Oops, I didn't answer Rio's question. As long as you are doing the
reclocking in the DAC the jitter in the SB doesn't matter much. This
means you can use horrible transmission technology to get the MCLK into
the SB and as long as it can see some vestige of a square wave it will
work fine. My first attempts at this just used a simple piece of ribbon
cable about two feet long with no termination or impedance control at
all. I just used a 74HC08 (I had one on hand) to buffer the signal to
the SB so the horrendous reflections etc on the cable wouldn't be
affecting the clock inside the DAC. 

Even with that very bad signal the SB took the clock just fine and the
analog outs even sounded better. That surprised me, I was expecting
that the simple connection would introduce more jitter than the
internal crystal. It sounds like even so it was lower jitter anyway. 

John S.


-- 
JohnSwenson
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