Clik here to view.
Bug in Capture: Properties Spreadsheet
Hi all,This is a hard bug to describe. I have a complex multi-page schematic. No heirarchical blocks, just multiple pages, off-page connects and refdes control (page number prefixes for ref des). I...
View ArticleClik here to view.
How to change schematic units in Allegro Design Entry
I am using Allegro Design Entry HDL and the 'Tools, Options, Grid' is set at metric.But when I set it to Decimal, the constraints manager still shows the units as 'mm'.How do I change the units so that...
View ArticleClik here to view.
WARNING(SPMHDB-46): Illegal null pad. (VIA)
Hello, I'm running into a strange error that I can't quite figure out. I'm hoping for some assistance. Here is the error (theres a bunch of different versions of the same error):ERROR IN PAD STACK...
View ArticleClik here to view.
Assigning copper pour to a net
Hello all,I have another pretty simple question. I want to fill the top layer of my board with copper pour. The way I tried to do it was I took the board outline and did a Z-Copy and contracted the...
View ArticleClik here to view.
Skill on PCB Viewer
Hi,Does SKILL works on PCB viewer (not free one)?I get error: "E- Command not found: skill"Please help.Thanks,Darshan
View ArticleClik here to view.
Circular Shape PCB Board
How do I create a circular shaped board outline with a fixed radius. I don't see an option for circular/elliptical shape in setup--> outline--> board outline.Any help is appreciated.CheersSavy
View ArticleClik here to view.
ERROR [MNL0025]
i have following errors. Plz anyone can help meERROR [MNL0025] Layout DB Error code 18890, '1'.ERROR [MNL0025] Layout DB Error code 18890, '1'.ERROR [MNL0025] Layout DB Error code 18890, '1'.ERROR...
View ArticleClik here to view.
unable to add vias on one side of the board
Hi all, i am trying to design a multilayer PCB board.i have routed a large extent of the board but when i am at my final routing stages i am unable to add vias by double-clicking.When i try adding...
View ArticleClik here to view.
Converting .dat files to csdf
Hi All,I would like to know if there is a simple way to convert binary .dat files produced by AMS Simulator to .csdf or .txt format. (Perhaps a command line utility)This would allow us to use python to...
View ArticleClik here to view.
Strange routing problem
It happens suddenly - every attempt to connect or route finish with track that has no net (Null Net and Line to SMD spacing error). It also want to start route from specific layer (in my case layer...
View ArticleClik here to view.
Exporting library from old design files
Hi everyone,I've been searching on this forum and others, and so far haven't found an exact answer to my issue and I'd really appreciate your input. I'm coming back to OrCAD after a few years with...
View ArticleClik here to view.
How to measure Net Etch Length considering vias in vertical direction using...
Hi all,I found that Allegro can't measure net length with via height between the routing layers, which is illustrated in following figures. These two connections actually have a difference of (board...
View ArticleClik here to view.
How to Export PCB data out in *.PAR, *.NEC from OrCAD 16.6?
Need your help and support to find export options (for exporting complete Board data) from OrCAD 16.6 PCB Editor.The fly probe test software excepts following formats (Shown below in the table) . Need...
View ArticleClik here to view.
Editing Refdes of Library Builder Part
Hi everyone,I created a header using the Library Builder, which got assigned a reference designator U?. I went into the Edit Symbols Properties and updated the Part Reference to J? and exported the...
View ArticleClik here to view.
Import Design: Reference Designators
Hi, I have an existing Allegro HDL schematic design (Project A) and PCB (.brd). I'm not starting a new design (Project B). The starting point for Project B is an internal project template...
View ArticleClik here to view.
Allegro PCB 16.6 funckey show/hide subclasses
Hi,I want to create a shortcut that will allow to show or hide layers that are visible. For example I press "x" and then Package Geometry / Silkscreen TOP appears and I press "z" and this layer hides....
View ArticleClik here to view.
DRA - Adding Via in pad
Version: 16.6 S.053 (Latest Hotfix)Editing a footprint trying to add a via in pad. --------------------NOTE this is a DRA file---------------------------Issue: No available viaTried adding a via to the...
View ArticleClik here to view.
Impedance/Length Matching Tracks in PCB Layout
Dear All,Kindly guide me which criteria should follow to do length and impedance matching in PCB layout?Right now I have a design with different type of flip flops, Do I have to length match of data...
View ArticleClik here to view.
How to remove.
Hey,I am new user for 16.6 version.I have issue with i made some changes on my schematic.I have remove some parts from schematic.Parts were removed successfully but traces/Tracks not removed.(Not a...
View ArticleClik here to view.
Exact symbol rotation
If I rotate previosly symbol/component by mouse (or somebody left before me on 359.45deg),what is the easiest solution to move/rotate the symbol to 0 or 360deg exact? Until nowfastest for me is to...
View Article