. My gnuradio
> version is 11422. I can set gain using command usrp2_fft.py -g 80 but not
> with my own code. Thank you for your help.
> 
>      Sincerely
> 
> Zhenhua Gong

The gain ranges are different on the USRP1 and USRP2.

Call gain_range on the USRP2 with your daughterboard installed.

Eric