AVR-Chat

David VanHorn wrote:
> On Sat, Feb 21, 2009 at 11:27 AM, Bob Paddock <bob.paddock@gmail.com> wrote:
>>> I was hoping someone here had done "exploding wire" experiments and
>>> could offer guidance.
>> http://www.pupman.com/hvlistarchives/
>> http://www.fusor.net
>>
>> Zetex has Avalanche rated transistors.
>> http://www.zetex.com/3.0/3-3-2b.asp?rid=14
>>
>> If money is no object also look up Saturable Reactors
>> made from Metglas.
> 
> 
> I'm not trying to explode the wire, I'm just figuring that those folks
> would know where the limits are.
> The target here is to get up in about the 1.5T range in a small coil,
> with about 100uS risetime.

Have you considered using  I squared t for a rough bounds?

As for measuring the current, if you are doing more than a bit of this 
you may want to invest in a Rogowski coil to get a high frequency 
measurement capability without interfering  with the circuit.

Robert

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