Re: [TCML] DRSSTC Complete

[bartb <bartb@xxxxxxxxxxxxxxxx>]

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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