Power Supply Industry News Knowledge is Power ™




Original Message
Topic audio noise 
Author Azeem, electrophysics@hotmail.com 
Date 8/7/2008 12:02:14 AM 
Message
I have a problem with my smps. It creates audio sound when I power it up, especially at minimum load. As I increase the load then sound disappears and in some designs it is still there. I don't know what to do. It is a bottleneck for me. Anyone who knows what to do about it. I'm operating it at 50KHz which is well above audio frequency.
 
 

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