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Re: [Discuss-gnuradio] Query: using the USRP in optical interferometry

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] Query: using the USRP in optical interferometry
Date: Tue, 12 Jun 2007 20:56:47 -0700
User-agent: Thunderbird (X11/20070326)

Richard wrote:
> Dear All,
> I've just joined this list, and I'm trying to find out whether a USRP
> could be used/modified in an unusual way.
> What we're trying to do is build an interface for a HAWAII Focal-Plane
> Array (basically, a 1 Mpixel CCD that is sensitive to the far
> Infrared, and works in Liquid Nitrogen) - the use would be for the
> COAST and MRO telescopes.

While this sounds like a very interesting project, the USRP might not be
the best choice.  It only has a 12-bit ADC which is not noise optimized
-- it is optimized for dynamic range.  That being said, you could use it
for testing and prototyping.


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