Clik here to view.
Wrong angle for pads when placing footprint
Allegro PCB I created some rectangular pad. Then created a footprint and used that pad I created before with 90deg angle.However, once I instantiated that footprint in PCB Layout for some reason the...
View ArticleClik here to view.
Importing a .DXF file (attached in this post) in Allegro
Dear All,I am using Allegro 16.2. I want to import a .DXF file ( attached in this post).Basically it is a package symbol layout with mechanical holes. I am confused in setting the layer mapping.Could...
View ArticleClik here to view.
Silk Screen in 16.6
Anyone know how to get the silkscreen ref des back after deleting on a selected part? I really don't want to update the symbol globally, too many to edit. Thanks
View ArticleClik here to view.
Footprint with overlapping pads
I have a two terminal component which goes inside the PCB and its two terminals are connected at top and bottom layer of the PCB.I am facing problem to create the foot print for this. I need to have...
View ArticleClik here to view.
Building an "odd" padstack
All,I am building a padstack with an odd congfiguration. The padstack accomadates a blade with 3 connections that are configured as slots. I have configured a single slot to be the pin so I don't have...
View ArticleClik here to view.
Building "odd" padstack
All,I have been trying to build a 3 slotted padstack with only one pin and two mechanical slots. The pin is identified as the 'hot" pin and the other two slots are null mechanical slots. I then laid...
View ArticleClik here to view.
synchronization of schematic and layout in OrCAD capture
Hi, I am new to OrCAD capture. I used "Create Netlist" to update a blank brd file (after creating the schematic), and completed the routing of the resulting brd. Just wondering any function in OrCAD...
View ArticleClik here to view.
Custom Vias
Greetings,I've been on this forum under various names depending upon employment status and I need the forum's help once again. I have a package called PowerBlades. The end mounting to the PCB have two...
View ArticleClik here to view.
assigning component class property in Orcad
Normal 0 false false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0;...
View ArticleClik here to view.
Where to find footprint for some component
I would like to ask, if there are any footprint for the component MAX3232CD,MAX3160CAP+,BMP085,DS1307Z ??
View ArticleClik here to view.
How to change the center drill point (black dots)as some other symbol in...
Hi everyone,Recently i did one small single layer board.i got some manufacuturing request to make the drill point as star or some other symbol.(while importing drill file black dots appearing.for...
View ArticleClik here to view.
PSpice installation on Windows 7
I tried to install PSpice 9.1 Student Version on my Windows 7 and I always get the same problem. I doubleclick the setup.exe file but the installation never starts. I tried running it as an admin or...
View ArticleClik here to view.
ODB++ not working in 16.6S022
Has anyone else found that ODB++Inside is not working?I have installed the latest versopn of ODB++ inside from Mentor and still no luck.
View ArticleClik here to view.
Allegro PCB SI - via model errors
Topology extraction - probe. Simulation fails vias due to via model errors. Tried the board simulation in 16.3, 16.5, 16.6 errors in all attempts. Rexacted the via models from the board file,...
View ArticleClik here to view.
Re: S parameter plot
I built the schematic, exported the netlist, and designed my PCB, but I did not see any connection btw the pcb and schematic.Do I have to measure S-par in orcad capture or in allegre PCB? and how?I am...
View ArticleClik here to view.
Building "odd" padstack
All,I have been trying to build a 3 slotted padstack with only one pin and two mechanical slots. The pin is identified as the 'hot" pin and the other two slots are null mechanical slots. I then laid...
View ArticleClik here to view.
Edit Dimension text 16.6 Trying to add count to a hole ie 2X
I cant seem to find out how to edit it the text, there is an edit text but nothing happens when I try this in the dimension edit area. Its new dimension just added but still can't do anything with it...
View ArticleClik here to view.
QFN Thermal Pad Vias
I have several QFN packages that will need thermal vias. Question : How many thermal vias can I use before causing solder wicking and solder voids? I am planning on 10mil drill vias on 40mil centers...
View ArticleClik here to view.
Pspice: keep plot settings
Hello,I would like to know if there is anyway to keep the same zoom and axis properties throughout multiple simulation runs. I see that there is a "Save as Default" button under the the plot settings...
View ArticleClik here to view.
Importing a .DXF file (attached in this post) in Allegro
Dear All,I am using Allegro 16.2. I want to import a .DXF file ( attached in this post).Basically it is a package symbol layout with mechanical holes. I am confused in setting the layer mapping.Could...
View Article