Gerbers (.art files) not showing in viewer?
Hi all,I'm trying to sort out my Gerber files for manufacture of a PCB and for some reason I can't get the Gerber to show in any viewer?Anybody got a clue as to why that may be?Thanks in advanceB
View ArticleAllegro closes suddenly while running eagle translator
While running the Eagle PCB translator the software just closes suddenly with no warnings or errors. The log just cuts off wherever it is at, but no allegro brd file is created. Any ideas on what might...
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shape symbol
helloi am trying to modify our customer's desgin but it gives me the following error message when creating a symbol.ERROR(SPMHCS-2): Shape symbol cannot have multiple shapes.the symbol has 3 circle...
View ArticleHow to upgrade Software?
Hi, Currently we using 17.4 -2019-S032 , showing latest version available 23.1-2023-P001. We checked software download base release. How to upgrade 17.4 to 23.1?
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How to Reduce DRC for High speed transition via anti-pad
I have created an oblong shape route keep-out for the via (High speed transition in my layout. However, this causes many DRCs due to the via and the trace overlapping with the route keep-out.I need...
View ArticleHow to get the layer of a path segment
Hi,I am trying to retrieve the layer of a path segment to add to a report in SKILL. Is there a retrieval command? Thank for any assistance.Terrie
View ArticleHow do I calculate the Z height of a via used in a specific net
HI,I am trying to calculate the exact length of a specific net, and I need to get the Z height of the via used for that specific net. They are through vias but I only need the section used by that...
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Understanding Electrical Constraints in Allegro PCB Editor
What are Constraints?A constraint is a user-defined requirement applied to a net or another interconnect object in a design. Constraints are used to the audit routed interconnect, determining whether...
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OBD++ Error
Hi, When I try to export ODB++ , I receive following error. We are having same error i.e. "log file does not exist" with different designs and ODB++ file did not created for any design. what could...
View ArticleWaived DRC
Hello,I would waived a DRC error on the design with or without a comment. But once I "Update DRC", it keeps on coming back. Also, as an example, once I "Update DRC", the errors shows "0", which is...
View ArticleAllegro free view setup - change mouse settings
I am new to Allegro and I am trying to get the free viewer setup.How do you change the mouse panning direction?The default mouse setting is backwards to my thinking.There does not seem to be an user...
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Is it correct to route connections under the component?
I am routing the traces under the connector, is it a correct way to route or should I use beneath layers to get the connections out. I am attaching image for reference.
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Fiber weave effect calculation in pcb
Hi Team,Good day!How to calculate the angle offset and max length?Here is my stack-up You can consider my signal to be routed in layer 3.Please help in understanding the calculation and concept of...
View ArticleAuto Placebound of footprints
Hello,I am using PCB Editor 17.4, when I generate a footprint. I define the placebound top and DFA bound top. When I place a component on my PCBs it seems that PCB Editor is still auto generating a...
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Understanding Electrical Constraints in Allegro PCB Editor- Part 2
Our last post on Electrical Constraints briefly described about the Electrical Constraints. This post will cover the Analysis Modes and the licenses.Analysis Modes: Once the constraints are set up in...
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DB Doctor
Hi, Looking to convert an older version 16.6 of a layout and free viewer says I need DB doctor. Any one know where to download or access?Thanks, TonyD
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What’s new in Allegro X PCB Editor: How to specify Drilled Hole Diameter in...
Starting SPB 23.1 release, a new field, Drilled Hole, is added in the Drill tab of Padstack Editor.Drilled Hole Diameter: This specifies the diameter of the hole after drilling. This is the size of...
View ArticlePanelization Syncronization Issue
HiI have been using Panelization Tool to in PCB Editor for a while now.Today, i updated something in the individual PCB so that i could import it in the Panelzation Tool.As soon as i uploaded the new...
View ArticleSevere Lag in OrCad X PCB Editor During Routing and Infinite Cursor Use
Hello Cadence Community,I'm encountering a serious issue with Cadence OrCad X's PCB Editor that's significantly hindering my work. I've recently started experiencing extreme lag during routing...
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Gerber format options that to be selected.
Hi Team,Good day!While generating the Gerber files, Which checkboxes should be selected, and why, especially concerning the suppression options and the apertures?..Please help us understand in...
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