Added a reset circuit, so it will count from 0 to 5, then reset to 0:
http://www.dailymotion.com/video/x14htr2_a107-divide-by-6-nixie-counter-driver_tech
Well, actually it transiently hit 6, but then quickly resets to 0, so you
never see the 6
This was indeed a nice way of solving the reset/set circuit.
If I don't misunderstand how the circuit works you can add one transistor
between each pair of cathodes on both even and odd branches, and if you
also add the possibility to reset/set the flip/flop, it would be possible
to set the
:* neoni...@googlegroups.com javascript: [mailto:
neoni...@googlegroups.com javascript:] *On Behalf Of *threeneurons
*Sent:* dinsdag 10 september 2013 11:14
*To:* neoni...@googlegroups.com javascript:
*Subject:* [neonixie-l] Re: A107 Dekatron
Added a reset circuit, so it will count from 0
You mean something like this:
http://www.dailymotion.com/threeneurons#video=x148ak5
To get rid of two adjacent transistors being on at the same time, make sure
that only an odd or even cathode is selected alternately. After a lot
of convoluted pondering, I went back to the something that looks
Oops, Actual video:
http://www.dailymotion.com/video/x14ftg4_a107-nixie-driver_tech
On Monday, September 9, 2013 1:08:22 AM UTC-7, threeneurons wrote:
You mean something like this:
http://www.dailymotion.com/threeneurons#video=x148ak5
To get rid of two adjacent transistors being on at the
Ahh, wondered what you meant with the first video.
In my experiments I only got the A-108's to work with only one cathode on
at each moment, the A-107's A-109's would always strike two cathodes no
matter how I adjusted the circuit.
I'll definately have to try your circuit and see if my
You are a bit ahead of your time too, on the circuit it says that you
designed it in September 2103! ;)
/Martin
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Have to get my transporter fixed. There's a recall on this model, since it
seems to also teleport you thru time, as well as space. At least it isn't
stuck to sending me to New Mexico, in 1947, anymore !
On Monday, September 9, 2013 1:25:57 AM UTC-7, Dekatron42 wrote:
You are a bit ahead of
Nice that you could adjust it to pass current on two cathodes.
To be able to build a nice clock with these, where each cathode drive a
transistor which drives the Nixie, only one cathode should be struck at the
same time. I did not do any tests on whether this was possible with the
A-107 or
That's a WE346 with the paint removed from the glass. Its a gas trigger
tube:
http://www.westernelectric.com/spec_sheets/346C.pdf
Here's the internal structure:
https://lh6.googleusercontent.com/--BSwCmzGee8/UiiIu82GTJI/ME4/VeohzTppOiI/s1600/WE346_2s.jpg
Its driven by a simplier
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