Re: [TCML] Bipolar tesla coil

[Ed Phillips <evp@xxxxxxxxxxx>]

Thanks.  Suspected that.  My older 'analog scopes' don't have that 
feature of course.  I'm a great user of .csv files to export digital 
data to Excel, where it's so simple to creat excellent curves.

Kurt Schraner wrote:

> The spectrum was computed from observed secondary voltage, by means of 
> the buildt-in FFT feature of my Tektronix TDS2024B digital storage 
> scope. In my little report you can see the corresponding screenshot on 
> page 21 (center of page). The screenshot is also giving an .csv-file 
> in higher resolution (2500 samples/shot), which was used in an Excel, 
> in order to generate the diagram at the bottom page 20. The secondary 
> voltage waveforms were taken by means of a Terry Fritz "plane wave 
> antenna". Thanks for your comment.
>
> Kurt
>
> -----Ursprüngliche Nachricht----- From: Ed Phillips
> Sent: Sunday, December 23, 2012 11:21 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Bipolar tesla coil
>
> Neat setup.  Unfortunately I can't read German and have a question about
> the 'double-humped' spectrum at the bottom page 20.  Was this measured
> with a spectrum analyzer, computed from observed secondary voltage, or
> something else?
>
> Ed
>
> Kurt Schraner wrote:
>
> > A fairly complete report about my version of a bipolar tabletop coil 
> > can be downloaded here:
> >
> > http://twfpowerelectronics.com/~kurt/EBM-Museums-TC-2.pdf
> >
> > This coil can easily also be converted from a halfwave- to a 
> > quarterwave TC.
> > Merry Christmas to all.
> > Kurt
> <snip>
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