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Originally Posted by old_coot88
Dang, you are right amigo. And i am wrong for coming up with an alternative circuit that obviously doesn't work.
Oh man. Sorry as hell.
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No problem, it's a learning process. I've been there.
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One thing that's still puzzling though, the resonant tank caps (C6a, b, and c) are now in parallel with the low impedance coil winding, whereas in seems like they should parallel the high impedance winding (as was the case in my "alternative" circuit).
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The high impedance winding should be connected to the resonant tank caps. And the low impedance winding should be in the tube plate circuit. Best to rewire to make it this way, and leave enough wire so you can swap the connections on one of the windings, if it doesn't oscillate.