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Uncoupled length for diffpairs

Hi All:How do we allow uncoupled diffpairs in a bga region, but do not allow anywhere else ?Thanks,Les

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Orcad Capture PDF Export utility and PDF Creator problems.

Hi, I have Orcad Capture v16.6 and I am trying to set up the Tcl/TK utility PDF Export to use PDFCreator.exe as its PS to PDF converter. The problem I have is that the PDFCreator print list appears and...

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How to flip (mirror) the whole design from top to bottom (parts, traces, vias)?

HiSometimes I need to move the whole circuit or portion of a layout from top to bottom or via versa.This is a permanent move, not just pressing on the Flip button.I just wonder if anyone has a good way...

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Button for Script

Hi AllIs there any way by which we can make a button and assign it a script in allegro PCB EDITOR.ThanksNWK

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Auto Routing

Hi All Is there any way by which we can automatically route a portion of PCB (for e.g a circuit) and return to the main pcb?RegardsNWK

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Assigning Manufacturer/Vendor/PN to created parts

Hi all,This is probably very simple, but I can't find the answer anywhere.I've created a few symbols in OrCAD, and their associated footprints in Allegro to use in designs. I'd like to assign...

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Windows 10

I just upgraded my win 7 to win 10.  Both OrCad PCB Editor and OrCad capture are running extremely slow.  It take about 2 minutes for the software to come up, and then every command take at 30 seconds....

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OrCAD Capture CIS BOM doesn't condense BOM?

Hello,I've been doing some research on this but can't find anything in the forums. I'm trying to output a BOM with all like parts on 1 line, to condense the list and make purchasing easier.I start the...

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Soldermask for nonplated padless holes

I am wondering if it is necessary to specify a soldermask opening in the padstack for a padless nonplated hole, such as might be used for connector housing locating bosses or split barbs, snap-in...

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PCB Designer: Adding Right Mouse Button pressed hand tool (sliding the view)...

Hi everyone,I would like to add a hand tool that slides the design as the cursor moves, just like it is in Cadence Design Entry HDL schematic. Actually when middle mouse button is pressed, the action...

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Circuit simulation in Pspice

HiI have this circuit that I want to simulate in Pspice. I have been able to make the schematic so far as per the given circuit. The AD8336, AD736 and AD8551  have been added externally as they were...

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How to use RotateSilkAssyRD.il skill file

Hi i have downloaded latest file RotateSilkAssyRD.il. it is V2.2.Now when i tried to load the file, i use this along with nsware code:Data of "allegro.ilinit"; load the nsWare framework and...

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Differential pair DRC within Constraints region

Hi all,I'm setting a region in the BGA area for 4 mils spacing line/line.  My 90 ohm pair came out to be 3.7mil spacing so it violates this rule.  I know I can lower the constraints with in the region...

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Circuit simulation: Models for subcircuts undefined (OrCAD_16.6_Lite)

I have this circuit to be simulated in Pspice. I'm a complete newbie to it. But so far have managed to make the schematic (adding external components, which were not available already in the...

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Drawing Boxes around circuits on HDL Schematics

Does anyone else draw boxes around sub-circuits on flat designs?  It seems like there should be some sort of "Box Tool" to help divide your schematic up.  We typically end up using wires, drawing wires...

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rotate

Usually my key 'r' that I assigned to rotate components works perfectly, 360 degrees.On selected designs it just does a quarter turn, and I have to go back the regular rotate in right click. Any...

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Allegro Design Entry CIS missing part manager

My part manager is missing in CIS. I've gone to View - Toolbar - and selected Part Manger on and off and on. This didn't help. Please help!! Thanks,Jill

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Parts not in schematic that need to be in a BOM

When I was using Cadence Capture about 8 years ago at another company, we had the ability to add tables of parts to a design to allow us to add parts that were part of the BOM for design tracking...

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How to add multiple pins in a group of constraint

Hi all,In one of our board, for a SRAM group which having series resistor's as terminators, for delay tuning, I wanted to add the traces from FPGA to resistor and from resistor to SRAM in a group to...

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Update Symbol library path

Hi,I have a RevA board file and its associated symbols and padstack located in a directory. Now for RevB I'm making few changes to some padstack and related symbols. For RevB, I created another...

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