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Forum Post: Changing the number of input bits in a DAC and problem in ADE...

I am trying to design a generic N-bit DAC using variable input bits. Please take a look at a simple code snippet given below. `include "constants.vams" `include "disciplines.vams" module DAC_va(out,...

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Forum Post: RE: PCB Editor: how to change mapping of mouse wheel?

Here are the defaults from the installation env file: button wheel_up "zoom in $buttonfactor" button wheel_down "zoom out $buttonfactor" simply swap the "in" and "out" in these settings and add this to...

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Forum Post: RE: PCB Editor: how to change mapping of mouse wheel?

Thanks so much; this is exactly what I meant to achieve!

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Forum Post: RE: SPICE built in primitives in an AMS simulation

1) I am using 6.1.7 2) I am using the Xcelium version (side question has the incisive platform been renamed or is this an upgraded version but standalone?) 64bit. 3) I have checked the boxes in my...

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Forum Post: RE: SPICE built in primitives in an AMS simulation

A few points (corresponding to your points): This is the major version rather than the subversion - it should IC6.1.7-64B.500.NN or something like that This also is not the version number - that's just...

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Forum Post: RE: Orcad library to concept symbol conversion

Elgris Technologies (www.elgris.com) can convert OrCAD library to Concept library and can convert Concept library to OrCAD library

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Forum Post: RE: SPICE built in primitives in an AMS simulation

1)oh ok, it is 6.1.7-64b.500.20 2) xcelium 17.04-s006 3) These are the output signals selected in ade explorer from outputs>to be plotted> select on design and then selecting the nets/signals I...

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Forum Post: RE: SPICE built in primitives in an AMS simulation

I think this would be best solved by contacting customer support . I think we'll need to have a web screen-sharing session to see what's going on. Can you do that? Trying to guess possible failure...

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Forum Post: PCB Editor: "Check" menu missing

Hi! I an online tutorial for Orcad PCB Designer Professional I see there is a menu "Check", which is missing in my installation (I'm using Allegro PCB Designer 17.2.2016). Is there a way of bringing...

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Forum Post: Vgs exceeding in the PSS analysis

I am doing PSS analysis to calculate the THD. I ran the simulation for all blocks separately and everything is fine, but when I place then as a chain, I receive a Vgs exceeding warning. I checked...

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Forum Post: PCB Editor: how to transfer layer color setup between boards?

Hello! After I have setup the layers and colors to my liking in a board, how can I transfer these layers/colors to other boards? The designs use the exact same physical stack properties; it's just the...

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Forum Post: Transient DC voltage setup

Hi Team I have attached 3 pictures concerning an issue of a spectre transient simulation. The first picture is what my test circuit looks like, which is in differential configuration. Each have 2 tones...

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Forum Post: RE: PCB Editor: "Check" menu missing

Allegro licenses use the "legacy" menus and there isn't any supported way to change to the "OrCAD" menus. Design Status is Display>Status with the legacy menus.

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Forum Post: X-out on assembly variants

Hi, I know that there is an option Manufacture > Variants > Create Assembly Drawing... but this option makes unpopulated components to disappear, and this is not suitable for documentation for...

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Forum Post: RE: Transient DC voltage setup

I would simply change the initial phase of the input signal, so that both input sources have the same voltage at the start of the simulation.

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Forum Post: RE: PCB Editor: how to do LVS to ensure routed board is...

So you can run Tools - Design Compare which creates a filename.xml in the same location as the board file. Run this on version1, then open version 2 and run it again. Now use File - Load and load the...

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Forum Post: RE: Changing the number of input bits in a DAC and problem in ADE...

Virtuoso does not support parameterised bus pins and hence this makes doing this slightly trickier. The good news is that it's not impossible - you need to create PCells for the symbol and also the...

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Forum Post: RE: How to access from skill the psf dirs of a parametric analysis?

Hi Marcel, I think the simple answer is "no". There are some private APIs for dealing with runObjFiles, but they're not really suitable (even if they were documented) for use - they're too low level,...

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Forum Post: RE: Vgs exceeding in the PSS analysis

Not enough information to be able to diagnose this - my guess is that maybe your PSS is struggling to converge and so is moving into invalid regions in the models. You may need to provide a longer...

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Forum Post: RE: PCB Editor: "Check" menu missing

Great! Thanks so much for the explanation!

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