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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.


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

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