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What the drill size to be use in BB vias?
Hi.. I am trying to work on the six layer PCB board. In that i had configured BB via for the layers what ever to be used in the board. But my doubt is for through hole via i had specified the drill and...
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Board Outline compose error
Hi,I am designing a new baod Allegro 16.6. When I try to compose the Outline subclass of Borad Outline I see below message without any effect on board corners. I can't compose Route Keepin nor Package...
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PART PROPERTIES COLOUR CHANGE IN ONE SHOT
Hi, I have a 100 pages schematic design,i want to change the colour of the part values for all the parts in the design. i able to change page by page through partproperties editor but it resets the...
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Constraints for fanout
Hi, I want to create some rules for Allegro PCB when it creates fanout for my BGA. I have defined two types of VIAs and I want to force Allegro to use one VIA - and thick track width - for Power&...
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Why power net in Allegro PCB become white color?
Hello everyone, I have one problem with Allegro PCB that after my PC shutdown suddenly while open Allegro PCB, then startup PC and open PCB again so power net become white color (it only show...
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question of DRC check for Soldermask to cline spacing with respect to top and...
Hello everyone~I've meet a weird problem. The DRC check can only find the spacing error of top layer, but can't find the error of bottom layer , I mean the Soldermask to cline spacing . I've set the...
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Is there any community for sigrity?
Hi.. Is there any community for the sigrity SI & PI analysis??????
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How to split a power plane for various powers
Hi eb,I am using Allegro 16.6 for my layout. I made GND plane by Z-copy from my board outline with an offset. Now all the board on this plane is assigned to my DG net. I want to know if there is a way...
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Dehilight doesn't work for a net
Hi,I've assigned a color to one of my nets in Allegro 16.6. When I want to dehiligh it, it doesn't work!. I see below message in the command section but nothign changes:Net "Ag" dehighlighted. I've...
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MySQL with Orcad CIS Table Property type for Part Number
HiI am new to setting up a MySQL parts data base however I have managed to use MySql Community version to create a small database jus one table and 2 or 3 row. All i was trying to do is create a table...
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CIS Database Problem
Hi GuysI have my MySQL database running for CIS now and I can access parts in the database and also place them in a schematic using the CIS Explorer. But when I try to link a placed part in the...
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user preference editor option is not enabled?
Suddenly the user preference editor option at setup parameter option is been not enabled . The message is "No preferences files found." Any help.... Thanks & Regards Dhamodharan
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CIS Database Issues with MySQL
Today I have worked through a number of issues with using MySQL for the CIS Database.I prefer MySQL over using a file based database in order to allow access for multiple users from multiple PCs.In any...
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Issues with Padstacks and RefDes
First of all, I just want to say I'm very new to the program and PCB design itself- that being said, hopefully these are two easy fixes... The first problem I ran into is accidentally moving reference...
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Wrong naming of nets
Hi,We are facing a strange problem that when we imported schematics to board file the net name appears too long in constraint manager as shown in attached image. How to overcome this issue? Using...
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How to add NODRC_COMPONENT_BOARD_OVERLAP to a package
Hi,I want to place part of my package out of package keepin of the board - it is a BNC connector - for some reasons and I have found a property which helps DRC checking ignore this error. As I read in...
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LogoMaker - improved, and now multi-platform.
Please, please, please follow the instructions fully when installing. They are at the top of the Skill file and also here:Download and install the precompiled potrace release suitable for your...
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how to define the units in mm?
Hi.. Just now i had start to Analyze the quality of the signals in the pcb board. In case manually i want to analyse the signal manually means how can i define the units mm? For the signal explorer the...
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How to create negative artwork or pdf?
Hi! First, sorry for my bad english. I'm not an allegro expert, i use it rarely. I'm using allegro PCB Editor 16.5. So far i used positive artwork files and pdf-s in my designs for positive...
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How to change the font in the user pref. options?
Hi.. I had tried to change the font in the Allegro PCB Design XL. In that font1 -Kanji & font2-Kanji are been used samely. when i had tried to change font from Kanji font ---> Arial font ption...
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