Re: [neonixie-l] Off topic..but it's a clock question.....no neon! Part ID....

I think it's an NPN transistor but not sure. I can only test one junction (B-C) and even that is reading higher than seems normal.  I'm going by the board markings and am not sure of the actual basing. The board is from a Seth Thomas, Acquisition Clock that dates from around 1972 or so...

Re: [neonixie-l] Early ZM1000 nixie failure

I had a similar massive darkening on a IN-14 tube some years ago. Repalced tube and it have working good since then. I supposed air have come inside tube. Sture 2016-03-26 8:29 GMT+01:00 franetic : > Hi all, > > can anybody (of more experienced builders) explain extreme

Re: [neonixie-l] Re: Need help with a tubehobby clock overheating

A faulty inductor with some windings short cuted will make switching transistor go hot. Kiran Otter skrev den 2015-04-10 17:12: Well.. I replaced the voltage regulator with JT's part, it appears to be working perfectly.. a solid 5V right on the mark. I also replaced C1. The ghosting numbers

Re: [neonixie-l] Need help with a tubehobby clock overheating

Kiran, Measure the input voltage to your clock. If voltage from your DC wall adapter have risen 7805 regulator will go hot. Also high voltage to Nixie tubes might also rise if input voltage to clock is too high. Sture Kiran Otter skrev den 2015-03-28 12:55: Hi folks, glad to find this

Re: [neonixie-l] Nixie Clock Cool Project- a few questions

Darin, Measure what you have for voltage from the power supply unit. If it is a simple unregulated power supply voltage can be above 12V. Cheap power supplies are often built of a transformer, four diodes and a capacitor. Sture -- You received this message because you are subscribed to the

Re: [neonixie-l] Same kind of screen used in old radars?

Same link but shorter /Sture http://www.ebay.com/itm/321356330231 Dman777 skrev 2014-08-22 07:49: Is this the same kind of screen that was used on antique radars that I have seen on here?

Re: [neonixie-l] Re: dekatron computing [and other stuff]

Tidak Ada skrev 2014-01-31 13:56: Her a link to the Bletchley Park site/News: [ http://www.bletchleypark.org.uk/news/ ] eric There is a mini series about Bletchey Park. Very exciting, I thought when I saw it on TV.

Re: [neonixie-l] Visit Dalibor's Nixie Tube with my owneyes in Shanghai Museum of Glass

Exellent work! A piece of art. First Nixie Clock ever shown in a Museum? /Sture 严泽远 skrev 2013-12-21 15:08: “When Shanghai meets Prague” exhibition �C Visit nixie tubes made by Dalibor at Shanghai Museum of Glass. I went to Shanghai Museum of Glass today, and I saw the tubes build by

Re: [neonixie-l] Testing nixies/dekatrons/neon bulbs without powersuply

Does anyone know if the trick is possible to do with a Scopeclock? Sture -- 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 neonixie-l+unsubscr...@googlegroups.com.