Clik here to view.
Queue list in job policies of ADE
Hello All,Under the job setup in ADE, there is a drop down under "queues" where I can select the available LSF queues. Earlier I was able to see "normal , regress, hwsim" . Now only normal is showing...
View ArticleClik here to view.
Number of accepted tran steps in spectre log
When a transient analysis in spectre is done, in the log file there is a statement " Number of accepted tran steps" . And it shows a big number. However in the statements above, a very few number of...
View ArticleClik here to view.
variable $freq in veriloga
Can use $freq in veriloga if I want to create an expression for say a frequency dependent gain in AC analysis?I gave this a try but so far it hasn't worked but the veriloga compiler and the spectre aps...
View ArticleClik here to view.
[IC6.1.7] Simulating VHDL-AMS
I am trying to perform a simple simulation with a VHDL-AMS modeled resistor. Unfortunately I cannot simulate it.I made the following:Created a new Cell View in the Library Manager with the type...
View ArticleClik here to view.
What is the difference between the $PATH variables?
This applies to different instruments, but in the example of SPECTRE.in bash environment $PATH variable is setting1)export MMSIMHOME=$CADHOME/SPECTRE16export PATH=$PATH:$MMSIMHOME/tools/bin2)export...
View ArticleClik here to view.
Assura LVS Parameter Mismatch Error
Hi All,I'm using Virtuoso Layout XL 617 and Assura 415, with TSMC mixed-mode 130nm PDK.I included a multi-fingered NMOS moscap into the layout, using the generated parameterized cell. The Cap has 5...
View ArticleClik here to view.
ADE XL Job Policy Setup -> Max. Jobs - automatic set after start
Default value Max.Jobs afte start always = 1I saved setting via "Save Jobpolicy"But the initial setting is still = 1.What variable should I set in .cdsenv or load via .cdsinit for initial setting.
View ArticleClik here to view.
How is the netlisting done in ADE
Hello All,How is the netlisting done generally.I want to understand for example , an ams netlist will have instantiation of components in Verilog format. From where these ports for the models are...
View ArticleClik here to view.
noise analysis during transient
Hi to everybody,I am running a noise analysis at a certain instant of time during the transient analysis; I do this using actimes and acnames features in the tran analysis options. The result I am...
View ArticleClik here to view.
Master file is missing from schematic
I am not able to open my schematic and symbol. It says Master file is missing but when I check it is there in folder but still complaining. Can anybody help me to resolve this issue?Thank you
View ArticleClik here to view.
Parsevals theorem
Hi,I want to verify parsevals theorem in Cadence:2.387E-3 stddev(v("/gnd" ?result "pss_td"))2.387E-3 sqrt(integ(mag(v("/gnd" ?result "pss_td"))**2)/200e-9)3.760E-3...
View ArticleClik here to view.
need document regarding voltage sources and it usage (vdc, vpulse..etc)
If any document regarding voltage sources and it usage (vdc, vpulse..etc) , please send me a link.actually i not found any thing in google ..Thanks,Abhinav
View ArticleClik here to view.
Long symbol label expressions disrupting Zoom to Fit
I have some symbols that I've made in a Virtuoso schematic (version 6.17.709) that have some ILLabels labels containing code which evaluates to just a few characters to be displayed beside the symbol....
View ArticleClik here to view.
Missing data.dm
I'm trying to fix a symbol for a cell in Virtuoso and it won't let me save the symbol because the cell doesn't have a data.dm. This cell has been through a number of iterations and it appears there...
View ArticleClik here to view.
bath tub curve in cadence
Hi all,I want to determine BER of high speed communication link. the expected BER is 1e-13. I read that typically bath tub curve is used for such problems, can you explain me how do I obtain bath tub...
View ArticleClik here to view.
Calculator value() returns multiple values for given set of multiple x values...
Reference Thread = https://community.cadence.com/cadence_technology_forums/f/custom-ic-skill/23397/calculator-skill-function-for-sampling-signal-on-varying-pulse-edgeIs there a way for the value() or...
View ArticleClik here to view.
Is there a way to describe the charge across the device as a function of...
Suppose I were to write the current across an ideal capacitor having terminals t1 and t2 and capacitance c. The code might look something like this: I(t1,t2) <+ c*ddt(V(t1,t2));I'm trying to come up...
View ArticleClik here to view.
Warning envSetval: Can't set the value of variable 'pathPurposeList', in...
Hi,I am getting a series of warnings upon initialisation of Virtuoso. All errors are in the CIW window. All of the same type as below:""Warning envSetval: Can't set the value of variable...
View ArticleClik here to view.
ERROR (USIMUWI-20008)
Hello,I am simulating a DC/DC Converter feedback loop. I have this error, that appears amid transient simulation in ADE:Internal error found in spectre at time = 1.36483 ms during transient analysis...
View ArticleClik here to view.
ADE-XL: Save statistical scatter plot setup
I've been making use of creating scatter plots of pairs of outputs in a Monte Carlo sim. This has been very useful. What is not so convenient is I haven't found a way to save my scatter plot setup to...
View Article