RE: New SSTC Topology ready for release . . . up to 30MHz operation (tested successfully)

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Arpit Thomas" <neko4-at-dodo-dot-com.au> 

Could it be that the air itself acts like a capacitor or something, 
becoming noticable at those frequencies, doing soemthing weird?



*********** REPLY SEPARATOR  ***********

On 8/09/2003 at 8:00 AM Tesla list wrote:

 >Original poster: "Mccauley, Daniel H" <daniel.h.mccauley-at-lmco-dot-com>
 >
 >
 > > Great progress Captain!  One statement you have made a couple of times
 > > puzzles me.  That is that corona gets noticeably quieter
 > > sounding as the
 > > excitation frequency goes up, being hardly noticeable at 3 mHz and up.
 >
 > > Why?  We can't hear anything past 20 kHz or so.  I am
 > > hypothesizing that the
 > > corona medium (air) is non-linear and we are hearing many
 > > beat frequencies
 > > of the difference of the fundamental and many harmonics
 > > present in lower
 > > frequency coronas.  The result is an approximation of white
 > > noise - hiss.
 >
 >Yes, I'm not sure exactly why this is.  One of the plasma speaker
 >pioneers, Seigfried Klein was one of the first
 >to note that corona hiss is present up to about 3MHz.  He did this in
 >1956.
 >
 >But, sure i'd like to know exactly why corona hiss is present up to 3MHz
 >as well.
 >
 >The Captain
 >
 >
 >
 >
 > >