Re: Win's next 10kV project, a 1us ramp

On Sat, 7 Jan 2006 18:05:22 +0000 (UTC), kensmith@xxxxxxxxxxxxxxx (Ken
Smith) wrote:

>In article <dpkipk02rl3@xxxxxxxxxxxxxxx>,
>Winfield Hill <Winfield_member@xxxxxxxxxxx> wrote:
>[....]
>> Now I'm challenged with a creating a moderately-precise (5%),
>> programmable, fairly-fast 10kV ramp, of 1 to 50us in duration.
>> It's floating on 3kV. The 1us-long, 3kV to 13kV ramp spec is
>> tough, but may have a relaxed 5%-precision spec, provided it's
>> repeatable. :-)
>
>ASCII Art:
>
>
>
> pivot 0================0===============0
> ! # !
> Copper plate ================ ### ! ! ! ! ! Piston
> Gap ### ! ======= ! assembly
> Copper plate ================ ### ===== =====
>Non conductive ! ! ### ! !
> mounting ! ! ### X-X Steam valve
> . ......### / \
> . . ### ! ! Boiler
> . . ### -------
> . . Conductive
> . . mounting
> . .
> . .
> cam operated . . Lead wires
> switch ! . GND
> --- .
> 3KV -----O O-----+--------------- To load
>
>
>
>Or, perhaps:
>
>Some ceramic capacitors have decreasing capacitance for increasing
>voltage. You may be able to use these to straighten out an RC ramp
>reducing the problem to just one of switching.
>
>--

Gunpowder/supermagnet bullet/shaped coil.

John

.