Very Basic Question on Protel DXP 7.2

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Mistaken4 - 25 Nov 2007 19:27 GMT

I have been using ORCAD, now forced to switch to an older version of Altium.

(Design Explorer 7.2.92) circa 2002.

With ORCAD a Netlist is generated in Schematic Capture which is then used
by Layout to generate the PCB connections.

I have been unable to figure out how to do the equivalent in DXP. Several
Netlist
options are available in DXP schematic build, but I've been unable to see how
the
PCB layout portion loads these. (Or which Netlist option is the proper one to
use
for that matter.)

Using this older rev of DXP, how do I properly transfer a schematic into a
PCB
layout?

Thanks much in advance.
Terry

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Peter Bennett - 25 Nov 2007 22:48 GMT

> I have been using ORCAD, now forced to switch to an older version of Altium.
>
[quoted text clipped - 14 lines]
>PCB
>layout?

On both Protel 99SE and the current Altium Designer, in the schematic
editor, the "Design" menu contains an item called (something like)
"Update PC board". This effectively creates a netlist and pushes it
into the PC board. There is no need to explicitly create a netlist,
nor to manually import anything into the PC design.

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Marra - 29 Nov 2007 01:55 GMT

I have written a pcbcad (pcbcad28) program so have done this.

There is quite a bit of manipulation of the netlist to get it down to
its minimum for the ratsnest PCB.
Duplicate points can be removed. Points not on a component pin can be
removed too.

I do a bit of error checking first too.
Things like single ended nets are thrown up as errors.

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Electronics Forum / CAD / November 2007

Very Basic Question on Protel DXP 7.2