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What's this V line? (it's Not Clines)
https://imageshack.us/i/p1XX0PUKpthe V lines I probe is not Clines. What are they?the pin and power plane share the same VDD net. So, the Vlines are connecting the pin to the plane
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How can I reuse the exported symbol?
I exported all symbol (dra, psm, padstack etc,.) from reference board, but I tried to design a new PCB board using the exported symbol. I don't know how I can use the them. I tried to designate the...
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Can anyone share DDR2, DDR3 Jedec UDIMM design files?
I don't have an account with Jedec and I like look at the layout how's the memory being done.thanks in advance
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OptimizePI Frequency/Time Range sweep
I'm running a post-layout analysis. How is the Frequency/Time Range sweep applied?Is it applied on the power planes per the mesh that's created?
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Annotate heterogenous parts in complex hierarchical designs
Hi,I have run in to a problem. I have a complex hierarchical design where the hierarchical sub-schematic contains a heterogenous part. The part has a GROUP property to keep it together in a normal...
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TCL scripting to get fewer property fields in generated PDF
Hi ,When I generate PDF using TCL scripting there are lots of unwanted property fields in component menu.Please help me filtering these fields.I only want to selected fields like1) Manufacturer part...
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Why the DDR3 Data constraints like that?
MIN ETCH MAX ETCH (mm) (mm)ECS DATA1 17.400 17.500ECS DATA1_PLUS 19.900 20.000ECS DATA2...
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HELP - Horizontal Line Segment Width : 0.0000 Won't go away
I tried to create a shape around a pin to sink a few vias to a ground plane. I inadvertently created the shape on a power plane layer. I tried to delete the island that I had created on the power...
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Back annotation and reference designators
Hi,Say I have a 0603 resistor .dra and its reference designator is R*. Now I want to reuse that same .dra for a capacitor. Forward annotation results in the .dra inheriting the schematic reference...
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pin pairs added to wrong match group
I'm using Allegro 16.6 S042. I have a DDR4 address bus with a driver, 3 receivers and a termination resistor. I want the bus to be matched length to each receiver. To do this, first I create the...
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Deleting existing artwork files
Hi,Is there a way to have Allegro delete the existing files or overwrite the existing files when generating new artwork ?
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show drill sizes?
When creating a footprint, is there a way to *see* the drill holes, just to make it a little easier to verify that the hole sizes look good?
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Cross probe issue
Normally when you select a component or a net on the OrCAD schematic (ver 16.6), the according component or the traces will zoom-in and highlight. For some reason, my PCB Editor zooms in, but not...
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Snap to grid does not work. (V16.6 P004)
Snap to grid does not work. (V16.6)Well, kind of. Typically when I drag a component, my cursor snaps to the grid while I’m dragging (mouse button is held). However, it is not, but it snaps when I...
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Definitions of find menu
I've tried searching the help documentation but can't figure out what the follow are in the Find menu:1) Difference between Comps and Symbols2) What are Functions3) What are Rat T'sThanks!
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MOSFET Models
Hi, firstly sorry if this is posted in the wrong forum.I need to build from scratch a 4 terminal MOSFET model G S D and Bulk to model a lateral device. Does the PSPICE Model Editor allow me to do...
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PDF and DXF generation for all film
Hello All,Is there any skill file with that i can generate the pdf and dxf for all films in one time. If i have 20 layer or more than that i am spending more time to generate those file for each film....
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Libraries for "connectors" and "discrete" components in Orcad Capture
Hello,I'm using the licensed version of Orcad SPB 16.6 on my school computer but it doesn't have the libraries for "connectors" and "discrete" components that can be used for PCB schematic design....
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Selecting Class Package Geometry in Dimension Environment
I am trying to reuse the symbol in reference design file. When I opened dra file to modify symbol, I found specific subclass for dimension layer under Package geometry. But I can't draw any dimension...
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Occurrences reference designator assignment in complex hierarchical design
Hi all,consider this ANwhen he says:"Note: As a part will have more than one occurrence in a complex hierarchical design, it is essential that all these occurrences have a unique reference designator...
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