Nick, Thanks for giving me details about numitron tubes and nixie tubes work.
Bryan On Tuesday, November 27, 2012 12:28:32 AM UTC-6, Nick wrote: > > > On Monday, 26 November 2012 19:59:12 UTC, bryan wrote: >> >> Just curious to see if anyone from this group knows if there are any low >> power nixie tubes like IV-9 Numitron tubes that only needs 1V-12V? Not more >> than 100V? >> >> > Hi - IV-9s are not nixies - they are numitrons which have incandescent > filaments like old light bulbs - a completely different technology. They > operate off 4.5V taking about 19mA per segment. > > The technology in nixies requires the gas in the tube to ionise to get > that orange glow round the shaped cathodes - there are basic constraints > laid down by laws of physics that determine the energy required to do this, > thus the voltage that is required to start ionisation. The voltage at which > ionisation starts (the striking voltage) is typically around 160 to 180VDC; > once struck, they maintain at a lower voltage (e.g. 120VDC) - the striking > voltage for a given tube is determined by physical factors such as gas mix > in the tube, pressure, presence of ionising radiation etc. > > All nixies work this way which is why we use step-up (boost) converters to > change low voltages up to typically around 180VDC. > > Nick > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msg/neonixie-l/-/h-KLn__J-GgJ. For more options, visit https://groups.google.com/groups/opt_out.
