Re: Spark Gap VI Scope Capture

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

Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>

Hi Jim,

The scope is a 100MHz Tek 3012.  The current probe is a Pearson 101 only 
goes to 4MHz for -3dB so maybe there is phase shift there.  I could 
probably go to a 20MHz type 411.  The voltage probe is a Tek 6015 should be 
good to 75MHz.

Cheers,

         Terry

At 11:56 AM 5/20/2003 -0700, you wrote:
>This is kind of odd...  It looks like there must be some phase shift 
>between the I and V measurements, since presumably, I and V should be 
>reasonably in phase.  I wonder what happens if you low pass filter the 
>data (say, to 5-10 times the Fres) to get rid of the HF spiky stuff, so 
>that you can get an idea of the bulk properties.  I'll have to download 
>your raw data and do some fiddling..
>
>
>At 12:32 PM 5/20/2003 -0600, you wrote:
>>Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>
>>
>>Hi Jim,
>>
>>Looks like this:
>>
>>http://hot-streamer-dot-com/temp/03-05-20-01.gif
>>
>>I tried over smaller times spans but it did not really seems to show much.
>>
>>Cheers,
>>
>>         Terry
>>
>>At 07:03 AM 5/20/2003 -0700, you wrote:
>>>One might want to plot V vs I for the gap... While time domain behavior is
>>>interesting, I'd be interested to see the VI characteristic for the gap...