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Re: [Discuss-gnuradio] Cannot run FM radio either

From: West, Nathan
Subject: Re: [Discuss-gnuradio] Cannot run FM radio either
Date: Tue, 10 May 2016 17:48:34 -0400

You're misunderstanding sampling. A couple of things:

1) Your signal source has a "sampling frequency" of 5MHz and you are asking it to generate a cosine with frequency 96.5 MHz. If you've had a DSP or linear systems class thing back to nyquist (damn kentucky derby means googling for nyquist is now full of horses)
2) Let's say you tune the USRP to 96.5MHz and there's a station there. What do you expect the received spectrum to look like? For a hint look up complex baseband.

Also, it helps people help you if you explain what you expected and what actually happened.

On Tue, May 10, 2016 at 4:50 PM, Vinit Shah <address@hidden> wrote:
I have been trying to run basic FM radio tutorial using USRP n200 but I cannot even do that. Attached is the png file of my flow graph, I do not understand what is wrong here.

I also tried to check spectrum usingĀ  waterfall sink but no significant results
Please guide me here.

-Vinit Shah

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