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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: Jitter is often expressed as a percentage of clock period ... posted by audioengr on July 30, 2012 at 14:00:20:
The clock jitter we most need to reduce is the data-correlated type which is so prevalent in many of the transmission interfaces, and so it doesn't really matter how you measure it in relation to the clock period since it isn't related to clock timing. That said, clock averaging can be a very effective method of eliminating that incoming jitter, and it is based on dividing the high rate clocks down to very low frequencies, and then using the diff signal to regenerate "clean" sample clocks from a low phase noise VCXO.
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Follow Ups
- Agreed ... to an extent - slider 16:25:57 07/30/12 (0)
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