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Re: marx generator



Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net> 

At 07:16 AM 7/28/2004 -0600, you wrote:
>Original poster: "new3d" <new3d-at-gmx.de>
>Hello,
>
>I'm searching for a marx generator (self build or commercial) with about 
>0.5 to 1MV (at least 4000A) with a very short rise time (about a few tens 
>of ns or ns). It is for a special experiment.
>Can someone help me in that case?
>
>Best regards
>Helm

That kind of rise time is usually done by using a Marx to charge a 
capacitor that then breaks down a "peaking gap".  Even a standard Marx with 
a peaking gap might work.  At those voltages, you'd probably want to use a 
pressurized gap to keep the physical size reasonable.

The current would be mostly determined by the stray L and C in the 
system.  You didn't mention a discharge energy, which is an essential 
design parameter.

Maxwell Labs (or Physics International), probably part of General Atomic, 
now, makes these sorts of things.