You'll be fine with DC. If you can't see a visible difference in brightness across the tube then it probably doesn't matter. People say there are lifespan issues with DC but I haven't seen that yet on my VFD clocks. I just use DC and bias the grid ~ -3vdc.
On Thu, Jun 15, 2023, 10:45 PM Richard Scales <rich...@scalesweb.co.uk> wrote: > Greetings all, > > I am starting to look at VFD displays and am reading all I can about them. > > I am trying to get a better understanding of the pros and cons of using a > AC filament drive rather than an DC one. > > I am aware that on larger displays (like those monster ones from Russia) > it is necessary in order to create a more even glow across segments. I > wonder however how important this is for smaller segments like those in > IV-22 for example. > > Making the filament drive AC adds a small degree of complexity but if the > difference is visible and beneficial then I'd like to go that way. > > My project would be direct drive, no multiplexing required. > > Any advice would be greatly appreciated. > > - Richard > > > -- > 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 neonixie-l+unsubscr...@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/37248fe9-3f82-4d36-be12-bdba154e7364n%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/37248fe9-3f82-4d36-be12-bdba154e7364n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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 neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CA%2BAY7RyKP7xiVZzeb-fp%2BXiPDcTFLF2-bHQKfS5A_qzjPNsG%3DA%40mail.gmail.com.
