FT82-43 UnUn

FT82-43 UnUn Designs – Critique & Improvements

I saw one of these last week on the internet. It is a beautifully packaged FT82-43 UnUn that has a 2 turn primary and 14 turn secondary, the turns are spread out and has the magical bifilar primary. It was well made and looked pretty good. There is one problem. It is very inefficient. It …

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