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Regarding reference planes

Hi all,I have a doubt in giving the reference to the signals in High speed PCB. I am working on 16 layer board. My stack up is as below. I have a plan to route the high speed signals in L3. There is...

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If I move my schematic libraries to a different server, how do I update the...

Accessories> Cdns TCL/TK Utilities> Replace Path in Design Cache>The documentation and discussion of this particular utility is nonexistent.I have definitely found out that you get closer to...

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Copper Spacing

Hi all,I have some doubts regarding the Design For Manufacturing(DFM)I wonder why we need to maintain more spacing for shapes in PCB.For Ex  trace(copper) to other elements we will maintain 0.2 mm gap...

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Design For Manufacturing

Hi all,I have some doubts regarding the Design For Manufacturing(DFM)I wonder why we need to maintain more spacing for shapes in PCB.For Ex  trace(copper) to other elements we will maintain 0.2 mm gap...

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Can I assign net to a transferred Cline segment from another design

Hi,I have used replicate utility and copied some modules from my previous design in Allegro PCB. Now, the problem is that some Cline segments have lost their net properties and I have to assign net to...

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Where can I give the Library path for via in an Allegro design

Hi,When I want to specify via for various Physical CSet in my new design I don't see my own via in the via list. However, I have specified directories for psmpath and padpath. I am wondering if there...

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Can Pspice window turn off the Grids?

Hi there!I turn off the X-Grid and Y-Grid in Axis Settings of PSpice A/D. but there are still Grid-lines with large distance, which is not convenient for watching plots sometime.Is there methode to...

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How to find out which license server is being used

I normally have access to two license seats on two separate license servers on our network (separate machines). These two servers are listed in my CDS_LIC_FILE variable.  One of these licenses is not...

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PSpice two traces displayed in two plots?

Hi there!As we know, when we place two Markers(Probes) in SCH, and run F11, the PSpice A/D window will automatically display the two traces in ONEplot. If I want to watch those two traces in two...

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Meaning of Parameters of Power source symbol in PSpice?

Hi there,I choose a VAC symbol from PSpice's SOURCE.olb to make a AC sweep simulation. what's the DC mean here? Thanks!Is there any file that describe the exact meaning of every power source symbols'...

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How to get a Sawtooth Wave in Pspice?

HiI use VPULSE to generate Sawtooth Wave in Pspice. but the output's peak voltage is not 5V as I set. Why? Thanks.

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Intertool communications option not working in the latest patch 16.6-64. Is...

Intertool communications not working

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Capture: Update part from spreadsheet?

I work for an IC manufacturer.  For a new IC, I created a schematic symbol using Design->New Part from Spreadsheet.  After cleaning up the symbol, I used it in a preliminary schematic.  Now, the IC...

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Capture shortcuts using SendKeys not working.

Hi, I can use macros in Capture schematics but when I try to use the SendKeys command to create a keyboard shortcut I am getting no response from the system and no error messages. I have checked two...

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Cheap Kitchen Units Online UK

Thirty Ex Display Kitchens To Clear. www.exdisplaykitchens1.co.uk £ 595 Each with appliances.Tel 01616-694786

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How to Add Silver plating for component soldering on PCB

HI guys ,I just had my first prototype  PCB manufactured , Single side board .Everything seems fine however there was no silver plating at the bottom of the board to solder components .Can anyone tell...

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Unable to place database part using query

Hello,I managed to setup a database in OrCAD Capture CIS and I can place components using place database components and components selected in the explore tab.But when I try to use the query tab, I get...

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How to avoid nets being renamed during eco

I am importing logic into an existing design.  "Allow etch removal during ECO" is unchecked.  Some of the footprint geometries changed resulting in pins disconnecting from nets during the import.  When...

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Allegro 16.3 crashes whenever find filter selected

I opened 16.3 PCB Design today.Whenever I pick the find filter, the program immediately crashes and creates a .SAV file.I have uninstalled, reinstalled, and installed the hotfix. I am running version...

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Dynamic shape too small and will not update/fill

Hi,When I create a dynamic etch shape and it is under a certain size/area the dynamic fill does not show up just the shape outline and PCB Editor reports the shape as "out of date". Here is an example...

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