Jim,
Check out our website and go to the design handbook section. In the back pages you will
find a cost adder chart that should assist you.
 www.pcbprotech.com

Take Care,
John Walker
Pro-Tech
617-803-6033


Jim Mathis wrote:

> Assuming all other considerations being equal (size, # of holes, hole sizes,
> etc.), what is the typical cost adder for going 4-layer from 2-layer?  1.5X,
> 2X. etc?
>
> Also, in an EMI-sensitive environment, how would you recommend the layer
> stack-up?  Signal 1, Ground, Supply, Signal 2  OR Ground, S1, S2, Supply?  OR
> something else?
>
> Thanks.
>
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