@gregebert I'd be interested in seeing your best-known methods for power supplies.
On Monday, September 21, 2015 at 7:11:27 AM UTC-6, Luka C wrote: > > Hi everyone, > > I need help with my newly built clock. The thing is, after I turn it on > and the clock runs for like 5-10mins, some of the digits on tubes become > partially lit like on the picture. Now, I noticed the power supply gets > very hot after running for 5-10mins and I measured the voltage on +HV > (+185V) pin of the power supply while the clock is running. It seems like > the voltage keeps dropping as the supply gets hotter (last time I measure > it, it went down to 148V and these artifacts became showing on the tubes. > The digit usually lights up normally at first, then after the cathode > poisoning routing it becomes partially lit like on the first picture, then > after the second cathode poisoning routine, it gets partially lit like on > the second picture and so on, it shows on all of the tubes at some times. > I'm using 27k anode resistors on IN-14 tubes and I guess the power supply > is of the design from the picture I attached. > > Thanks in advance! > > <https://threeneurons.files.wordpress.com/2011/08/mc34063_m1bad_b.gif> > > Power supply design (I suppose) > > > > <https://lh3.googleusercontent.com/-tWX7o41vLGo/VgABPh-hTCI/AAAAAAAAAEg/rmwkNiodFxw/s1600/IMG_20150920_030556%255B1%255D.jpg> > > > > <https://lh3.googleusercontent.com/-4_1qUwrCX7k/VgABgjPr3OI/AAAAAAAAAEo/nE9UobiBRoY/s1600/IMG_20150920_030543%255B1%255D.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 [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/bafc7461-7f99-4bc9-a7b6-c15dadee3b0b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
