Marcus Leech wrote:
Robert McGwier wrote:
The wideband engine, Mercury:
http://hpsdr.org/wiki/index.php?title=MERCURY
is almost ready to release and its accompanying transmitter Penelope
will follow shortly. BOTH of these boards will have ANOTHER Cyclone
II on them with almost 100% of their territory being devoted to
signal processing. Interface will be done in Ozy. This is a pretty
inexpensive big jump in processing capability.
Look at the prices on these boards that are already available. This
is very interesting to say the least. I do believe we will see
GnuRadio support for these boards as HPSDR has borrowed heavily from
GnuRadio on the USB 2.0 interface side.
Bob
The MERCURY board looked intriguing to me, but it's real-mode only,
which makes interfacing to a DC quadrature
receiver a bit awkward. For my application (radio astronomy)
getting the most bandwidth up to the PC where I
can "fiddle" with it is most useful. But I fully agree that an FPGA
is as legitimate a CPU to host SDR software as
a Pentium D :-)
I can't understand why everyone wants to build the same board. We do
this over and over and over again. We know the limitations of USB
(distance, bandwidth) so why do we continue down the same path. The
converters provide more resolution but 95% of the people here will
probably not benefit from that. The Gigabit idea sounds like a plan to me.
Ryan
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