Re: Measuring ring down

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

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

Hi Tom,

Just run a say 1 foot long wire off the probe about 10 feet away from the 
coil.  It will act like an antenna and easily pick up the signals you want.

I wrote Chip about pupman-dot-com being down.

cheers,

         Terry

At 11:17 PM 10/9/2003, you wrote:
>What is the best way to measure the ring down of my air blast gap?
>
>I have a digital and an analogue CRO and a 2500v probe.
>
>The NST is rated at 11kV.
>
>Assuming I can come up with a suitably rated 100x resistive divider, where
>is the best place to measure - across the gap, across the cap, or across
>half the NST?
>
>Is there an easier way than using a resistive divider? Because for 50kV -
>absolute worst case, plus a big safety margin, (I like my cro) - it would
>have to be rated for 25W (if RL=100M).
>
>I'm not interested in absolute measurements I just want to see how many
>notches are conducted.
>
>Thanks,
>
>Tom L.
>
>PS: I don't seem to be able to get to www.pupman-dot-com to search the archives
>(10060 - Connection timed out), is the server down?