"Error" TrTBFinder.cxt
Hi,I encounter this error in CIW whenever Cadence runs:*Error* loadContext: could not open file - "./TrTBFinder/64bit/TrTBFinder.cxt"Could you please guide me to solve this issue?Thanks
View ArticleGain margin and phase margin expressions from nyquist plots
Virtuoso IC6.1.8-64b.500.27mmsim 21.10.612Hi all,I have run some stb sims and the output log says that the circuit is unstable, but the step response of the transient simulation looks OK (about 30 deg...
View ArticlePlot S parameters Vs gm/id -RF characterization of MOSFET
I wish to plot gm extracted from sparameter analysis -Real(Y21) Vs gm/id and S21 VS gm/id.How to plot the s parameter analysis extracted metrics Vs gm/id iin X axis instead of Frequency
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How to alter X-axis units to enable a WavevsWave plot?
Virtuoso IC6.1.8-64b.500.27mmsim 21.10.612I have these two plots, which contain the same number of points. However, ViVA refuses to plot a WavevsWave as it complains the x-units are not the same (m vs....
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Troubleshooting ADE Explorer View Error
Hi,When I want to open ADE Explorer view, there is an error which is ADE Explorer view is not supported. Then, I have no choice, but to open with Maestro view.Do you have any suggestions on how I can...
View ArticleHow to parametrize number of instances in Virtuoso
Hello!I was wondering if there is a way to parametrize the number of parallel instances of a cell in Virtuoso.I would like to have <N:0> inverters with N as parameter. Is there a simple way to do...
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Seeking Clarification on Relxpert Aging Simulation Result
Hello everyone,I'm currently delving into aging simulation using the Global Foundries PDK. I apologize if some of my questions seem elementary or misguided because I'm very new to this topic..While I...
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layout dependet effects in simulation
Hi,I am interested in simulating the layout-dependent effect (LDE). I have two different layouts where I want to observe the impact on threshold voltage caused by LDE. It appears that Cadence offers a...
View Articlegenerating an output sNp file, when an sp simulation is used in concert with...
Hello Cadence help,In virtuoso ICADVM20.1 Assembler:I am currently running a transient simulation with actimes populated (several time indexes), that is linked to an sp simulation (acnames=[sp]). The...
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Condition of using Create Maestro Plotting Template
Hi all,For these two blogs, [1] https://community.cadence.com/cadence_blogs_8/b/cic/posts/virtuoso-ic6-1-8-viva-plotting-templates[2]...
View ArticleIssue about config copy
Hi,I would like to copy config_A to config_B. There are some cell views defined in "Tree View" format using Occurences. For inistance, a DFF is used in different places, some DFF adopts schematic view,...
View ArticleAffect of the Interconnect crossing while making a layout (interconnect...
Hi,I am making a certain layout. There are many interconnects crossing over each other (e.g. M2 crossing over M1). The interconnects are carrying voltage and current signals. I want to improve my...
View ArticleVirtuoso Installation on RHEL 8
I am trying to install Virtuoso on RHEL 8 using these instructions Guide to download, install, and configure Virtuoso using InstallScape. It says I should install two components IC618 and ICADVM181 to...
View ArticleConductance Matrix : Circuit solution
Hello, I am working on something and wanted to know how the cadence/spectre/spice approach to solving a circuit (especially a MOS device) changes when there is an instance of a topological change...
View Articlespectre netcap reporting with eng/sci notation
Hi everybody,Is there a way to make spectre print out the values in engineering/scientific format for the netcap info analysis? It would make sorting/filtering easier, especially if a csv format could...
View ArticleHow to access the result of a netcap info analysis in ADE?
Hello everybody,Is there a way to print Ctotal of a net from the results of spectre's netcap info analysis? I hoped there is something like getData("/my_net" "Ctotal" ?result "netcap-info"), what I...
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Showing OP in ADE Explorer
Dear Forum, I tried to look up if somebody had the same problem, but it seems not. Therefore, I wanted to ask if someone has experienced the same problem with showing the OP parameters in ADE Explorer:...
View ArticlePrint statement is being ignored by spectre
HiI am using print statements and I revised the syntax according to the manual, but spectre ignores them and I don't get the expected output files. It works with dc sweep, but it is ignored for dc and...
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Non satisfying KCL equation for virtuoso simulation operating point
As mentioned in the question, during the trans simulation, I found that the sum of node currents did not meet the KCL law when checking the trans operating point. I don't know why. Some people say it's...
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Unable to figure out the following error: "xmelab: *E,NOUNIT"
Hi, I am running a boost converter transient simulation (liberal) using AMS simulator in ADE assembler. It has several verilogA and verilogAMS blocks along with other analog blocks. This was working...
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