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IBIS file and stimulus updation error in speed2000 tool for EMI Simulation

My board file have fpga and dac signals which needs EMI simulation I have uploaded the IBIS file of virtex5 fpga in the speed2000 tool for EMI simulation but the columns of power_clamp, ground_clamp,...

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DE HDL Part Manager Export

Hello!Does anyone know a simple way to export the Part Manager info in DE HDL? I have a circuit with multiple module blocks and would like to create a master bill of materials for the modules.  I see...

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from Capture to "Allegro System Capture"?

Has anyone used Allegro system capture? At the moment I don't have a lot of use for the "system" function. I'm wondering how it works for creating a single board. Only reason I'm asking is because we...

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Unable to update the PCB board file using updated schematic.

Good day Engineers,Hello Sir/ Ma'am,I'm new into cadence and I'm having difficulties to debug the problem using Allegro PCB Design Entry HDL.Firstly, I'm using Cadence 17.2 version. I have updated...

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heterogenious parts U1A,U1B,U1C,U1D to pcb U1

hi iam  thiyagu,                       I created a heterogenious parts U1A,U1B,U1C and U1D.after completing, i don't know how to change as U1. how to change plz tell me.

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Orcad 1.26 from the 80's !

Does anyone still have Orcad 1.26 Dos Version Installable Disquettes ?I only have the pre-installed zip file with only CGA driver...I wish to re-open my files in hires grafx !i need at least VGA driver...

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Vias under package

So i have this footrpint where the manufacturer suggests thermal vias under the package as shown in this picture....I used Ultra librarian to create the footprint for ORCAD. The problem is that it...

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Fill Factor Report Info?

Hi everyone,Is there a tool that I can run that tells me fill factor info, including I/O count, current pin density, and board area, etc. ?

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Missing "Replace Etch" in Option window

Hi,I lost the Replace Etch option in the Option window when I am in Route mode. Could you help?Just happen on this design only, the others are okay.Thanks,Regards,TiBo

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Using Numeric Keypad keys as funckeys

Hello,I want to assign functions to numeric keypad keys.For example I would like to have "Ctrl+numpad4" create fanout with direction west. "Ctrl+numpad6" fanout with direction east. And so on.My...

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Unable to find unrouted net

Hi There is only one unrouted net remaining in my design. and i am unable to find it.I tried setting global visibility to off and then displaying rats all.It did not help. I do not know maybe it is...

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Font and Font size on symbols not carried over to schematic capture

Is there a way to get OrCAD Capture to display a symbol exactly as it was created, complete with the font and font sizes used during symbol creation?

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No license Found Please Contact your Cadence Sales Support

Hi, Iam using Cadence Allegro 17.2 version. I am tried to export pdf from brd file.but it says "No license Found Please Contact your Cadence Sales Support".how to fix it.

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Download manager not working

Download manager has stopped notifying me of the latest orcad 17.4 hotfixes. In fact the last two hotfixes i have had to go to the download software section of the cadence website to download them I...

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Why do vias change net name ?

When I  change a plane on another layer certain vias that are not related change there net name. Is there any way to stop the software from changing the net names on vias ? 

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Changing properties on a dynamic shape.

On dynamic shapes you can edit properties but the software does not same them. Is there a way to make this work ? 

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Urgent Question about Downrev from 17.4 to 17.2

I have tried to downrev form 17.4 to 17.2. I choose Setup-User Preferences-Drawing and choose database_compatibility_mode to 17.2.  Then export downrev to 17.2. When I tried to open design in 17.2 it...

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Split plane openings/antipads not shown.

I have a design with several power planes and for some reason the planes are shown as solid, like everything is poured over but I don't get any connectivity errors. I am fairly certain that it...

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Shorts and DRC

How do I make a 2 pin component who's sole function is to short pin1 and pin2 together without DRCs?I would like to make the overall outline to be small enough to fit in between the 2 pads of a 0201...

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Gerber files

Hello,My PCB color views perfectly file, but when I generate the Gerber files, (.art) they are totally different with color view files. for example, my top layer view in the .art files is shows full...

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