Converting Flat Nets To Ports
Is there a simple way to convert Flat Nets to Ports? I have a design without hierarchy and I want to add it. Currently I have to do one net at a time which takes too much time. Thanks
View ArticleHow to edit text in model editor?
Sir/Ma'am,I am new to cadence and PCB design software so please bear with me if this is something simple.How do I get rid of the following errors:**** EXPANSION OF SUBCIRCUIT X_D35 ****X_D35.D1 N17008...
View Articleuse dynamic copper and Cut out
HiI've some qustion.... I am not good English writing...PCB editorwhen applying thedynamic shape atthePlate Hole"HERE" such as the option of creatingthis??- negative plane- I'd like toseecheckedeasily.
View ArticlePCB prototyping
Hi, I am interested to understand why is it that the currently commercial PCB prototyping tools (fast CNC, printers etc.) are not so widely adopted by the designers' community, the idea seems good so...
View ArticleCopying and pasting same circuit block layout in Allegro PCB-16.2
Dear All,I have a circuit block that is repeated 10 times.I have drawn it in Orcad capture by copying and pasting 10 times.I did the lay-out of the block in Allegro-PCB editor.Now when I am copying...
View Article[ALLEGRO] "Place replicate" grid issue
Hi! Can you please help me with understanding how aligning to the grid works when I use the "place replicate" functionality? For example: I have two capacitors in SMD package I put them on the layout...
View ArticleEye Diagram Parameters in SigWave Script
I've created a PERL script to generate a SigWave script to display selected waveforms. One of the attributes that I control with it is putting SigWave into eye diagram mode and setting the...
View ArticleBenefits of converting PCB files to gerber files
Generally, pcb design engineers is used to sending PCB format files or just output PCB files from PCB design software to the pcb manufacturing factory, sometimes this will bring some trouble and risk...
View ArticleDiff pair to diff pair spacing based on their vias?
For forever and a day I've been able to manage pair-to-pair spacings without any effort. Allegro conveniently stores the primary gap spacing with the physical rules, so this has always been a breeze....
View ArticleZ-Copy Shapes
All,I'm trying to z-copy shapes. I have 4 sucessful layers where I fail to creat shapes on AGND\PGND & PGND|DGND. I use the same procedure, what am I doing wrong or stupidly?-Ron Scott
View ArticleModel of LM1893
hello, can you help me to find a model simulation of LM1893 component in Pspice? or method to simulate the schema that exists in the PSpice library Analog2 . thank you
View Articleinductor symbol
Dear all, In Orcad 9.2 how i will place inductor symbol in SS(silkscreen), and their is any indcutor libraries available in internet or not. Give some ideas...thank you
View ArticleCapture not able to generate pcb editor netlist files
Whwn I prepare any project in orcad capture and then create netlist for the Pcb Editor and i chose the option to open the board file in allegro pcb editor . When i click ok it just displays the...
View ArticleIPC-7351B
All,I tried following the directions in th CD and it didn't work. Anyone here have the magic sauce? It's telling me to install in these directories: These files must be manually copied to either the...
View ArticleScript/Source files nested too deeply
After I installed Cadence 16.5 on one of our machine and when I try to open it I got this error (see below image) –any suggestion? Script/Source files nested too deeplyUnable to find the messaging...
View ArticleHow to select all the shapes & traces efficiently in "Place & Replicate"...
Dear All,I am using Place & Replicate option to create a Module which can be later used for replicating layout-blocks in Allegro-16.6.When I am clicking "Place & Replicate create" after...
View ArticleDRC error in pcb editor
hi every one, i have a problem when i have DRC check in pcb editor , the error is: line to thru pin spacingit takes on my regulator ( LM2676)how can i fix it?thanks
View Article[ALLEGRO] Constraint regions under BGA
Hi, I have to you the following question: I have two different Physical Classes. One is e.g. for 100Ohm diff pairs and the other one is for 50Ohm single ended lines. Let's say that diff pairs are 5...
View ArticleUnsupported Prototype message when moving component
I'm new to this software, and recently this new thing that has started happening on my design, but when I try and mvoe a component, I get the pop up for:"This is an unsupported prototype level...
View ArticleODB++
All,When running ODB++ on a board that is DRC clean, I get a message that "translation failed " and then the open viewer failed, File continues on and it does generate a .tgz What's a solution to this...
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