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Re: Best sparks (fwd)
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To: tesla@pupman.com
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Subject: Re: Best sparks (fwd)
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From: Tesla List <mod1@pupman.com>
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Date: Fri, 10 Jul 1998 22:23:46 -0600 (MDT)
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Approved: mod1@pupman.com
---------- Forwarded message ----------
Date: Thu, 09 Jul 1998 22:43:08 -0700
From: lod@pacbell.net
To: Tesla List <tesla@pupman.com>
Subject: Re: Best sparks (fwd)
Malcolm wrote:
> > The 2.5MHz component in Electrum's output power is undoubtedly an
> > RC oscillation between the top C and the effective R of the arc
> > channel, for the oscillation is quite erratic in amplitude, and
> > therefore very low Q in nature.
> > -GL
>
> Also worth noting is that there is an inherent mechanism in a
> discharge which makes oscillations possible - the negative impedance
> characteristic. The arc is not a pure resistance.
Indeed; the -Z makes it go, just like when a neon bulb
is placed across a capacitor, and a big resistor charges
the cap from a DC source. The R and C determine how fast
the bulb flashes, and the -Z of the neon provides the gain.
--
-GL
www.lod.org