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Re: [Discuss-gnuradio] DBSRX status
From: |
Lamar Owen |
Subject: |
Re: [Discuss-gnuradio] DBSRX status |
Date: |
Wed, 25 May 2005 21:34:13 -0400 |
User-agent: |
KMail/1.8 |
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