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Symbols & Padstacks
Hello, I have a general question here. Say I am given a Symbol (.dra & .psm) to use in my design. I do not have the padstack used within this symbol (.pad). Am I still able to open the .dra...
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Single Point Gound
HelloI'm trying to connect two different nodes like AGND and DGND as single point ground. Besides, I want to put it at inner layer. Is there any way to achieve this?It would be very appreciated if...
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Forcing via connections
I have a multi-layer design with multiple ground plane layers. But these have issues with ground loops. How can I set something in PCB Editor 16.5 that will only connect vias to one ground plane layer...
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OrCAD library icon and links
I am looking at an OrCAD library, discrete.olb in this case, and noticed that some of the symbol icons (which look like a little NOR gates) have a little line in them. I think they are somehow linked...
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Allegro Viewer will not start after upgrade
I just upgraded from allegro_free_viewer_16-5 to allegro_free_viewer_16-6. Right after the upgrade it worked fine but today I keep getting the message This application has failed to start because...
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Shielded Twisted Pairs Cable Model
Hello,I am trying to simulate a Shielded Twisted Pairs cable.Can anyone tell me what is the best model to use on Pspice ?The cable has the following characteristics:Conductor Resistance: 37,5...
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How do I change the "Drawing Origin Size" in Allegro 16x
I find the drawing origin size just a bit too small, was wondering is there a method to change its size so it stands out, i.e make it biggerThanks Scott
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Schematic file not paste in OrCAD 9.2 ???
Hi.. I had drawn schematic in OrCAD 16.0, in that i had copied the content of that schematic and try to paste it in OrCAD 9.2.But when i tried to paste it the capture 9.2 was closed...
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map copied placement to schematic components orcad pcb editor 16.6
I'm doing layout of a filter on diff paths..so the components (R, C & L) must also be placed symmetrically. I've done placement on one path and (for symmetry) copied the components & placed...
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Instance vs. occurrence
Hi,Could someone please explain the difference between instance and occurrence property with an example? Thanks!
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modifying layout made with from capture netlist
I havent done a lot of work with layout and any type of projects linked to capture.im having a very difficult time trying to make a simple modifcation to a layout made from a capture circuit in that i...
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Auto-Interactive delay tune, not working in Allegro 16.6 007
Hello, I am attaching a picture snapshot of constraints I created for two pinpairs. One pinpair is longer than another, I want Auto-interactive delay tune to make shorter pinpair (DIN2) has the same...
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@DCBias proprety for DC source
hello When i run my simulation, i have this error :ERROR(ORNET-1110): Part U1.V2 has no 'DCBias' propertyERROR(ORNET-1110): Part U1.V2 has no 'DCBias' propertyERROR(ORNET-1122): Pin CKT on h-block U2...
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via on pad
Hello, I'm trying to put a via on a slot hole pad (Package symbol level). But I don't have any idea on how to do it cause I'm kind of new on using cadence 16.6 This is the layout that I'm working on...
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PCB EDITOR 16.6 and 16.3 on the same computer?
Hello, I just installed 16.6 on my computer under the assumption I could still launch 16.3. 16.6 is up and running as anticipated, however if I try to launch 16.3 I get the following...
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Getting part on grid
I just loaded a netlist into a board where the default grid is set to 0.025". None of the parts came in on this 25 mil grid.What is the trick to getting them on grid? (I hope it is not manually as...
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Preferred method of editing Orcad CIS parts database
I am looking for suggestions on what software I can use to modify part attributes that are in my Orcad CIS database. For example, a resistor manufacturer has changed there numbering scheme. So, I...
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Allegro Design Entry CIS, schematic sheets disappeared!
I have no idea how come it happen, I just want to open my project, it opens for some reason in top bar saying (Read Only), and I see no schematic sheets! How come it be gone? I'v browsed internet for...
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Copper Pouring and Gloss (is it a problem?)
Hello,i am designing a microcontroller 2 sided board in Allegro 16.5, after routing all the components, i want to apply the Copper Poring(Power Ground) on both sides.I can do it easily but the problem...
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Difference between Symbols and Parts in Capture
I am setting up a "site" capture.ini file and I noticed that there are entries for [Part Selector Configured Libraries] and [Symbol Selector Configured Libraries]. What is the difference between the...
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