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...
View ArticleCadence 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...
View ArticleTransformer 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...
View ArticleCannot 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...
View ArticleThe 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...
View ArticleBack 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...
View ArticleProblem 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...
View ArticlePCB 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...
View Article[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,...
View ArticleOrCad 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...
View ArticleNet 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...
View ArticleSymbols 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...
View ArticleStrange 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,...
View ArticleA 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...
View Articlehow 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...
View ArticleOrCAD 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...
View ArticleORCAP-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...
View ArticleExport Artwork Control Form?
Is it possible to export a Artwork Control Form setup? I'm trying to avoid doing it manually.Thanks
View ArticleA 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...
View ArticleManufacturer'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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