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Ultra quiet DC supply +12/-12/+12?
Ultra quiet DC supply +12/-12/+12?
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Old 1st February 2008, 07:34 PM   #11
phrarod is offline phrarod  United States
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Thanks Martin!
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Old 1st February 2008, 07:36 PM   #12
jwb is offline jwb  United States
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Martin, that's a very insightful article about the LM317. Have you looked at the new LT3080 regulator? It's designed have the reference pin driven be either the classic resistor, or with a zener, or a voltage reference, or even driven actively. Very cool, and achieves what you're talking about with the REF resistor on the LM317.
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Old 1st February 2008, 09:05 PM   #13
martin clark is offline martin clark  Europe
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No, I hadn't seen that, thanks for the heads-up
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Old 10th January 2011, 01:33 PM   #14
jackinnj is offline jackinnj  United States
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Ultra quiet DC supply +12/-12/+12?
Peranders (Sjostrom) regulators are among the quietest I have tested -- using the AD797 or LT1028.
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