Re: [Discuss-gnuradio] DBSRX status

[Lamar Owen]

On Wednesday 25 May 2005 19:03, Matt Ettus wrote:
> I am almost ready to declare the DBSRX board done.  Just to let you know
> how it's going, check out this picture:
>
>       http://home.ettus.com/dbsrx-screen.png
>
> What you are seeing there is an fft of a -100 dBm carrier at 2001.6 MHz.
>  You'll notice that there is over 30 dB of image rejection (about 35 dB
> actually) and the carrier is almost 30 dB stronger than noise in a 4kHz
> bandwidth.  If you do the math, this gives us a noise figure of less
> than 8 dB, before you account for the loss in my cables.

Good.

Now, where can I get the code for that version of USRP-FFT? :-)  Lots of nice 
sliders there.
-- 
Lamar Owen
Director of Information Technology
Pisgah Astronomical Research Institute
1 PARI Drive
Rosman, NC  28772
(828)862-5554
www.pari.edu