[PCB_FORUM] Re: Diff pair Constraints and CM
- From: "Austin Franklin" <austin@xxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Thu, 10 Mar 2005 16:54:34 -0500
Hi Kevin,
> Plus you don't set the diff pair stuff with
> net_physical_type. You use constraints>electrical
> constraints. This is the new way starting with version 15.
Why can't you use NET_PHYSICAL_TYPE to specify the gap/width for
differential pairs? I know it exists in the Constraint Manager spreadsheet,
but if you assign this physical constraint set to a differential pair, won't
it use the gap/width from it (if none is specified in the CM spreadsheet)?
Which takes precedence?
> Net_ph and net_space are for group to group spacings.
Or group to rest of world spacing, right?
> And for constraint area spacing and widths.
Regards,
Austin
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