Moving over to 6.1.4
Hi Cadence Community I am having a bit of a problem transitioning existing layout designs from Cadence’s Virtuoso 5.10.4 to Virtuoso 6.1.4. Using the Conversion Tool Box feature CDB to OpenAccess...
View ArticleWhat is signal intergrity Analaysis? And where it is used?
Hi,I heard that the analysis of Signal Integrity analysis. What does it mean, and at the PCB design where it is specifically it used.any tool we have to use it.
View Article[Question] In specctra router, the screen can't be zoom in or out by dragging...
It looks the specctra doesn't run, but the edit--> zoom in can works. Why?Have any guy encounterred this problem?
View ArticleD.I.E format
Hi All,anyone has got idea of what exactly the D.I.E format (which is used to create die symbols in Parts Editor) is?or where can we find an example of the D.I.E format text file?
View ArticleCant See Power nets
I am using allegro pcb design L (legacy). After successfully creating a netlist in capture and importing it in allegro, I cant seem to see the ratsnests for my GND and VCC power nets. I can...
View ArticleBasic questions about Allegro PCB Editor
Hi all, I am beginer of Allegro PCB editor, and have spent around one week's full time on it. Here are some question which have confused me. I would appreciate if you can help. The questions are based...
View ArticleMaking SKILL manipulation of objects constraint aware
I'm wondering if there's some kind of callback function I could call to make any manipulation I do on an object constraint aware. For example, if the symmetry constraint is set for two instances just...
View ArticleFinFET model parameter
I have a FinFET model parameter and I need to use to simulate a circuit. How can I do it? Should I only change the file extension from .pm to .scs and copy it where everything else is? Or should modify...
View ArticleHow many methods to iterate all figures in a design?
Hi, I want to know how to iterate all figures (via, pin, line, arc, shape, path, polygon, etc) in a design, and what is the best method to do it.I guess that using axlDBGetDesign()->symbols could...
View ArticleHow to simulate the stability of a fully differential amplifier using the...
The schematic is as follows. It is very useful tool used to simulate amplifiers' stability. Well, when simulating a fully differential amplifier, how to use the iprobe?Thanks in advance.
View ArticleSetting location of custom toolbar
Hi,The query is about setting the location of a custom toolbar. When the toolbar gets placed using the hiPlaceToolbar function, there's this option to mention the location - top/bottom/left/right....
View ArticleCreating .PDF using Tcl/Tk Utilities in Capture 16.3
All,Here's somthing a little different. I'd like to export a .pdf using the application found in Accesories--->Cadence Tcl/Tk utilites. This gizmo (when working) produces a searchable pdf which...
View Articlee testflow
Hi,I am using e testflow, and encountering an interesting case that i would like to share and get your feedbacks.I have an environment "A" with tf_domain == domain_a.Under this environment i am...
View Articleproblem in capture cis ICA
hi; when i found a part in capture cis by using internet component assistanf, i got a messagebox said "Cannot place part outside of Capture CIS" ,my computer is win7 64bit,is anyone else got this...
View ArticleError in Calc: expression evaluation failed
Dear sir, when i calculate the delay of level shifter circuit it will show the following errorexpression evaluation failed : val is not legal I am using IC615 and MMSIM 111 and here i am now add my...
View ArticleUsing layout-only (physical) instances in Virtuoso XL
Using IC6.1.5-64b.500.8, I have a core design that has a schematic view and when I want to create the physical view, I would like to use a physical-only instance to help create the physical view. This...
View Articleabout concept hdl skill
It is still mysterious to me whether this is the proper location for this question. I would appreciate if someone could let me know where is the best location for these questions.I am looking at the...
View ArticleSKILL for image saving in ViVA
We'd like to Create a single bindkey to change the waveform background in ViVA (in 6.1.5), then save off an image of it with a standardized name and some default setttings. But I don't see any doing...
View ArticleIs there any option like +ntb_random_seed in VCS for ncverilog?
I wonder how to generate random seed for simulation with ncverilog. Is there any option like +ntb_random_seed_automatic? Thanks!!
View Articleaccessing hiCreateToggleField individual values
Hello, I have been struggling for a long time trying to figure out how this hiCreateToggleField works. I can't seem to figure out how to access individual items that are actually selected by the user....
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