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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: TL431 noise performance posted by Ola on October 31, 2001 at 00:57:14:
A zener is used in the reverse breakdown mode.At low currents this is very noisey.The TL431 uses the voltage from a forward biased diode as a reference to drive a shunt transistor.Much quieter.LM385 and LM4050 are some similar parts.
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Follow Ups
- Re: TL431 noise performance - djk 01:12:03 10/31/01 (1)
- Thanks a lot! - Ola 07:48:46 10/31/01 (0)
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