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DDR Routing ,Constraint set

Hi friends,               I am new to DDR Routing in allegro PCB Editor ,Anybody please help me to understand how to set the constarint and routing,Please share any document which is related tooThanks...

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PSpice Capture Lite Error No Pspice Template

Hi,I am working on a school project involving a power switch and I am using PNP and NPN transistors in my pspice model. When I go to simulate the project, I am getting green circles above the two BJTs...

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Still fighting with Pad Designer

First, is there a good help site for Allegro? In the Cadence Help the search is crazy. It tells you much to much(i.e. for the Router), butalmost never the solution.I have a Padstack with a custom shape...

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IDX Export

 Hello,I want to export design from PCB Editor to CircuitWorks, it's working but not for copper shapes...Have you an idea, how to export shapes ? (V16.6)Thanks for help

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Creating Guard Rings

I am working an example learning how to do PCB design using Allegro PCB editor from the OrCAD 16.6 suite, and I'm having a problem where, when I try to put a guard ring around a through-hole pin, it...

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Converting Layout (.max) to CADstar PCB getting an error?

Hi,I want to convert the layout file to CADstar PCB using the export option.I had doubt on the original CADstar file?Where i have to search it. When i used to convert it means the converted file size...

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update library parts in schematic using Design Entry CIS

Hi everyone,I have drawn one schematic,after updation of schematic symbol from library, how to retain the previous connections??Pls suggest asap. Thanks.

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PDN Analysis Static IR drop sim fails

I'm experimenting with PDN analysis on a trivially simple design (2 DC sources, 4 caps and 1 load resistor).   Static IR drop analysis fails with this log message:10:46:04:       Parse all pin shape...

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Worst Case Analysis Simulation of a Voltage Regulator

I would like to be able to run a worst case analysis on a circuit that contains a oltage regulator. As an example the LM117 has a fluctiation of +-%8 between its nodes, which varies the nominal voltage...

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Encounter, Allegro, Incisive or Encounter

Hi everyoneI have been using OrCAD, PSPICE and PCB Layout at University. I have just started a job and the company is also using Cadence software, but not OrCAD. I think I spotted "Allegro viewer" as...

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Changing reference designators without re-placing components

Hi,I have a board file and schematic that are linked. There are 5 different schematics and layouts (already manufacturered) each are independant of each other but are on the same board with v-grooves...

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Two Layer Board with copper fill on top and bottom; Problems with Void...

Allegro 16.3. I have created a simple two layer board with copper fill on top and bottom. This copper fill is my ground plane. I followed a manual that explained how to create the shape, assign a net...

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Creating PCB panels in PCB Editor

Can you duplicate your pcb in editor? I've just finished designing a pcb and I want to create a panel with 18 PCB total (9 rows 2 colums) with a technical edge on each side so than i could send the...

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Pick and Place include variant changes

Hi,Is there a way to include data (changes) from the variant editor in a placement or component report ? Regards Jürgen

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IDX Export

 Hello,I want to export design from PCB Editor to CircuitWorks, it's working but not for copper shapes...Have you an idea, how to export shapes ? (V16.6)Thanks for help

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Optimizing a model parameter

Hi all,I'am new to Orcad Capture and Pspice (v16-6).My problem is that I would like to optimize the parameters of some models (i.e. of the standard diode model or of a standard level 1 mosfet) with the...

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Drill File Not Recognized

I'm having problems getting my board made. We have a small machine on campus capable of printing a board (I think only 1 sided), but the technician is telling me that the drill file generated by...

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Cline width change

Hi allIf there is a board routed with different Cline widths for example 5 mill, 10 mills and 25 mills, then is there any way (any option, any skill program ,any script) by which i can change line...

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Stimulus simulation error

 hi guys i have been doing a exercise out of a book that involved The vstim stimulus part from the sourcestm library.  when i edit the the properties of the stimulus like it is supposed to the stimulus...

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ODB++ Inside

Hello - Yesterday I attended a Mentor Graphics presentation on ODB++.  Naturally, the presentation was MG slanted but during the presentation they mentioned "ODB++ Inside" for Cadence products.  I'm...

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