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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 at what point in the chain? posted by Ted Smith on March 4, 2007 at 11:53:17:
<< you definitely see things like input clocks and signals affecting local ground levels which in turn affect output clocks and signals on chips... >>So when the two boxes are connected with fiber-optic links, and the clock is in the DAC (running upstream to the transport), how in the heck can you explain that changing power cords on the transport could make any difference in the jitter?
I honestly can't think of any jitter-related explanation. So something is clearly going on here, but nobody knows what. At this point, I think that Peter Belt's explanations make as much sense as anybody else's...
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Follow Ups
- Re: Jitter at what point in the chain? - Charles Hansen 12:37:58 03/04/07 (22)
- Re: Jitter at what point in the chain? - Ted Smith 12:42:49 03/04/07 (21)
- We are not connecting here - Charles Hansen 15:41:44 03/04/07 (9)
- Re: We are not connecting here - Ted Smith 16:06:11 03/04/07 (8)
- Re: We are not connecting here - Charles Hansen 16:50:26 03/04/07 (6)
- Secret Jitter Path - John Swenson 17:25:20 03/05/07 (0)
- Re: We are not connecting here - Ted Smith 17:03:28 03/04/07 (4)
- Re: We are not connecting here - Charles Hansen 18:56:57 03/04/07 (3)
- Re: We are not connecting here - Ted Smith 19:43:51 03/04/07 (2)
- Re: We are not connecting here - Charles Hansen 21:15:11 03/04/07 (1)
- Re: We are not connecting here - Ted Smith 21:35:44 03/04/07 (0)
- Well spotted! - Christine Tham 16:36:13 03/04/07 (0)
- Logic induced modulation and jitter - Christine Tham 13:34:36 03/04/07 (10)
- Here are some other random jitter related pages - Ted Smith 14:17:46 03/04/07 (7)
- This is not a bad link, and not too technical - Christine Tham 14:20:32 03/04/07 (6)
- Nobody seems to take jitter seriously unless there is math in the paper :) [nt] - Ted Smith 14:31:18 03/04/07 (5)
- A question - Christine Tham 15:01:57 03/04/07 (4)
- Re: A question - Ted Smith 15:10:07 03/04/07 (3)
- Re: A question - Christine Tham 15:26:26 03/04/07 (2)
- Re: A question - Ted Smith 16:13:26 03/04/07 (1)
- Hey, nobody said it was going to be easy - which is why I'm not volunteering to design it :-) (nt) - Christine Tham 16:21:06 03/04/07 (0)
- Yep - Ted Smith 13:48:53 03/04/07 (1)
- Re: Yep - Christine Tham 14:17:23 03/04/07 (0)
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