05-07-2020, 08:54 PM
It's against the spirit of the project somewhat, but what about a 6AL5 / EB91 / D77 double diode, just as a trial?
Obviously it'll need a heater supply. But as thermionic diodes have an absolutely fantastic ratio of forward:reverse resistance, better than any Ge or Si device, it would be interesting to try. With, of course, the Mike Watterson grid leak!
Obviously it'll need a heater supply. But as thermionic diodes have an absolutely fantastic ratio of forward:reverse resistance, better than any Ge or Si device, it would be interesting to try. With, of course, the Mike Watterson grid leak!
