Re: 3 Coil System Was: A photographic tutorial ofPancakeCoilwinding...withmovies...(fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

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Date: Wed, 27 Jun 2007 15:43:39 -0700
From: Ed Phillips <evp@xxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: 3 Coil System      Was: A photographic tutorial
    ofPancakeCoilwinding...withmovies...(fwd)

I have a DATAQ DI-148U acquistion module, which I would like to wire the
>circuit output to.  My question is simple.  If I place a probe near the high
>potential resonator of the coil and another probe a given distance out, and
>connect one probe to each of the capacitors on the board, will I have a
>reliable measurement of the E field?  If so, how can I position the probes
>and calibrate this device to give a meaningful reading?
>
>Dave
>

No clue. The DATAQ DI-148U is a USB interface device I have zero 
experience with. To wire the device to the probes in question via the 
capacitors requires a schematic of the hv video input circuit. It may be 
possible do to what you want or it may not.

But, I can tell you that connecting a terminal (probe) to the hv 
terminal (even near), there is capacitive loading of the probe you'll 
need to account for. Maybe someone else on the list has a method which 
might work for you?

Take care,
Bart"

	The DI-148U is a very low sampling rate device and not suitable for anything over a few hundred Hz at best - don't see how it would be useful in this application.  I use it for checking battery discharge curves but those are a wee bit lower in frequency than a TC!  Don't try that experiment - I think you'll blow it up if it gets near an operating coil.

Ed