Re: [TCML] DRSSTC Complete

["John Forcina" <forcijo10@xxxxxxxxx>]

Update, it works.  24" from 70% input voltage.  I Can probably get a little
more at the given power level with some fine tuning but im very pleased on
how well it works.  Here is a vid http://www.youtube.com/watch?v=bypxE8XdZI8
Tell me what you think.

On Tue, Nov 18, 2008 at 9:16 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:

> Looks great John! Thanks for the photo's. Four IGBT's is no big deal. Since
> I just completed an SISG of 24 IGBT's, that's what got my head racing with
> costs. Mouser has your IGBT near $30 right now. But since it's a simple
> H-bridge, the cost even at $30ea isn't a big problem. I noticed a Steve Ward
> board and it appears to me that it must be etched on both sides of the pcb?
> Regarding the red cable passing through the wound ferrites: is that feedback
> coming back on the twisted pair leads?
>
> Bart
>
> John Forcina wrote:
>
>> Thanks.  It is a full bridge so 4 igbt's and actually i got them for $13
>> each from a igbt bulk buy on 4hv some time ago.  Here are some additional
>> pics of the H bridge and control electronics.
>> http://flickr.com/photos/25967047@N07/3009584572/
>> http://flickr.com/photos/25967047@N07/3008428163/sizes/l/
>> http://flickr.com/photos/25967047@N07/3008427227/sizes/l/in/photostream/
>> http://flickr.com/photos/25967047@N07/3041496260/
>>
>> On Mon, Nov 17, 2008 at 9:57 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:
>>
>>
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