[HARDWARE] Just Courious......
ze16408 at WCUVAX1.WCU.EDU
Thu Sep 16 16:32:35 EDT 1999
I would be intrasted in buying one of these
William J [on the road] Halverson wrote:
> I forwared this on to a guy in Campbell CA who does this for a living ... he certainly
> could do the
> entire design/program job himself ... he'd probably want someidea how many of these
> things people
> would want in an initial run.
> Besides the DES etc projects ... what about the new SETI program? Would this approach
> [dedicated FPGA]
> be interesting to folks involved with SETI?
> Robert Norton wrote:
> > Martin Harvey wrote:
> > > Jesper Monsted wrote:
> > > >
> > > > I think you'd get a lot more performance/price with a special RISC chip or
> > > > with a small celeron. Anything 32-bit would do, though (i tried coding it
> > > > for an Atmel 8-bit microcontroller, but it was dreadfully slow).
> > >
> > > What about using an FPGA? Perhaps some sort of Xilinx thingy? They're
> > > fairly cheap :-)
> > I think one of the larger Altera or Xilinx devices should hold the algorithm just
> > fine, along with a "next code" generator and a detect flag comparitor, so you'd
> > just put in a block seed code, and finally get a go/no-go for the block out. I
> > think you could build it onto a small plastic USB box, it can get its power from
> > the cable. The USB interface chips are only a buck, it would be much cheaper than
> > a PCI card with the PCI interface chips. No NRE costs for FPGA's, if somebody
> > invested the time (considerable) making the circuit, you could replicate the
> > boards for under $100 even in small quantity, I think. I thought about doing it,
> > but I'm not familiar with schematic capture for FPGA's, and I don't have any
> > tools.
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