Just curious, what's the filament voltage? 27VDC? And what's the HV?
~ *mcvei...@gmail.com <mcvei...@gmail.com>* On Thu, Oct 1, 2020 at 5:24 PM Paul Andrews <judge2...@gmail.com> wrote: > Yes, they do look very nice. > > On Oct 1, 2020, at 4:44 PM, jörg <post...@gmail.com> wrote: > > Short update of my nimo project. > I've got 5 tubes running. The sixt is unfortunately DOA. > The tubes filaments are driven with three power supplies, with soft start > IC (load switch). > So the filament gets started very smooth. > I've made some experiments with multiplexing the tubes. > Which work nice, using the method described in the manual. The bias > voltage is changed for every tube, that should be on/off. > In the actual approch, I'm using direct driving the tubes via 74HC595 > shift registers. Got a plenty of problems at the beginning. > The power and signal lines for the 595 were messed with switching noise. > Some caps did the trick. > Really nice to view the working tubes. > > Video: https://www.youtube.com/watch?v=JbwfZhYhnlo > > jörg schrieb am Mittwoch, 15. Juli 2020 um 18:01:18 UTC+2: > >> I‘m using Eagle to layout. >> It takes time for me to feel comfortable with it. >> And Fusion360. >> >> -- > You received this message because you are subscribed to a topic in the > Google Groups "neonixie-l" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/neonixie-l/nwics2gzVKE/unsubscribe. > To unsubscribe from this group and all its topics, 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/59a3f33b-d709-42e1-a631-d36c5858f19dn%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/59a3f33b-d709-42e1-a631-d36c5858f19dn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > <IMG_3999.jpg> > <IMG_4008.jpg> > <IMG_4003.jpg> > <IMG_4009.jpg> > <IMG_3999.jpg> > > -- > 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/7912DA8E-ED88-44D5-A040-B146B5292E2D%40gmail.com > <https://groups.google.com/d/msgid/neonixie-l/7912DA8E-ED88-44D5-A040-B146B5292E2D%40gmail.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/CAKYv7NQd%2B6CMR4AbnCR6NQpaEWRcxiqwiD0xBuWKWkBpRvP6hA%40mail.gmail.com.
