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Re: [Discuss-gnuradio] Ka-band using USRP

From: Nick Foster
Subject: Re: [Discuss-gnuradio] Ka-band using USRP
Date: Sat, 27 Nov 2010 12:50:40 -0800

On Sat, 2010-11-27 at 20:19 +0000, Abdalaleem Andy James Potter wrote:
> Dear All,
> What would be the best way of working with the Ka-band using the USRP?

Ka-band low-noise block downconverters (LNB) and block upconverters
(BUC) are available from several manufacturers. Most of these convert
signals to/from L-band (1-2GHz), which can be accessed with the WBX. You
can find them on eBay sometimes for "cheap". HughesNet uses Ka-band at
19.7-20.2GHz so you can find used LNBs for under $20 on eBay. BUCs tend
to be much more expensive.

> Could existing boards be used with some modifications to access 50Mhz
> of bandwidth in the Ka-band?

Accessing 50MHz of bandwidth simultaneously is possible with a USRP2
using 8-bit samples.


> Andrew
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