The tubes appear complete and intact inside. There is no grid in these tubes. I wonder if evaporated filament on the glass is acting like a grid?
The “bad” tube even have the same date code as all the good ones, so it doesn’t get any more close. // Per. > On 5 Apr 2019, at 19.14, gregebert <[email protected]> wrote: > > It's almost as though there is a floating grid in the tube. Can you see any > physical differences between good and bad tubes ? > > There isn't a specific grid pin for the DT1704 VFD; I have some large VFDs > that do have a grid, and it uses a surprisingly large current. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/7E103519-0E96-47A0-9B55-53C67018653E%40gmail.com. For more options, visit https://groups.google.com/d/optout.
