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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: thanks for reading my post with real comphrension posted by jeromelang on December 9, 2009 at 19:16:08:
Static charges on a disk seems like a plausible source of problems, I've messed around a bit in this area a couple of years ago but haven't gotten back to it.
But I don't understand how the problem can "hang" in your system and even affect other sources as you mentioned above. That is the thing that makes me think you are pulling our legs. Or maybe it's a mixture of the two.
Anyway I built an electrosope by taping a dog hair to a toothpick and it's sensitive enough to get a decent idea of the charge distributions on the disk and their relative levels. I then ordered an ultra-high input impedance op-amp eval board to make an accurate electroscope but I need to get some teflon triax for it and never finished. The neat thing about the dog hair version is that I could just pluck the active element off my shirt and had it running in less than three minutes. If your trays are affecting the residual charge distribution significantly you will probably be able to see it with the dog hair scheme. If you don't have a dog, I'd be delighted to send you as many hairs as you wish, I'm long on them...
Rick
PS: Please animal lovers, I didn't try anything else so don't give me any static. For all I know human, gerbil or cat hair works just as well or better.
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Follow Ups
- RE: thanks for reading my post with real comphrension - rick_m 12/9/0920:56:56 12/9/09 (1)
- RE: thanks for reading my post with real comphrension - jeromelang 23:25:08 12/9/09 (0)
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