|DIY Audio Projects Forum
|Hot reg and noisy switch mode PS
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|Author:||mwhouston [ 17 Jul 2008, 07:26 ]|
|Post subject:||Hot reg and noisy switch mode PS|
I have had to build a new SMPS because the other kept over-heating and partially shutting down for a valve preamp. In the PS you wined your own auto-tranni.With a load on the tranni was very noisy and a 12V reg which feed filaments and the step up stages ran hot. It was not oscillating in the cables. I think the tranni may be shorting internally - any thoughts?
|Author:||Gio [ 17 Jul 2008, 16:40 ]|
|Post subject:||Re: Hot reg and noisy switch mode PS|
Is there a heat sink on the regulator?
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