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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: Zerodistortion, LM6172 and not reading App Notes.... posted by Thorsten on February 9, 2002 at 07:55:03:
Hi T,I know that! I didn't say that I totally agree with him. In fact, I always use at least a 10uF 'lytic with a 0.1 X7R SMD ceramic bypass. I'll always wonder why people forget that simple thing. One can add tons of cap. on PS rails to ground, but if one fail to add, like you say, a LOW INDUCTANCE, small form factor capacitor of quite material value, the IC will always see AC difference between rails and be instable.
It reminds me of bad copy of LM78xx that oscillate without a 10uF directly at the input. Or with a different length of trace between the 1uF and is output. Tricky stuff. Better buy real LM or LT. Anyway, they sound bad...
If I remember good, you use Siemens. I have to contact the Canadian Distributor soon, so did you have a specific serie that I should check? Mylar, PP?
Thanks,
Daniel Trudeau
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Follow Ups
- Re: Zerodistortion, LM6172 and not reading App Notes.... - eagle1 09:10:56 02/09/02 (2)
- Siemns Stacked Film Cap's - Thorsten 11:41:01 02/09/02 (1)
- Thanks T! Will try to put my hands on these yummies! NT - eagle1 12:29:34 02/09/02 (0)
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