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star point grounding

 Hi @all! I have a question concerning "star point grounding". Let me explain, what i mean: If i have two (or more) different grounds, let's say digital (DGND) and power (PGND), i want to keep them...

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Cadence Design Entry HDL connecting different widths buses

Hi!I use Cadence Design Entry HDL 16.5 for schematic entry. What I want to do is to connect four blocks(each has 16-bit bus input) to 64-bit bus.  I know that for connecting single net to bus I use...

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Transformer with 4 windings and nonlinear core

Hi,I’m actually working on a step-up converter (see file attached) at the university. For further improvements I need a simulation of the converter. As you can see from the paper attached I have to...

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Cannot add a custom Via: (Type Unknown)

 Hi,    I am now using the Cadence SPB 16.5.  Employing the Pad Designer, I have made up a through hole via, I want to use this via in my PCB design.  However, once I opened the constraint manager and...

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The Application has failed to start

 HiError:The Application has failed to start cdn_sfl401as.dll was not found. Please reinstall ... while launching Orcad V16.6 Lite I downloaded the zip and installed under XP Pro service Pack 3 using...

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Back Annotation Issue

Hi,While back annotating, I get an ERROR(SPCODD-549) in my swp.log file as follows,#549 ERROR(SPCODD-549): No physical part found for COMP_DEVICE_TYPE=AD5232_TSSOP16_TSSOP16_IC_1.2MM, regenerate the...

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Problem placing multi-part schematic symbol in Allegro Design Entry

 I just built a new schematic symbol using the spreadsheet entry method.  It has 9 sections (Heterogeneous) and I can place sections B through I with no problem.  When I attempt to place section A, I...

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PCB Editor | Netlist/refdes List Not Updating

Hello, I am currently using Allegro Design Entry CIS 16.2 and am attempting to have it take my netlist and port it into PCB editor. Problem is, when I go to place parts, I notice that whenever I update...

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[Done] why thermal reliefs in muti-layers board don't display ?

hi everyone,I'm a beginner in PCB and I'm following this tutorial http://youtu.be/oGfvVkD_3lUAfter pouring copper planes, we verify connectivity between pins and planes using thermal relief. In theory,...

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OrCad 9.2

Hi there, I am getting this strange issue, which is about my OrCad 9.2 PCB Editor, unwanted VIAS and connectors occurs whenever I reopen the layout design after completing and closing my  layout...

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Net Class to Dummy net spacing

Hi All,I am looking for a way to set constraints between a Netclass I have to the dummy pins.I have some high voltage area that requires much bigger spacing than rest of the circuit that is causing me...

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Symbols filter ON problem

Hi, When I am working in ORCAD or Allegro PCB editor and want to modify (Move, delete, change, etc..) anything with "Symbols" ON in "Design Object Find Filter" I see that ORCAD tries to draw many lines...

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Strange VIA behavior

Good Day I am getting this strange issue, which is about my OrCad 9.2 PCB Editor, unwanted VIAS and connectors occurs whenever I reopen the layout design after completing and closing my  layout design,...

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A simple question about PCB antenna?

Have a question about PCB antenna in schematic. I am doing a design which include a bluetooth PCB antenna.This pcb antenna is only a trace. I am wondering should I put a schematic symbol of antenna in...

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how create a ".cir" file in Orcad 16.3

Hello, I would like to create a "cir." file in Orcad 16.3 but I'm a little lost, is that you can help me? is and what you can tell me how to change the number of output bipolar transistors, ie, I find...

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OrCAD 16.6 for Circuit Design

Hi,I am new to OrCAD and here are my queries: Can I use OrCAD 16.6 for Circuit Design? as this software have some powerful tools like Capture & Capture CIS.Do we need Virtuoso Schematic Editor for...

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ORCAP-1228: Part is out of date with design cache but cannot update cache to...

When adding a part to a schematic, I sometimes get the error:ERROR(ORCAP-1228): Part <part name> is out of date with respect to the design cache. Use Update Cache to synchronize the part in the...

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Export Artwork Control Form?

Is it possible to export a Artwork Control Form setup? I'm trying to avoid doing it manually.Thanks

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A problem I have encountered in Orcad Capture CIS,please help

Hi ,AllI'm using Allegro 16.3 and i'm having some troubles with Orcad Capture .the following world will show this problem...

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Manufacturer's Boundary Recommendations

All,I'm in the need of information. I work in an environment that is geared toward the automotive industry. Typically, when I build a part, I'll also include a PLACE_BOUNDARY_XXX, which has a height...

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