Although, if you are using a voltage doubler to get your HV supply, you
will find that the supply sags as current increases. That's why using a
voltage doubler for the nixie HV is a hassle: as you increase nixie
current, HV supply voltage drops.. Use ohm's law to calculate the value
of your pot and then dial it in, don't even think about using a fixed
value resistor (at least, not for the first one).
-Adam W7QI
On 1/22/2012 4:01 PM, John Rehwinkel wrote:
I'll be using a combination of IN-1 and A-101 dekatrons and I was planning on
pushing the nixies slightly to 200-210V, so that the dekatron can get its
400-420V. I was worried about damaging the IN-1s, though -- not sure if they'll
take to 210V kindly.
No, won't hurt 'em, just adjust the anode resistors appropriately. You'll burn
up a little more power in the anode resistors. On the good side, they'll
strike faster (handy if you're multiplexing), and the current regulation will
be better.
- John
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