Would you mind converting that schematic to some kind of image file? Is
that an eaglecad file?
blanking on the 74141 will cause leakage if the supply voltage is too
high. Are you using real 74141's or the russian kind?
From that picture, I'm not sure if that is leakage.
-Adam
On 3/22/2012 5:19 AM, Imbanon wrote:
Hey all
I found some time to make a schematic. It only shows the two 74141,
nixie tubes and anode drivers.
I also tried blanking nixies via 74141. I would have never guessed
that you meant on hex code, as I am doing this on an arduino :)
Blanking nixies with 74141's give me a lot of leaking (or at least I
think thats leaking), so I'm not so sure about using this method. But
I do think that it's maybe possible to divide the leaking to the rest
of the nixies by adding a resistor for each anode, instead of sharing
them. See for yourself in the links.
http://www.mediafire.com/download.php?bbx4z4k5vjul56b
http://www.mediafire.com/download.php?ym4s96yeusrm9sy
So I guess my next move should be to remove the trimpots, and replace
them with actual resistors for each anode.
But what should I do with the blanking? To be honest, I would leave
the setup as is, because it seems to work fine. But if you guys think
I can do something better to get a longer tube life, I will make
changes to the schematic immediately.
Thanks!
On Mar 19, 12:04 am, Dylan Distasio<interz...@gmail.com> wrote:
I'm very interested in hearing more about this module...Are you saying you
are having this custom manufactured? If so, how have you found a way to do
this economically?
On Sun, Mar 18, 2012 at 6:31 PM, Cobra007<mic...@xiac.com> wrote:
For my clock I am designing a module as I am not really a fan to use
these types of old TTL logic. It's a 24 pin module that fits into a
DIP24 IC socket. It basically mimics the 74141 but has high voltage
output mosfets (240V) and the 4 inputs can be latched, so you don't
need extra latches as required by the standard 74141. It also offers a
blanking input, either by writing 0x0a or using a dedicated pin (which
is convenient for PWM dimming). It can be interfaced with MCU or
arduino.
Michel
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