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Lab power supply for testing tubes
Lab power supply for testing tubes
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Old 4th October 2012, 10:13 PM   #11
ruffrecords is offline ruffrecords  United Kingdom
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Join Date: Jun 2007
Location: Holt, Norfolk
You need to be extremely careful when you use this power supply because you are deriving dc HT output voltages from different taps of the same secondary windings. Although you bring out a separate 0V for each HT voltage, you must never connect any of these 0Vs together because that would lead to one winding of the transformer secondary being shorted via the bridge rectifiers.


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