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Re: magnetrons as diodes

Original poster: Ed Phillips <evp@xxxxxxxxxxx>

If you use the original microwave oven transformer, you can use the filament winding to heat the cathode like in the original configuration, and the case would be the anode of the diode. If the magnets were removed, I don't think the cavities inside would resonate, so I don't think microwaves would be produced. "

Absolutely right on both counts. Don't know what the voltage drop will be though. Certainly more than a string of 1N4007's or something like that but might be usable. Easy to tell by energizing the heater and measure the voltage drop vs current with a DC supply.