Re: [Discuss-gnuradio] bandwidth for USRP

[Charles Swiger]

On Mon, 2006-06-26 at 17:12 -0700, Matt Ettus wrote:
> >doesn't it look like the USB 2.0 is a heavily constraining bottleneck?
> >  
> >
> Yes, USB2.0 is the bottleneck.
> 
> >And, if I'm not wrong about this, will it be possible in the future to
> >have a USRP <--> PC interface which doesn't limit us so much.
> >  
> >
> Other than 802.11, there aren't many applications that require more than 
> 8 MHz of bandwidth.  Radio astronomy is one, but you can use fewer bits 


For what it's worth, here's an simple 1st attempt to make a montage
of 8MHz plots to show a wide band (240MHz of Galaxy 10R at 123W,
Ku vertical):

http://webpages.charter.net/cswiger/123w_3.jpg  (1MB)

The LNB lo is 10750M, so where it says "968" the actual f is 11718MHz,
etc. Using DBSRX. 

--Chuck