Raise the supply voltage to 180V, and see what happens. On Saturday, March 29, 2014 8:02:43 AM UTC-7, Paul Parry wrote: > > Hi All, > > Just assembling a clock, and I have an intermittent nixie tube ( Rodan > GR116's ) that flickers and will not stay on. However just touching the > tube with a finger makes it work so assume it is some strange capacitive > effect. > I am not over driving the tube ( 170v ) and a 10K anode resistor - > altering these + / - 10% does not really improve things. > I have several of these tubes, half work fine and other half all have this > strange effect of working when touched. I know all the tubes are 'ok' as > they came from a frequency counter that I powered up and saw them all > working before I carefully removed the tubes. > > Any suggestions appreciated. > > Cheers, > Paul > >
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