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Re: [Discuss-gnuradio] Re: "Open-Hardware"

From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] Re: "Open-Hardware"
Date: Wed, 12 Jan 2011 18:17:22 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7

By the way, USB3 is now hitting the mainstream, with PCI boards,
motherboards, disk drives and USB sticks from all the major vendors.
It provides a significant bandwidth boost over USB2 (it's designed for
3Gbits/sec, both ways simultaneously).  This would be very useful to
any newly designed USRP-like device.
I agree that it's worth considering, I think it has extended range as well. Competing very firmly with

I haven't investigated what chips could replace the EZ-FX2 in a USB3
USRP.  Oddly, the Cypress site seems to know nothing about USB3


Yes, I found that same thing. Seems odd that Cypress wouldn't be one of the front-runners for

I will point out that one of the enticing things about 1GiGe is that you can run it over extended distances. Which for me is very interesting, since you could put a receiver at each antenna (think Alan Telescope Array), and haul signals back via 1GiGe. With USB-2.0, you can't do that without a funky device like the ICRON Ranger series (which inside, just re-packages USB-2.0 over 1GiGe, as far as I know).

Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium

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