Re: [neonixie-l] Used or NOS?

As I understand it, a getter's primary purpose, within a 'VACUUM TUBE' is to absorb an remaining 'OXYGEN' from within the envelope. Ira. On 3/15/2016 10:45 AM, Dekatron42 wrote: Dekatrons use a getter that is flashed and they contain similar gas mixtures compared with Nixies, as I understand

[neonixie-l] Why were dekatrons still manufactured as recently as 1992 ?

I bought a few spare A-101's and at least one had a 1992 manufacturing date. So I'm wondering what could the former Soviet Union have needed with such old technology in the 1990's ? I would have expected that they would have replaced all their dekatron equipment by then, so even spare tubes

[neonixie-l] Russian EG-5 (ЕГ-5) prototype dekatron manufactured in 1959 up and running.

Hi, I got hold of this nice Russian EG-5 (ЕГ-5) prototype dekatron and after having peered down the glass envelope and hooked it up as a normal GC10B it started to run without a hitch, I made a short video: https://www.youtube.com/watch?v=WNNQio0N1FQ Unfortunately my new LED lamps flicker and

Re: [neonixie-l] Used or NOS?

As I mentioned in an earlier post today getters are flashed inside of 'VACUUM TUBES' to absorb residual 'OXYGEN' after pump down, and possibly some external R.F. heating of the internal elements to further degas. OXYGEN is extremely detrimental to 'hot cathodes', and 'hot filaments', and will

Re: [neonixie-l] Used or NOS?

Dekatrons use a getter that is flashed and they contain similar gas mixtures compared with Nixies, as I understand it the getter is there to absorb impurities from the materials used whereas the mercury is there to extend the life of the Nixie as it reduces the sputtering. /Martin On Tuesday,

Re: [neonixie-l] Used or NOS?

Why would they have a getter? An Hg pill that needs to be vaporized, sure. But a getter? They are used to remove any stray gas molecules given off by the glass or internal structures due to heat & time. Nixies are gassed tubes by definition - a getter would be counter-productive - even during

Re: [neonixie-l] Used or NOS?

I don't think it would be counter-productive, see e.g. the XN-1. Neon and argon are noble gases and hence they almost don't interact with getter material, as far as I know. Jens On 3/15/2016 1:23 PM, Nick wrote: Why would they have a getter? An Hg pill that needs to be vaporized, sure. But a

Re: [neonixie-l] Russian EG-5 (ЕГ-5) prototype dekatron manufactured in 1959 up and running.

Great find! Looks like long-lost child of OG-3 and A-201. Where on the Earth are you finding all those awesome and unusual tubes? Marcin BTW, we have a proof of the universal quality of the True Technology! If we stayed with the hot-rod-in-the-vacum light there would be no flickering. All

Re: [neonixie-l] Why were dekatrons still manufactured as recently as 1992 ?

Well, B-52 Stratofortress are early fifties design. In service at lest up till 2050. ;) The Russian dekatrons: My guess is they were made as spares for the forces. I believe US was/is doing the same. Not to mention that the vacuum technology is so much more immune to nuclear attack (or so I was

Re: [neonixie-l] Used or NOS?

OK... so why a getter in this one? All the little NEON tubes are each already sealed. http://www.tubecollector.org/zz1030.htm John K - Original Message - From: Instrument Resources of America To: neonixie-l@googlegroups.com Sent: Wednesday, March 16, 2016 8:18 AM Subject:

Re: [neonixie-l] Used or NOS?

Have no answer, except that if they wanted to have a good vacuum why not to use getter. But why do they needed the vacuum envelope at all? There is a version of this stabilizer without the envelope. Just four tubes packed into a single base: http://www.radiomuseum.org/tubes/tube_zz1031.html

Re: [neonixie-l] Used or NOS?

[yes, my link included one of those too. Maybe the "see also" is a little buried.] jk - Original Message - From: "Marcin Adamski" To: Sent: Wednesday, March 16, 2016 2:32 PM Subject: Re: [neonixie-l] Used or NOS? Have no