On Fri, 2006-03-17 at 17:18 -0700, James Richard Tyrer wrote:
> Timothy Miller wrote:
> > On 3/17/06, Dieter <[EMAIL PROTECTED]> wrote:
> > 
> >>> Perhaps we'll have to wait for the next generation product before we
> >>> can do these things.  Only then will we be trying to get good game
> >>> performance anyhow, where things like gamma 1 matter, requiring more
> >>> bits per channel.
> >> Games?  Graphic artists seem to be the main users demanding color depth
> >> and calibration.
> >>
> > 
> > Good point.  We would like to support those people.  I'm convinced. 
> > So now, how do we do it?  :)
> > 
> 
> As I said before, you need all of the data inputs of the DACs connected 
> to the FPGA.  IIUC, we are short on pins.  The problem here seems to be 
> the LVDS signals that take 2 pins each.  I don't see 0.5 GHz signals 
> driving long traces as a good idea.  They would have to be strip lines 
> terminated at both ends.  LVDS drivers would work and we would probably 
> gain some advantages compared with using the FPGA to drive the LVDS 
> lines, but that is going to be another $30 or so to populate the HiRes 
> output for 12 bits.
> 

What about being really radical & stealing the low bit each from red &
green giving them to blue? (From memory the eye is way more sensitive to
blue than red/green).

H



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