30 Nov
2011
30 Nov
'11
10:38 a.m.
In article <4ED675E6.3080206 at philpem.me.uk>,
Philip Pemberton <classiccmp at philpem.me.uk> writes:
On 29/11/2011 23:48, Chuck Guzis wrote:
Since ST-506 is a digital interface, is there any point to digitizing
the digital signals as if they were analog signals?
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Phil, what are you using for your sample rate?
I'm thinking that
30MHz might be adequate for the job, since hard drives don't seem to
have the ISV issues that floppies do.
The current DiscFerret firmware runs at 100MHz fixed, though I plan to
add a clock divider to allow e.g. 50MHz and 25MHz sample rates to be
selected (which would save a bit of acquisition memory when imaging
floppy discs).