Quantcast
Channel: Cadence PCB Design Forum
Browsing all 5525 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

Allegro: How to set the clearance between two grounding plane

Hello all.Right now I have a board. I want to add two grounding planes, one at top, one at bottom. My aim is going to set the gap to be 15 mil ( also known as clearance). I worked with KiCad for...

View Article


Image may be NSFW.
Clik here to view.

single layer pcb

I'm trying to create a single-layer flex pcb in allegro and cannot seem to delete the second layer from the cross section editor. Am I missing something obvious? (Allegro 17.2)

View Article


Image may be NSFW.
Clik here to view.

Custom Pad Shape with Multiple Openings in Solder Paste

We are working with more QFN packages, which all have the center pad. On almost all datasheets they recommend the stencil design for the solder paste on this center pad to be an array of multiple...

View Article

Image may be NSFW.
Clik here to view.

How do I rotate a component to 24deg ? (Using version 16.6)

How do I rotate a component to 24deg ? (Using version 16.6), seems to be stuck in a multiple of 45deg mode, so do I need a different version of Allegro?

View Article

Image may be NSFW.
Clik here to view.

Schematic: Changing Path of All Items in Design Cache

I am working on a schematic project with 100+ unique parts, and the design cache each has the path to the source library, i.e.PART1 : PATHA\LIB-APART2 : PATHB\LIB-BPART3 : PATHB\LIB-BPART4 :...

View Article


Image may be NSFW.
Clik here to view.

Allegro incorrectly displays line width

I'm designing PCB in Allegro version 16.3. I set the line width as 20 mils for routing nets, however, the width of 20 mils lines display same as other (for example 4 mils line in the below image).I...

View Article

Image may be NSFW.
Clik here to view.

Unable to delete out-of-date shape items (URGENT Cannot Create Artworks...

After updating shapes, I get a number of "Out of date shapes"Clock the color button next to them gives me a list with coordinates, if I click on coordinates view is moved but there is no shape or...

View Article

Image may be NSFW.
Clik here to view.

In Allegro 17.2 and previous versions, In the "CONNECTOR" Library of the...

In Allegro 17.2 and previous versions,In the "CONNECTOR" Library of the OrCAD software,the Pin4 and Pin6 positions of the "CON18A" component symbols are wrong.Will this problem be fixed in later releases?

View Article


Image may be NSFW.
Clik here to view.

Allegro16.2 issue?Softaware exit from working enviorment.

Program has encountered a problem and must exit.

View Article


Image may be NSFW.
Clik here to view.

Change the font in an entire design in Capture

Is there a way to update the font in the entire design all at once? I've already completed the design but the font size is causing issues when importing into Pro/e. I want to increase the font size of...

View Article

Image may be NSFW.
Clik here to view.

Migration of a total design from OrCAD 10.3 to 17.2

Hello,   We have recently addopted OrCAD PCB Designer (17.2). Previous designs were done in OrCAD 10.3 (capture and layout). I have seen examples on how to convert a .MAX file to a .BRD file, but I...

View Article

Image may be NSFW.
Clik here to view.

Can the size of Pin Numbers be changed ?

I am working with 0.4mm BGA and small DFN parts and the default pin number size is way toooo big, how can I change the pin number text size ?

View Article

Image may be NSFW.
Clik here to view.

Measure command is not popping up display window, 16.6

When using display measure the popup window is not displaying, so I don't get a measurement.

View Article


Image may be NSFW.
Clik here to view.

Constraint Manager Design for Fab Mask Checks

Does a good reference exist someplace detailing how to use the Constraint Manager Design for Fabrication Mask constraints that showed up in 17.2-2016 Hotfix 25?  I have created a DFFMaskCset, created a...

View Article

Image may be NSFW.
Clik here to view.

Place Replicate Module Is Not Including Route Keepout Areas

Hi All,I am trying to use the place-replicate feature to create some fairly complex multi-symbol modules with precise placement and routing on a multi-layer board.  I want to include a set of route...

View Article


Image may be NSFW.
Clik here to view.

PSpice Model Editor Default Settings

Hi, Is there a way to change the default value of 27°C temperature in Model Editor when creating a new device by characteristic curves? My datasheet curves are defined for 25°C but the Model Editor...

View Article

Image may be NSFW.
Clik here to view.

How to replace part in Orcad using TCL syntax "ReplaceInst"

Hi Group,I am looking to change some components (out of many) to new library part. If doing so with Orcad cache then it will change all parts regardless of the reference designator. I tried to use...

View Article


Image may be NSFW.
Clik here to view.

Specctra Router in SPB 17.2 with ISR 026 will not Quit

Hi Folks,Installed a trial of Cadence SPB 17.2 with hotfix 026 in Windows 7 (64-bit) Professional.  Everything working well and even Specctra, except for one thing.  When you hit the quit button or...

View Article

Image may be NSFW.
Clik here to view.

Cant see Allegro PCB designer in product choice

Hi Earlier my product choice dialog box was thisBut now, it never shows Allegro PCB Designer product in dialog box. as shown below.I dont remeber what i ve done. i think once i was done reset license...

View Article

Image may be NSFW.
Clik here to view.

Is it possible? Reference designation tricks needed

Is it possible to setup the Reference designator assignment so to add prefixes?I will have a multi-page design some of this pages will make a block of the system.  And I want that Resistors from lets...

View Article
Browsing all 5525 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>