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20th March 2008, 07:54 PM
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#1 |
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diyAudio Member
Join Date: Mar 2006
Location: düsseldorf
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LM7915 oscillation ?
I#ve always problems with stability of 7915 voltage regulators.
(HF oscillation) Are there better manufactures. The positive 78xx types always runs fine,why ? What is the best output cap to get these things working. Thanks |
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20th March 2008, 08:01 PM
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#2 |
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diyAudio Member
Join Date: Feb 2008
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First, always load the regulator with a few mA (1.5k/0.5W resistor on output will do)!
Then do not forget to bypass the input terminal with a 100nF capacitor. |
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