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Old 11-02-2014, 04:47 AM #161
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Default Re: CO2 Power Supply Schematic Help

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Originally Posted by djQUAN View Post
Don't! Pots have limited power dissipation and withstanding voltage rating. It'll burn up, arc over and/or electrocute you when you touch the shaft.
Yeah, I tapped the pot's shaft with a screwdriver and saw sparks then removed it.


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Old 11-02-2014, 10:31 PM #162
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Default Re: CO2 Power Supply Schematic Help

Please just stop and buy a premade PSU, you can get them for a little over $100 shipped on eBay. Learning is good and all but learning on something where 1 error could kill you, you're not exactly doing yourself any favours.
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Old 11-03-2014, 11:06 PM #163
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Default Re: CO2 Power Supply Schematic Help

Added in the caps which increased output, although it still doesn't look like it is emitting anywhere near full power. I am thinking that not enough voltage is going in and not ionizing all the gas. What do you guys think?
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Old 11-03-2014, 11:09 PM #164
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Default Re: CO2 Power Supply Schematic Help

If the tube is lasing at all, then there's enough voltage. Not enough current is the problem.

Last edited by Things; 11-03-2014 at 11:09 PM.
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Old 11-03-2014, 11:13 PM #165
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Default Re: CO2 Power Supply Schematic Help

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Originally Posted by Things View Post
If the tube is lasing at all, then there's enough voltage. Not enough current is the problem.
I see. Also thanks for your concern for my safety. I don't know what to say except that I am taking as many safety precautions as possible (triple checking caps, wearing rubber gloves, using one hand, standing on rubber...).

As for current I might test out this zvs flyback for higher current

Thanks a ton man.

Last edited by upaa27; 11-04-2014 at 02:27 AM. Reason: Forgot transistors for hv dont exist :P
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