Re: [Discuss-gnuradio] Custom Spectrum Analyzer Block ?

On 04/27/2012 07:53 AM, William Pretty Security wrote:
> Hello Group;
>
>
>
> I am wondering if anyone has a custom spectrum analyzer block or can tell me
> how to build one ??
>
>
>
> I know that GRC comes with the "FFT GUI Sink", but that is just what it
> sounds like.
>
> What I am looking for is a spectrum analyzer type display, where you can set
> a start-stop frequency or
>
> a center frequency and bandwidth. (Obviously, within the constraints of
> nyquist.).
>
>
>
> A peak search would be handy, but not absolutely necessary.
>
>

That would be nice. But none of the GUI sinks have a peak search feature
(peak hold though).

>
> Any ideas or suggestions out there ???
>
>

Well, as far as the tuning part, you could put this together pretty
easily in GRC with a couple of widgets for parameter entry.

There is also such an app installed with gnuradio in your system path
called uhd_fft

-josh

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