[PCB_FORUM] Re: Exporting and Importing of SI Models

Cadman10,

 

Yes, currently its my process, assigning SI models for a particular refdes,

 

Doing the process over for small cards is OK, but doing the selecting process 
AGAIN for large scale board files is not a good practice, anyway I may consider 
on just assigning SI models on ALL packages so no need to have the selecting 
process, but then I will have a number of unwanted Xnets

 

 

Thanks

 

 

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx 
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of cadman10@xxxxxxxxxxx
Sent: Wednesday, June 24, 2009 11:18 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Exporting and Importing of SI Models

 


Aries,

If you just want to change some of the componets you can go to analize >si/emi 
sim >models, find the device in the listing, and select it, if you already have 
models assigned and you do not want models , go on the bottom of the form and 
change from the "model_name" to "no model" then you can expand the device, 
press the "+" to show all the ref des in this device find that particular 
component and you should be able to assign the model you want from the dml file 
you are pointing to in the library

Hope that helps



On Jun 23, 2009, ARIES_LUMAGUE@xxxxxxxxxxx wrote: 

        Dear,

         

        Thanks, but how about export/import specific refdes with SI model to 
another board file

         

        Here is what I’m up to, if I have 10 resistors having the same package 
symbols and only 2 of it need to have an SI model, I want to change the 2 
resistor in the other board file without changing the other 8

        *        I did not changed the whole set of package because I want to 
keep the other as normal net

         

        Anyone tried this? Or a skill file perhaps

         

        Thanks

         

         

        
________________________________


        From: icu-pcb-forum-bounce@xxxxxxxxxxxxx 
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of cadman10@xxxxxxxxxxx
        Sent: Friday, June 19, 2009 11:42 PM
        To: icu-pcb-forum@xxxxxxxxxxxxx
        Subject: [PCB_FORUM] Re: Exporting and Importing of SI Models

         

        Aries ,
        
        The topology files do not have the si modeles in them they are just 
electrical rules and scheduling for nets/xnetx, the model are stored in the 
device.dml file, if you go to analize >si/emi sim >models, and select auto 
setup , most of the discrete will be auomaticaly assigned from the cadence 
default, you can also dump the models from a brd by going to analize >si/emi 
sim >model dump/refresh, this will create a file called board_name.dml, then 
you can add this to your device library in analize >si/emi sim >library, select 
Add existing library and browse to that file
        
        you may still need to run analize >si/emi sim >models, and select auto 
setup to assign the models
        
        hope that helps
        
        

        On Jun 19, 2009, ARIE S_LUMAGUE@xxxxxxxxxxx 
<mailto:ARIES_LUMAGUE@xxxxxxxxxxx>  wrote: 

                Migs,

                 

                Thanks for the reply.. But can you give me some details how to 
do the process

                 

                Here is how I’m doing it now

                From File with XNET

                1.       in Constraint Manager

                甲、    File Export --> Electrical Cset

                *** At this point I have an output of *.top files

                 

                 

                In the File without XNET

                1.       set up the correct path for my *.dml models, in User 
Preference Signal_Analysis Folder --> signal_install_dir

                2.       in Constraint Manager

                甲、    File Import --> Electrical Cset

                *** I have selected the *.top file previously generated

                 

                Then check my nets.. But still they are not converted to XNET

                I’m using Allegro v15.7

                 

                 

                Thanks

                 

                 

                 

                
                
________________________________


                From: icu-pcb-forum-bounce@xxxxxxxxxxxxx 
[mailto:mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of O Migs
                Sent: Friday, June 19, 2009 11:06 AM
                To: icu-pcb-forum@xxxxxxxxxxxxx
                Subject: [PCB_FORUM] Re: Exporting and Importing of SI Models

                 

                Aries,
                
                All you need is the *.top(topolgy model) and the *.dml(ibis 
models).     Also make sure you are pointed to the same SI libraries.
                
                Regards,
                
                -oscar
                
                oscar miguelino

                On Thu, Jun 18, 2009 at 6:41 PM, <ARIES_LUMAGUE@xxxxxxxxxxx> 
wrote:

                Dear ALL,

                Anyone knows how to merge or export/import SI Models from one 
board file to another? (Having the same board file but just different revision)

                Or I just need to re-setup everything in the Database Setup 
Advisor – SI Models 

                 

                Thanks

                 

                 

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