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| Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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22nd May 2014, 10:29 pm
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#1 |
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Dekatron
Join Date: Apr 2012
Location: Worksop, Nottinghamshire, UK.
Posts: 5,553
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Unidentified Neon Tube
I have got a neon that if powered with AC via a resistor it lights up as a bar about 20mm long however if it is fed DC it glows for about 10mm of its length from one end and if you reverse it the other end glows.
I have no idea what it came off. Split from this thread: https://www.vintage-radio.net/forum/...d.php?t=106341 Last edited by AC/HL; 22nd May 2014 at 11:48 pm. Reason: Thread split |
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23rd May 2014, 12:28 am
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#2 |
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Nonode
Join Date: Jun 2004
Location: Norwich, Norfolk, UK.
Posts: 2,543
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Re: Unidentified Neon Tube
Sounds like an IN-24 http://tubehobby.com/show_det.php?det=49
As with any neon, AC will alternately light the anode and cathode. DC will only light one of them. David
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23rd May 2014, 4:19 pm
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#3 |
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Dekatron
Join Date: Apr 2012
Location: Worksop, Nottinghamshire, UK.
Posts: 5,553
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Re: Unidentified Neon Tube
It is not an IN-24 but another type that works on the same principal.
The ends are nothing like the ones on the IN-24 however it would be difficult to get the camera to focus down into the ends of the housing to see them. There is no part number shown. It has the remains of a lens present at one end. These could be used in early auto reverse tape recorders to indicate tape direction with suitable legend in front or anything else where a reversible supply could be used to drive it. These are interesting components for sure. |
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