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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Matching impedance of CD player data lines. posted by pkell44 on April 27, 2007 at 17:55:59:
The characteristic impedance also depends upon the track width and it's spacing from the ground plane, if any, and from stuff close enough for it to fringe to.I've got info on track Z and can dig it up for you if you wish, but I bet you can Google it up about as fast. Since matched busses are all the rage these days it should be easy to find.
Resistor wise I doubt that type matters, SMT parts tend to have good bandwidth because as they don't have lead inductance. If you've got a fast scope try looking at the signals and see if you can spot any reflections and ringing.
I've never looked at mine, didn't cross my mind. I'm curious why you are concerned, do you think it's causing jitter? Perhaps I should be worried about it too...
Good luck,
Rick
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Follow Ups
- Prop speed is ~ 1/2 C. - rick_m 20:22:38 04/27/07 (4)
- Re: Prop speed is ~ 1/2 C. - pkell44 18:21:38 04/29/07 (3)
- Re: Prop speed is ~ 1/2 C. - rick_m 00:23:01 04/30/07 (2)
- Re: Prop speed is ~ 1/2 C. - pkell44 19:09:34 04/30/07 (1)
- Re: Prop speed is ~ 1/2 C. - rick_m 20:38:29 04/30/07 (0)
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