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BackAnnotation
Hi AllI am using allegro 16.3V for PCB layout and Orcad for Schematic capture,We are doing a board in which We have to assign best fit channels ,For this purpose we have routed signals in PCB first and...
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I need a script (text file) for simulating a simple PV system for my Diploma.
I want to simulate a 'grid-connected' PV system for my Diploma. 20 modules connected all in series. These then connected with an inverter, and then connected to the line (220V). I have tried to...
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How to delete numbers when place a new component/mounting hole
Layout+ 9.1When I place mounting holes on the board, automatically are placed also numbers. The same happens if I add a new footprint. I delete it (from SST layer) but if I make a print of AST (from...
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Two Layout+ PCBs from One Capture .DSN
I have a Capture Design Project, exatly a Flat Project: One Schematic Folder and Two Pages (connected each other with off-page connectors).I would to make a Layout+ PCB for PAGE1 schematic and a...
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How to create a new footprint
Hi, I have downloaded OrCAD 16.5 Demo (all products), but there is not OrCAD Layout. So I don't know how to do it. I have create a new library with only one chip (MPU-6000), but there isn't his pcb...
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ODB export fails, "brd2odb.log does not exist."
I am new to Allegro. I made a simple change to a board silkscreen. I can successfully export the placement and the IPC but when I export the ODB data I get the error message: "Allegro PCB Design XL"...
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Layout to PCB Editor library translate error
Hi When attempting to translate a catalog of library symbols in a max file to a brd file, i get this message on many parts: WARNING ERROR(SPMHDB-204): All SHAPE outline segments must have equal width....
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How to show proper layer order when printing?
What I would like to know is how to properly set the order of the layers so that everything is shown correctly. For example:I have my footprint outline drawn on Package Geometry > Assembly_Top...
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GLOSS ISSUE
I have a six layer board completely routed with the power and ground planes poured. When you turn the individual layers on and off you can see which vias are connected to which layer and you can see...
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16.5 New footprint from Package Designer to PCB Editor?
Hello,I am a new 16.5 user. I designed some footprints in package designer as per the tutorials. I saved them in a folder as .psm and .dra parts. However when I go to create a netlist in Capture, or...
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doulble strick vias
I'm getting doulble strick vias in my design. Is there any way to get a report with x-y cords.?
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Making a "Chip on Board" symbol
On what layer do I put the Component Bonding Pads. It can't be a copper layer because you don't want those pads on the board.The copper underneath these components will be all Ground Net. I still need...
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Fanout via get mirrored in allegro 16.2
Hi, While create the fanout via in a package library, if we copy the fanout via with cline and if we mirror geomentry the fanout via the via alone get mirrored. This happens only in allegro 16.2. Can...
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REG:DXF EXPORT
How to export through hole pad drill diameter size in dxf file ? I enabled export drill information during dxf export but its not showing the drill dia size when viewing in edrawing viewer ,it...
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mechanical alignment hole not showing properly in 16.5 PCB Editor (look ok in...
Hi everyone,Amateur user here. I created a couple of footprints with mechanical alignment holes that go through the PCB (I also created the padstack that defines the holes). As far as I can tell,...
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Printing Hierarchial Designs
I've inherited a schematic and board where the schematic was created using hierarchical blocks for some circuits that are 6 or eight implementations of the given circuit. I've only dealt with flat...
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HOW TO DESIGN MONOPOLE ANTENNA IN PCB
Dear all,I design cc2540(bluetooth device) developement kit . this chip have monopole type antenna. i have calculated trace length and i will acheive 50ohm impedence for 2.4GHZ CC2540. but i am...
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Groups back annotation
HiCan I define groups in allegro pcb and after backannotaion to see them in Concept (Logic) ThanksDanny Filed under: Design [Edit Tags]
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I need a script (text file) for simulating a simple PV system for my Diploma.
I want to simulate a 'grid-connected' PV system for my Diploma. 20 modules connected all in series. These then connected with an inverter, and then connected to the line (220V). I have tried to...
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Model for non-linear load in Pspice?
Hello,I need a model for a non-linear load (15 W Compact Fluorescent Lamp) in Pspice. I modeled a 25 W incandescent bulb using a resistor but I am not sure how to model a CFL. I am using OrCAD 16.5...
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