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Changing drill size for a particular component in Orcad PCB Layout
I was wondering how I can increase the drill sizing (drill layer) for a component (Test Point) in Orcad Layout ? Thanks!
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Impedance calculation in inner layers
I have a 6 layer board where layer 2 and layer 5 are ground and power plane other layers i.e, layer 1,3,4,6 are conducting layers.While routing on the top layer the impedance is calculated taking the...
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OrCAD Layout Library Manager crashes on SaveAs
I use OrCad 16.2. I have a custom library that I use in Layout. I have often used "Save As" to add a footprint from another library, or board layout (.max file), to my custom library. Suddenly, it...
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change Pin size of block in hierarchy design
Hi,there.I'm now using hierarchy design. but I found that the pin size displayed in the block is too small that makes it difficult to view. Are there any ways too make it bigger?
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Capture crashes when running DRC
I'm learning to use Capture, and when I get to the point where I need to run DRC, the program starts not responding and crashes. Any ideas?
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Auto Rename Ref Des in 17.2 - space between characters?
I am using the auto rename function, and when I select Preserve Current Prefixes, it adds a space between characters, such as C 147 instead of C147. I've tried changing the settings, but I can't seem...
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Rat shown on via despite connection
In Allegro 17.2 HF045 when I add shape or cline to connect a pin to pin still the rats for some via is shown. As in picture below clearly both pin are connected but the rat is shown. How can I fix...
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PicknPlace File generated from Orcad Layout is not in correct format
The manufacturer is stating that the pick n place file (XY data file), the locations are not referring to the body center for most of the components. I was wondering how I could make it so that the...
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Hide a schematic net name
Hi, I would like to be able to name a net in OrCAD Capture, and then hide it so it doesn't show on the schematic (or, at least in the exported PDF of the schematic). I have previously used PCAD that...
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Renaming caused problems with pin pair definitions
After renumbering and backannotating the ref des on a design, DRC's appeared on BUSS signal lengths since the U* are no longer the same and a few of (but not all) the pin pairs were different since...
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Defining Vias With Different Anti-Pads/Selected Layers In Positive Planes
Engineer has requested a smaller anti-pad on only 2 plane layers for a via on a high speed diff pair. I've created the special via with the different anti-pads on the 2 layers (whose names match the...
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PCB Editor is slow or app stop woking when I trie to move a part or symbol
Hi,I am having a lot of problems with PCB editor application. Always, when I trie to move a symbol or any part on the canvas it takes a lot of time and some times the application takes a lots of time...
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How to delete components using script
I need to delete a bunch of components (like 100 caps), I tried looking around the command to find a component using console commands but not luck.What's the script equivalent of Find->component
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Not allowing Dynamic shape on etch layer
I have a 4 layer design that I thought looked good but I keep getting DRC errors about all of my pins being to close to GND and/or 5V.Looking into it my plane shapes are static and all of my pins are...
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ERROR in 3D Canvas Viewer Export to STEP File.
Hi,I am trying to export the STEP file from 3D viewer but it gets exported and i see list of errors/warnings.Component model 'User_Library-RES_1609-0603.step' not found - ignoring for 'C119'.Component...
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Calculation of microstrip impedance in topology extraction (Allegro PCB SI)
I am new to PCB SI. I have got a problem of calculated microstrip impedance in Allegro PCB SI.I could address the problem that the doubtful calculation results were the microstrips whose traces were...
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SigXp -> CM
Hi,I've imported a single line topology with impedance and PD defined into CM as an ECS.However nether of these values show up among the constraints.What is the proper way to transfer constraints from...
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When using package symbol creator, standard library of footprint no longer...
Quite often I use the package symbol wizard to create new parts for my design, however recently when I go to select the psm file for the holes I can no longer find the standard examples like...
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Xtalk simulation
Hi,Is there a way to extract coupled traces into Sigxp directly in OrCAD PCB Designer Professional or OrCAD PCB SI?I've set up Geometry Window, Min Coupled Length, Cutoff frq, but the extracted...
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