.tmpADEDir folder is used for unknown reason in Virtuoso, the path is so long
I use Virtuoso IC6.1.8-64b.500.11.The problem I have is that all the netlist/log files are generated under a...
View ArticleMeasuring Operating Point Parameters in Stacked-FET Devices
Version: ICADVM18.1-64b.500.8, cadence_icadv 18.10.080, cadence_spectre 19.10.237I followed the instructions for measuring operating point parameters for stacked devices at these two...
View ArticleERROR - DB-270000 - Invalid String Index - Cannot Open for Read or Edit a Cell
There is one cell in my library that I cannot open, regardless if it's read only or write. It simply won't open.Error code: (DB-270000): dbOpenCellViewByType: Invalid string index. "Would you like to...
View ArticleFinding Large signal Drain-Source resistance (Rds) for BSIM-CMG (106.1) model...
Dear All,I am simulating a Fin-FET device with BSIM-CMG (106.1) model in SPECTRE by DC analysis.I see only gds and rout operating parameters in DC Operating point list. rout is found to be 1/gds. I am...
View ArticleIs it possible to print noisesummary for input referred noise in Spectre?
Hi,I am running AC noise simulation and looking at the output and input referred noise in Spectre. I can look at the output noise summary either with print noise summary or noisesummary() function in...
View ArticleWhat's the bindkey command for ascend to top level on Cadence?
I am trying to add a bindkey to ascend to the top level of a cell when the cell has several layers in the hierarchy and I am in lower levels. What's the bind key command for that?
View ArticleSim Err
cadence_ic 6.1.7.500.23.EHF6258I am frequently experiencing a problem running simulations via ADEXL.Simulations fail to run and the results pane in ADEXL displays "sim err" - no...
View ArticleCreating a "virtual short" in simulations
Hi,In my APS simulations I have added some inductors from the analogLib (ind), to represent the effect of bond wires. These slow down the simulation, but is necessary in order to understand some...
View ArticleSetting default simulation directory to contain the library name
By default, the simulation results of all cells will be under the simulation path specified by envSetVal("asimenv.startup" "projectDir" "simulationDirPath") in .cdsinit without any further hierarchy....
View ArticleMonte Carlo re-running a MC point as Statistical corner
Hi,I am using IC6.1.8 version and ran a Monte Carlo sampling test for 30 cases and saved a point in results detailed view as statistical corner but when I re-run the saved corner the results are...
View ArticleHow to let adeXL (assembler) reevaluate the result if adeXL is accidently killed
Dear Here,I am using virtuoso6.1.7. I had a simulation job running with adexl on for days. Then at a certain moment, virtuoso was frozen due to some operation. At the end, we had to kill the virtuoso....
View ArticleHow to make ADE Assembler save ALL global variables to file during a run?
Hi,I'm doing batch processing of the cadence results database outside cadence (in MATLAB).I've noticed that all global variables are not saved to the variables_file in the psf directory. This is for...
View ArticleHow to use ADE assembler to annotate DC voltages
I have no problem when using ADE-L and ADE-XL to annotate DC voltage/operating point by going into results -> Annotate -> DC node voltages. But in ADE Assembler, in results -> annotate, both...
View ArticleBSIM3 vs BSIM4: simulation speed differences expected?
Is any difference in simulation speed expected between BSIM3 and BSIM4 model implementations in spectre? We have designs in two processes, one that uses BSIM3 and another that uses BSIM4. Large...
View ArticleDisplaying the values of DCopinfo
Hello,I would like to display DC operation information. Here is what I have done. I created a text file and named it save_all.scs to save the dc operating pointof my transistors and inside it put the...
View ArticleV-RF flow
Hi All, I had a couple of queries on the V-RF flow and will be helpful if anyone can give some insights ?1. Does Virtuoso db work with VirtuosoRF ? 2. Does VirtuosoRF support mainstream nodes (bigger...
View ArticleIs there a way to use the vpwlf file from the Cell
I am trying to avoid hard coding the path in the vpwlf parameter. It would be nice to be able to specify the filename from the cell and store the file in the cell itself.
View Articledifferent specs for a different input of a parametric sweep
Hello,I am using Cadence 6.1.8 release and I am using ADE Explorer.I am sweeping the output noise voltage spectral density performance of my design for 2 different load capacitance values. Now the 2...
View ArticleHow to disable the info SPECTRE analysis?
How can I avoid generating the many info analysis by spectre when I run s simulation from the GUI (Assembler/Explorer)? I was not able to figure out by myself.modelParameter info what=models...
View ArticletextTopin issue
Hi In assura they using textTopin, may I know what is textTopin equivalent to PVS ?please adviceregardsfaisal
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