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What's going on in this circuit?

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03-15-2021, 04:40 AM

AlanInSitges AlanInSitges is offline

VideoKarma Member

Join Date: Nov 2017

Location: Sitges, Catalonia, Spain

Posts: 451

Yeah it seems like R47 should provide cathode bias on its own. I'm perfectly happy if the correct answer here is "it's a mystery", I mostly wanted to be sure it wasn't something that should have been obvious to me.

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