Re: [PROTEL EDA USERS]: Protel / Specctra problems

[Todd Conard <tec@tec-tronics.com>]

I found the keepout problem.  How to fix it I don't know.

I used the PCB wizard to define a PCB 3.25"x4.00".  When I run the board
information report it shows the board size of 7.863"x9.089".  This also shows in
the specctra design file as:

(boundary
    (rect pcb
        366.000 172.607 8229.010 9262.151
    )
(boundary
    (path signal 0.0
        366.000 172.607
        366.000 9262.151
        8229.010 9262.151
        8229.010 172.607
        366.000 172.607
    )
)

8229.010 - 366.000 = 7.863"
9262.151 - 172.607 = 9.089"

This is not the board size I defined.  Is there a way to correct it other than
the wizard?

In addition to this problem, I am having a problem with the via definitions
being exported to the design file.  My specctra design file shows only one via
size and does not reflect the blind vias that I have defined in the layer stack
/ drill pair section.

Thanks for your help.

Todd Conard
Si Solutions
tec@s-i-solutions.com


Michael Reagan wrote:

> Todd,
> Spectra like Protel will obey the most outward keep out as your  board
> outline.  Spectra will also obey layer keep outs and fills.  All of the
> design rules are passed on to spectra including classes and from/ tos   I do
> not think that there is any advantage to specifying them in Spectra over
> Protel.  If  you define them in Protel the information stays with the DDB
> file.
>
> not sure if this is enough help for you, let me know specifically what you
> are trying to do
>
> Mike Reagan
> EDSI
> Frederick Md
>
> > I am having problems with the keepout defined by Protel when imported to
> > Specctra.  The correct keepout is displayed in Specctra as well as a
> > larger border.  When I look at the design file generated by Protel, I
> > see that this larger border is actually the pcb and signal boundary.
> >
> > Does anybody have any general guidelines of when to draw the line
> > between transitioning the design from Protel to Specctra?  Is it better
> > to define classes, from-to, etc in Protel or Specctra?
> >
> > Thank you,
> >
> > Todd Conard
> > Si Solutions
> > tec@s-i-solutions.com
> >
> >
> >
> >
> >
> >
>