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Re: HV instrumentation for coil work, other



Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>

Hi Greg,

See:

http://hot-streamer-dot-com/TeslaCoils/Misc/Project_color.pdf

http://hot-streamer-dot-com/TeslaCoils/Misc/Project_color-newparts.txt

Ross Engineering also sells things like this but I am not sure they are 
what you want (size).

Cheers,

         Terry


At 02:18 AM 3/11/2004, you wrote:
>Hi All,
>
>I seem to remember that Terry [and perhaps others] had developed isolated 
>test equipment that could perform measurements on coils while floating at 
>HV and perhaps relay the data to ground via fiber-optics or some such.
>
>We have a need at work to measure transient waveforms in circuits that 
>float at high potentials.  I've been trying to find a commercial vendor 
>that offers a *compact*, bare-bones transient digitizer module that can be 
>easily clipped into equipment under test, and downloads data to ground 
>through FO cables.  (A Fluke scopemeter is far too large; hoping more for 
>a single high-density SMT PC board, measuring about 1" x 2".)
>
>Anyone know of a suitable product or homebrew design?  It's important for 
>the floating digitizer portion to be as small as possible, and we'd like 
>to get at least 50MHz [20nS] resolution.
>
>
>Thanks,
>Greg Leyh
>