Re: [Discuss-gnuradio] QT Oscilloscope

[Rohit Garg]

excuse me for asking this, but what is the frequency and voltage range
for these basic RX/TX boards? I know these must be common specs, but
couldn't find them with a  _quick_ google search .

On 9/8/07, Ian Larsen <address@hidden> wrote:
> Your intuition is correct.  The Basic TX and RX boards allow this --
> they don't do any RF front-end processing.
>
> The Basic boards let you make the USRP into a poor man's oscope, with
> very limited voltage ranges on the input.
>
> -Ian
>
> On 9/7/07, Rohit Garg <address@hidden> wrote:
> > Hi,
> >
> > I am curious about what you have created. I imagine that you are
> > grabbing the signals with the ADC of the usrp when used as an
> > oscilloscope. If that is correct then it must be possible to use it as
> > a signal generator as well if you plucked the output off the DAC.
> >
> > More generally, has the usrp been designed to allow easy decoupling of
> > the RF frontend and to use it as a pure signal analyzer/generator?
> >
> > On 9/7/07, Ian Larsen <address@hidden> wrote:
> > > All,
> > >
> > > As part of some thesis research, I've made a stand-alone
> > > oscilloscope/spectrum analyzer that also shows AM and FM demodulated
> > > signals, using the gnuradio C++ libraries.  It uses QT, and the output
> > > looks very pretty, being anti-aliased and such.  You can also grab
> > > screenshots from it by pressing a button.  The sourceforge page is
> > > here:
> > >
> > > http://sourceforge.net/projects/usrposcope/
> > >
> > > and you can get the source via subversion.  Since (as far as I know)
> > > the C++ libraries don't support multiple daughterboards yet, this will
> > > only work with the BasicRX.
> > >
> > > It has fairly limited capability, but is a good intro for those who'd
> > > like to use the C++ libraries and/or would like to expand the
> > > functionality.
> > >
> > > -Ian Larsen
> > >
> > > --
> > > My PGP Public Key:
> > > http://www.scrapshark.com/pubkey.txt
> > >
> > >
> > > _______________________________________________
> > > Discuss-gnuradio mailing list
> > > address@hidden
> > > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> > >
> >
> >
> > --
> > Rohit Garg
> >
>
>
> --
> My PGP Public Key:
> http://www.scrapshark.com/pubkey.txt
>


-- 
Rohit Garg