[Discuss-gnuradio] A low-budget SDR - Was: PCIe know-how?

[ceriel]

On 3/5/07, Brian Padalino <address@hidden> wrote:
> On 3/5/07, address@hidden <address@hidden> wrote:
> > I've been thinking about this since yesterday. With a lower resolution
> > like Brian suggested the data would fit over a Gigabit Ethernet link.
> > Further, GE carries 100 meters which would allow one to put the device
> > right at the antenna if one has a weatherproof enclosure. Supplying
> > power would be an issue still, but that's easily overcome.
> > With some simple compression one might be able to accommodate a higher
> > performance ADC aswell, but that's an issue I shouldn't need to bother
> > with using 12 bits and 65MHz...
>
> Power over Ethernet (PoE) can supply almost 13W of power (maximum).  I
> am not sure if that is really an option or being considered for the
> next USRP, but it is a potential solution for delivering power to
> remote devices.
>
>   http://en.wikipedia.org/wiki/Power_over_Ethernet
>
> > It's a solution superior to PCIe in every way.
>
> PCIe still has an advantage of much higher speeds and much lower
> latency.  On the flip side, you can't put it 100m away.

Yeah, I thought about PoE too, but I got the impression implementation
isn't that common. Or is it common? If it is, we'd once again save
some complexity and therefore money by using it.

I've set up a blog to begin collecting the ideas. Located here:

http://guerillasdr.blogspot.com/

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