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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: High qualitiy Crystal Oscillator ! posted by ATam on August 12, 2001 at 07:24:47:
A better clock they say is a way to reduce jitter. Well, where does jitter come from? It come as a result of slow rise times in digital circuits. To improve risetimes you must improve the power and ground of the circuits. I start at the laser power supply (usually 5 volts). Then work towards the analog output by-passing every circuit (IC's mostly in todays units). At the crystall itself there are usually two small value caps of around 10 or 12pf. I change those to surface mount types. With every circuit by-passed with large value caps jitter goes way down. And I never added an expensive clock. I hope this helps, bobwire
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- Re: High qualitiy Crystal Oscillator ! - bobwire 10:06:49 08/13/01 (0)
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