17.2 impedance calculation ?
Hello,I notice that in the Layout Cross Section of 17.2 doesn't have Impedance option anymore.16.6 has it.Has this feature been removed in 17.2 or hidden somewhere ?Thanks,Regards,TiBo
View ArticleDrag trace not moving
I am picking this file up from someone else and the file they sent me has a setting i cannot locate. When i attempt to click on a trace to drag it, i cannot drag it, instead i gives me this errorW-...
View ArticleDouble-click on .brd opens different board
Double-click on .brd opens most recent .brd insted of opening the clicked .brdPlease help.PCB Editor 17.2
View ArticleConvert Altium Designer SchDoc to Capture CIS
Hello, I trying to convert my AD sch files to capture CIS, there are several sch files in my AD project, but when I convert them, only one file would be converted successfull. How...
View Articletest point spacing
Hi,What is the nominal spacing between SMD components to Bed of nail test point regardssubbu
View ArticleAllegro screen white out
Running Windows 10 with 16.6 and latest hotfix. Windows 10 did an update the other day and now my Allegro screen whites out if I hover over the visibility tab or if I click on any other application...
View ArticleHow to up date schematic and pcb without re-placing all other parts ?
Greetings,After the parts are placed in PCB environment, I made change in schematic. How to up date PCB accordingly without re-generating netlist and re-placing all the parts again.ThanksCheng
View ArticleCan Cadence export .xdc files for Xilinx Vivado?
Hi there,We are design SCH and PCB involving Xilinx Artix-7 FPGA. As usual, we did pin swap during layout, and then we need to verify the swapped pin assignment in Xilinx Vivado .We do this manually in...
View ArticlePrint allegro schematic as pdf
Greetings,How to "print to file" the schematic as pdf? Or some way to save schematic as pdf format?Thanks for any suggestions.Cheng
View ArticleCIP from ema-eda tool to Cadence
Does anyone know when CIP went from being ema owned to Cadence owned? Originally one license would support multiple simultaneous users. At least that's what I understood. That is no longer the case.
View ArticleReplicate Section of PCB Placement without using Place Replicate
Hi all, I have to copy basically the same circuitry 3 times onto one board. It's roughly the same layout and I really don't want to do it 3 times a piece. I know that place replicate can take care of...
View ArticlePCB Footprint Preview Viewer
I just started to learn the Orcad PCB system for a month now and found that viewing PCB footprints en mass is not easy. In fact there are no way to view them other then putting a bunch of footprints on...
View ArticleCannot find export->subdrawing in OrCAD PCB Editor 16.6
Dear Cadence PCB Design Community,I am trying to make a symbol out of the visible features on a complete board design (a plug-on daughter-board) so I can use it as a symbol in another board design. I...
View ArticleMake Changes to Layout Without Libraries
I have a unique problem that I'm hoping someone else has encountered and solved. I want to make a simple change to a completed Allegro board file from a defunct division of our company, but have none...
View Articlefoot print
I am having trouble to import my custom dxf file as the foot print for orcad pcb editor
View Articlediff pair settings for different layers
I need different settings for my diffpairs on different layers. I have seen it done many years ago but can't remember how it was setup.What I need is for my diffpairs to change width/spacing when I...
View ArticleAny way to preserve a property (such as DNP) on parts when doing a replace...
I have a design that has a large number of 0 Ohm resistors, and some of them have a property of DNP with a value of DNP on them. I need to update all these parts with a new library part. I also need...
View ArticleCreating a library for different size resistors
Hi,I'm new to Cadence Allegro and not really sure how to navigate myself around it. I'm currently using Allegro Design HDL and I want to make a schematic of my circuit but I cannot find a library with...
View Articleetch length
I'm trying to setup the constraints for a set of electrical nets so they are the same length (think DDR type signal constraints), but when I go to analyze, it shows the unrouted net length having a...
View ArticleSoftware to evaluate power planes
HiWe use Allegro 16.6 and would like to add software or have the ability to evaluate our power planes for things like restrictions prior to release. Does anyone know of a tool or way to do...
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