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Re: magnetic quenched triggered gap
- To: tesla@xxxxxxxxxx
- Subject: Re: magnetic quenched triggered gap
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Sun, 05 Jun 2005 22:47:46 -0600
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- Delivered-to: tesla@pupman.com
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- Resent-date: Sun, 5 Jun 2005 22:50:42 -0600 (MDT)
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Original poster: Ed Phillips <evp@xxxxxxxxxxx>
"The magnets in magnetrons are subjected to high frequency AC and they
don't
demagnetize. Although not operating at nearly as high a frequency, the
magnets in a Tesla Coil spark gap would also be subjected to high
frequency
AC or at least high frequency pulsed DC, right??
Paul"
The magnets in a modern cavity magnetron are completely isolated from
the RF field. In the case of the spark gap I suspect the same is nearly
true. The field around the spark could be calculated from the peak
current but I'm too lazy to do it. I suspect eddy currents in the
magnet would prevent any field from entering it very far.
Ed