Re: wire wrap cad software
From: Roy Battell (news_at_vutrax666.co.uk)
Date: 10/21/04
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Date: Thu, 21 Oct 2004 07:34:56 +0100
In article <4a59d41a.0410201351.5de9914d@posting.google.com>, John Sosa
<john.sosa@seagate.com> writes
>Hello,
>
>This question is to all those that prototype using wire wrapping.
>Currently, I have a large design that I want to wire wrap, and have
>done the all the CAD drawings in Orcad. (I generally do everything in
>Orcad) The problem with this is that I don't really want to wire wrap
>directly from the schematic. Also, I have heard from friends that
>there used to be some software that converted netlists to a list of
>wirewrap connections. Also, this software was intelligent enought to
>not give more than three wraps per post, etc. Apperantly the software
>gave a listing of the order and between what chips the wraps needed to
>go. I have searched on Google using different search criteria, but
>nothing.
>
>So, any help locating an application that does this would be great.
>
>Regards,
>John
When Vutrax started out Wire-wrap was the norm and it still produces
this sort of output if you want it - a wiring order list of wrapping
points with wire length included, never using a pin for more than
two wraps. Experience showed the most error freed method was to ignore
IC pin numbers etc. and work by coordinates. You can choose your own
column/row naming or numbering conventions. You can also output a
check-list for 'buzzing' out the wiring in an efficient order.
You may be able to export a simple pin to pin net list
for your design and import this and use the wire-wrap output.
For new projects you can use the whole Schematic > routing >
Finished board. The wire-wrap output is available after schematic
analysis and placement and part of the rats-nest suite.
Vutrax can be downloaded from one of
http://www.vutrax.co.uk (Main UK site)
http://www.protonique.com/vutrax (Central Europe Mirror)
Free for evaluation and DIY size projects up to 256 pin with
no time limits, no required internet access, or other tricks.
Available for Windows 95 through XP, and Linux.
--
Roy Battell.
To use this address remove the digits included to remove Spam ...
Mail: news@vutrax666.co.uk
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