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Phil G4SPZ · 14th Sep 2018, 2:37 pm

Yes, I can see that. In my case I'm relatively lucky, in that my isolating transformer is actually a 160VA CVT, which saturates at much over half an amp and the output voltage at the isolated secondary winding collapses.

Such devices were commonplace and expensive in the early days of desktop computers. I was fortunate enough to be given mine!

14th Sep 2018, 2:37 pm	#5
Phil G4SPZ Dekatron Join Date: Apr 2005 Location: Bewdley, Worcestershire, UK. Posts: 4,748	Re: Lamp limiter plus Variac tip Yes, I can see that. In my case I'm relatively lucky, in that my isolating transformer is actually a 160VA CVT, which saturates at much over half an amp and the output voltage at the isolated secondary winding collapses. Such devices were commonplace and expensive in the early days of desktop computers. I was fortunate enough to be given mine! __________________ Phil Optimist [n]: One who is not in possession of the full facts