I can't help but think that with the design issues piling up, that we
should rethink the second video head.
Pin budget problem for the FPGA.
Unresolved connector issues.
Cost issues.
Cable impedance issues.
Market demand questions.
So, it appears to me that we should not offer the 500 MSPS head on the
first board. We would be better to just offer two 330 MSPS heads with
DVI connectors and the TV output. This would mean that we would have
sufficient pins to offer 10 bits per color for both heads. We know that
there is a market for this feature.
I also wonder if these 50 ohm high resolution monitors are currently
being sold and if there are many people using them.
OTOH, it appears that there would be a demand for 10 bit per color
RAMDAC for color correction.
If we determine that there is a sufficient market for 500 MSPS video,
then we could offer it on the production board as a second board (or an
external box) connected by LVDS over a cable. If we are committed to
using the LVDS transmitters, there is no need to have the 500 MSPS video
to develop the FPGA and software.
--
JRT
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