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Re: [Discuss-gnuradio] USB 2.0 extenders

From: yyzhuang
Subject: Re: [Discuss-gnuradio] USB 2.0 extenders
Date: Wed, 6 Aug 2008 15:04:36 -0700 (PDT)

BTW, when is USRP2 coming out?

Marcus Leech wrote:
> I've been looking into USB 2.0 range extenders recently, in support of
> my big-dish radio astronomy project.  There's a company called
>   ICRON that has a Ranger 2101 product that allows you to extend USB 2.0
> up to 100M with Cat5e cable, and it's about $300.00.
>   This is roughly half the cost of "traditional" extenders that used
> fibre optics to extend USB 2.0 over significant distances.
> So, for anyone who'd really like the USRP right next to the antenna,
> something like this might be of use:
> http://www.icron.com/products/usb_new/usb20_ranger_2101_2104.php
> Now, I realize that the USRP2 will be using GigE, which will allow
> similar distances, but there are advantages to using the
>   USRP1--like the dual daughtercards (we decided to go dual-polarization
> on our radio telescope project, so the USRP1
>   fits the bill nicely).
> Cheers
> Marcus
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