As some of you know, a few years ago I made a little numitron clock
using IV-9 and IV-16 tubes hooked up to run off a USB port. Dinky
little thing.
So it felt like time to think about something bigger. And then it all
got a bit out of hand...
http://youtu.be/4FnxWsp58EM
Enjoy.
Jon.
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You
ience. The efficiency drop has never
required me to heatsink the FET or anything like that.
I've run this strategy up to about 12W output - no doubt less than you
could get out of a thoroughly tweaked 1771 or John Taylor's awesome
modules - but plenty enough for most purposes.
Cheer
markings and
boxes (nice boxes!), but are actually Mullard & Sylvania production.
Assume it was for a similar reason.
Jon.
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On Dec 27, 10:52 pm, "B.Edmonson" wrote:
>
> Though I do have one question. I'm in the process of building my
> first nixie clock from scratch ( no kit ).
At the expense of hideously mangling a classical line... To those
about to glow - we salute you! :)
Enjoy,
Jon
On Dec 25, 1:01 pm, Nick wrote:
> On Dec 25, 11:04 am, jb-electronics
> wrote:
>
> > And a merry Christmas to you all, too!
Indeed Merry Christmas and a happy New Year to the whole group !!
Jon.
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has been one of my favorite corners of the
internet for a long time now! thank you to all of the information and
interesting links.
happy holidays everyone!
jon
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tter during hours of
darkness?
Cheers,
Jon.
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On Dec 3, 6:45 pm, Nick wrote:
> Mocl
Nice typo :) One key to the right on the right hand.
Unfortunately however I can't help you with the NIMO socket. Wouldn't
mind knowing the location of one myself.
Hob
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o
work with (even for a SMD newbie like me).
Jon.
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on with the seller, nor
responsibility if you use one of these things to toast yourself,
ignite your workshop etc.
Jon.
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Folks,
Just in case anyone's looking do to some early Christmas shopping,..
I have a few Numimini kits and assembled clocks available on eBay now:
see listings 160685344769 and 160675299571
Cheers,
Jon.
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isplay unit itself?
Thanks,
Jon.
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y reasonable. On my latest design, the component cost alone
for rolling my own supply with the required power output was more than
it cost to buy a module - never mind all the time and effort saved.
Why make life complicated?
Cheers,
Jon.
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onal clock making
(though interesting enough in their own right!)
Cheers,
Jon.
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Hi there,
I wonder if there's a Russian member of the group who might be kind
enough to help me out with something? A Moscow resident would be
perfect! Please contact me off list.
Thanks,
Jon.
PS I posted a similar note over in the TCA group earlier, Just in case
some of you were experie
nique purple nixies! Of course it'd
change the electrical characteristics of the tube, but manageable I'm
sure.
Jon.
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bout something that happened just after I started
selling my single digit bargraph clock. An eBay buyer from Hong Kong
mailed me asking to send a PDF of the assembly and owner manual. I
politely declined and suggested he obtain one by buying a clock. Never
did hear from him again...
Jon.
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You r
... for the last 2 kits of my USB-powered numitron clock kit. eBay
item 160577380967
Jon.
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If you drop him a line in due course, perhaps he'd answer follow-up
questions about the tube.
Great spot though - I hadn't seen that one!
Jon.
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er, the IN-13 is actually quite a dim display - the spectrum
analyser won't be great in bright ambient light.
Jon.
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restore the original thread title?
Jon.
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ss valves,
such as bases with the metal pins already in place. Keith Thrower's
fascinating history of the EF50 (sorry, no neon) hints that the
manufacturers of valves used modules which might have been made
separately. http://www.r-type.org/static/ef50.htm
Cheers,
Jon.
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wo
people out there who wanted one very, very much.
Jon.
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John, Grahame, Nick - many thanks for your kind offers. I've emailed
you directly with more details.
If anyone else would like to join in, you'd be most welcome. The more
data points, the more accurate a picture we can deduce.
Thanks,
Jon.
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ard, Valvo, Adzam, Amperex
etc).
If anyone has examples of Z302C, Z303C, Z502S, Z504S, Z505S, ZM1060 or
ZM1070 and would be happy to answer a few questions about the tubes,
please contact me off list.
Thanks,
Jon.
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"ne
Awesome! This was on my long long term list of projects to do - it's
great to see it done so nicely.
Is the display brightness enough to make a practical clock?
Jon.
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On Mar 1, 9:20 pm, Adam Jacobs wrote:
> I also kind of like this enterprising individual's idea of putting the
> neons in a test
> tube:http://cgi.ebay.com/2-Colon-Tube-tubes-separators-Nixie-Clock-CT-IN-1...
Errr, think you'll find that's Dieter!
Jon.
--
You recei
d the size/intensity of the glow.
It helps to get the polarity right (per discussion in other thread),
but some IN-3 would just never behave well for me.
Cheers,
Jon.
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ovide some local energy storage
to stabilise the HV rail. 1uF 250V electrolytic works fine in my
application.
Jon.
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To
er than very satisfied customer (and the beneficiary
of his generosity with a test unit a while back during the beta
phase).
Jon.
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re wide, weigh over 6 kilos and consume about 5A at
12V... You can do the math for the six digit version!
Cheers,
Jon.
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ither, depending on how much input power you'd like it to consume).
Of course, because it's a really nice and useful chip, Allegro are now
discontinuing it (sigh).
Jon.
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My design is particularly kind to
the tubes, but even so...
http://www.youtube.com/watch?v=mQ1567EFCY0
Cheers,
Jon.
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T
ar
effect. They were much better when you wired them with the correct
polarity.
Jon.
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an
easy moneyspinner. Maybe the guy really has one for sale but was too
ignorant/lazy to write his own listing.
Either way, an email to him might be a decent first step.
Jon.
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To post t
a litigation battle with them). So a recorded delivery of prior art
to the applicant's attorney _ought_ to have the desired effect of
getting it into play. Daresay it doesn't always work that way in
practice, but they take a big risk if they ignore you.
(amateur lawyer mode off!)
Jon.
On Feb 1, 8:52 pm, Nick wrote:
> On Feb 1, 6:51 pm, Jon wrote:
>
> > On Feb 1, 9:58 am, Nick wrote:
> I've "dealt with it" now - I spoke to the USPO legal department who
> basically told me to sod off. It seems that 3rd parties cannot object
> or corr
r in force (ie granted and the
maintenance fees paid up to date). Or is it a patent which is
currently being examined, and you'd like to see the detail of the
office actions, responses from the applicant etc (ie the file
wrapper) ?
Cheers,
Jon.
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7;s life, but it probably won't
explode. Of course, microcontrollers expire pretty enthusiastically if
you put the HV across them, but that's usually down to clumsiness
rather than an unexpected design gotcha...
Jon.
PS. The relevant Sherlock Holmes quote is "When you have elimin
;ll have to get some more boards and
top plates made before the clock will be on sale again. There are
precisely 4 clocks left, which are available either assembled or as
complete kits. Mail me directly here or go via eBay as you like.
Commercial break over!
Jon.
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0 - looks like two or three
people really wanted it. Do we have the winner in the house? (you may
infer it was not me!).
Cheers,
Jon.
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nd Dieter
does us all a big favour by hosting the info - the book itself is very
difficult to find.
Jon.
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big file.
http://tubedata.tubes.se/sheets/022/suppinfo/ETL-ElectronicTubeHandbook-i3.pdf
Cheers,
Jon.
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Wow - that is seriously cool. Just need to drop the price by a couple
of orders of magnitude and think of the fun we could have!
Jon.
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eting
the CV2325 specification. I've seen other Hytron branded dekatrons
which have been sloppily labelled, so perhaps it's not a huge surprise
to see them label using the ETL part code.
Interesting curiosity.
Jon.
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the moment is John Taylor's 1363/1364
design which is a real triumph of the circuit designers' art.
So, happy New Year to all and thanks for all the good things from
previous years!
Cheers,
Jon.
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u screw up the firmware royally enough
that you can't activate the bootloader.
Cheers,
Jon.
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4010333 or mail me direct.
Commercial break over :)
Jon.
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all.
That's a super job - nice one!
Jon.
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s of either). Has anyone bought from this seller
and tested the tubes?
Jon.
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dekatrons more) - it's more work in firmware, but you get
control. All you need is a controller with a spare ADC input and
preferably a hardware PWM output.
Horses for courses.
Jon.
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T
nixies and other cold
cathode tubes.
Cheers,
Jon.
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tor, but I
can't lay my hands on the relevant numbers to substantiate that at the
moment.
Jon.
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Do we have eBay member 'stiggle' in the house?
Jon.
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uplicates, and am more than happy to send them out to spread the
word about the TCA.
Cheers,
Jon.
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the tube has the ETL logo on it
rather than saying 'Ericsson'.
Jon.
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> versions of most of my photos.
That's a really important point. It would be a disaster if all the
accumulated content got vaporised because Ray decided to delete the
group. Not just the files, but the message archive too - I've lost
count of how many questions I've been able to an
On Sep 14, 8:00 am, Jon wrote:
> Lots more details including circuits on p124 onwards of Electronic
> Counting Circuits by J B Dance
Sorry - my misread. The book discusses G10/241E, not G10/240E.
Jon.
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uits on p124 onwards of Electronic
Counting Circuits by J B Dance, a partial scanned copy of which is on
Dieter's site at
http://www.tube-tester.com/sites/nixie/dat_arch/Ericsson-Databook.zip
(BTW It's not an Ericsson databook, though it does discuss many of the
Ericsson dekatrons - lot
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