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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: Just strip the clock and regenerate posted by fmak on October 25, 2009 at 23:41:27:
Fred,
Any clock that is variable is in a sense adding jitter. Not to mention that is so much easier to make a fixed oscillator with low jitter as compared to a moving one.
Take a look at some of the great discrete VCXO's and they are lucky to get below 10ps of jitter which would equate to at least 158ps of jitter on the Word Clock.
Heck you can get fixed clocks for less than a $1 that have really good jitter below 10hz that are at least 10x better than any VCXO.
If you talk frequency synthesizers then they are even worse... but remember a lot of the best VCXO's don't have the pull range required for audio.
Thanks
Gordon
J. Gordon Rankin
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Follow Ups
- Fred a fixed clock will always kick the crap out of variable one. - Gordon Rankin 05:16:01 10/26/09 (1)
- RE: Fred a fixed clock will always kick the crap out of variable one. - fmak 07:50:31 10/26/09 (0)
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