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Save all pads from open symbol into new folder
Hi all,I'm trying to make my design more portable by keeping my padstacks for a new project away from the global library - is there a way I could open a symbol and save all the padstacks to some...
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How do I create a stack of vias
We sometimes need to define a thruhole via as a stack up of blind microvias and buried vias. This is becasue on th eTop and Bottom layers I need a smaller pad, that cannot be acieved with thruhole via,...
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Pls give me a suggestion to solve the "error(spmhod-29)"
Hi, i'm new to pcb design tool , i received some .brd and .dra and .psm file from my friend for my practice, he did this on Allegro sp 16.6 but i'm using Allegro sp 16.5 lite. when i open those file i...
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PSpice A/D accuracy in V16.3?
Did some simulation with high dynamic range (using a SUM ABM Model : adding a constant value of 1 with a sinus-wave having 120nV as amplitude) . I was supprized getting quantized data with a LSB of...
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OrCAD Vs Design Entry HDL ( Concept HDL)
I am selecting a schematic entry tool for a PCB design that will have high speed serial technology PCIe Gen 3.0 and DDR3 and possibly blind and buried vias. It is my understanding that OrCad would NOT...
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Does anyone else dislike the "Line Width Retention" feature?
Branching off from http://www.cadence.com/Community/forums/p/16025/1322497.aspx, which originated my question in that post. Am I the only one who finds the line width retention to be a real pain and a...
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Allegro / Orcad PCB Title Blocks & Sheets
Hi guys perhaps you can help with this one.I have located some title block .dra files in the PCB Symbols folder that I am working on at the moment. What I would like to be able to do is have "Text...
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SLPS Interface
Hi all; I am new in this forum,I am using Orcad 15.7 and Matlab 7.1,for my project.Now the cosimulation of both is required which can be done using the SLPS interface,the problem is that where to...
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BLF1822-10
Hi i m Phd student i use the RF power BLF1822-10 mesurment but wen i use orcad to simulate the circuit i didnt find this transistor in laybraryplease if some one find this transistor send to me or haw...
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Orcad Layout - Create gerber files to PCB prototyping
How can I create the following Gerber files (RS-274x format) to send to a PCB prototyping factory:Top Layer: xxxxx.GTLBottom Layer: xxxxx.GBLSoldermask Top: xxxxx.GTSSoldermask Bottom:...
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Unrouted nets showing on fully routed board
Hi,I am facing problem in a dense board. me and my collegue working on a same board, he finishes routing on his part. When I merged both files there were unrouted nets showing on his part. I try drive...
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Set path to .brd file?
I'm using SPB 16.5 (soon 16.6) Design Entry HDL and Allegro PCB Design in Linux. When I load projmgr and load the design then click Design Entry the schematic comes up fine. When I click Layout the...
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Resize Reference Designators in PCB Design L?
Is there a way to resize the reference designators in PCB Design L? Text is easily resized in the schematic using F8 and F9 but I'm unable to find a corresponding function in the PCB editor.
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Need Help with fillet in allegro pcb
I created a footprint which supposed to have fillet on it edges. For some reason I cannot apply fillet to the two of the filled shapes on the footprint.Can someone help me how to apply fillet to the...
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Updating design padstacks
Hi, I had a design with wrong padstack on a footprint, which has already been place on a board and routed. I created a new and correct padstack named it as the old padstack after deleting the old...
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Place_boundary verus DFA_boundary usage
Some time ago I recall some class/tutorial notes regarding the way SPB tools utilize these two subclasses with respect to component placement and constraints definitions as well as interpretation by...
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PCB Editor (Allegro) Get Distance (Dimension) Between Two Points
I want the edge-to-edge distance between these two pads, however whenever I select Dimension->Dimension Environment, then right click and select Linear Dimension, and select each of the pads, I keep...
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how to accurately add pins and components in PCB Editor?
I'm reading some tutorials and it seems to show moving or placing components rely strictly on the mouse cursor being snapped to a certain grid position.... is there a way to move or place components...
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smt test point
I am adding testponts to my board and want to use a smt on the bottom where ever poible.I get "WARNING: Padstack TP35RD does not match the layer stackup ... REJECTED."when adding the smt testpoint. why?
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How to create flash files or export flash design from existing .brd file
I am starting to build my first multilayer board and wish to know how to create a flash file, or how can I extract a flash file pattern from an existing board .brd file to my library. Mike
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