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Robert Baer[_3_] Robert Baer[_3_] is offline
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Default Shunt Reg issues (TL431) found in some TRIPP LITE UPS.

Samples of the "N" peak in a shunt regulator attached.

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Re: Shunt Reg issues (TL431) found in some TRIPP LITE UPS.-lm285t168-gif  Re: Shunt Reg issues (TL431) found in some TRIPP LITE UPS.-lm285t171-gif