On 10:41 AM 9/10/2002 -0600, Carlos Claveria said: >Hi to you all, > >I have two multilayer pcbs designed with Protel 99. I was wondering is there >was an easy way to merge them >without having to reroute the designs. I have about 19 nets that will >electrically connect the two boards toghether. > >Thanks for your help. > >Carlos A. Claveria >Spartek Systems >Web: http://www.sparteksystems.com
With great care. 1) Make sure layer stack-up is the same on each (number, order and net assignment of planes). 2) Rename nets you do not wish to connect that may be the same in each design. 3) Review all rules to make sure there is nothing conflicting - like different plane connect styles or clearances etc. Be careful with this one and have thinking cap firmly on. 4) Copy one design with a Save-As to get all the design rules across (copy and paste does not take design rules). 5) Copy and paste the other design. 6) Add in any design rules needed from the second design that were not in the first. 7) Check and check and check preferably with a full schematic of the merged design. 8) Have board made 9) Convert to your favorite religion (if necessary) and pray. 10) build boards and give pre-prepared excuses to boss why it didn't work With hard work 9 and 10 may not be required. Have plenty of backups as well and save often to backups as you work through each step to allow you to restart from some intermediate step. I have done it, successfully, on a complex design set which required a deal of mucking about with rules. (The text export of the rules is useful in this review) On very similar designs with the same rules the merge should not be too hard at all but do check those rules and layer stackup carefully. Ian Wilson * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/proteledaforum@techservinc.com * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
