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I started playing around with Vacuum Tube Pentagrid/Heptode devices. The 6BE6, 6CS6 and EH90 models I found seem "functional" during DC tests but I'm struggling to get a Pentagrid/Heptode Mixer/Oscillator working. The EH90 simulations are the most promising.
Ultimate goal is to simulate a 5-tube AM radio, the AA5. It was a big surprise to find out 455KHz IF transformers have low coupling factor, K.
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I started playing around with Vacuum Tube Pentagrid/Heptode devices. The 6BE6, 6CS6 and EH90 models I found seem "functional" during DC tests but I'm struggling to get a Pentagrid/Heptode Mixer/Oscillator working. The EH90 simulations are the most promising.
Ultimate goal is to simulate a 5-tube AM radio, the AA5. It was a big surprise to find out 455KHz IF transformers have low coupling factor, K.
Vacuum_Tube_Pentagrids.zip
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