Repeat option in vpwl source
Hi,When we are using vpwl voltage source in cadence test benches, we can create a particular waveform by providing voltage versus time information. Let us say, we want to repeat the same voltage...
View ArticleHow to check the DC operating condition of a MOS in extracted netlist simulation
Dear All,There is deepprobe to find the node potential at the TestBench level while doing PEX simulation.Is there any way to check the DC operating condition of a MOS during extracted netlist...
View ArticleCopy pins as strongly connected
If I copy a pin, then new pin is always weakly connected to the original one.Is there a way to copy a pin so that the new pin is strongly connected with the original one?
View ArticleSimulation error with ideal_balun in cadence Virtuoso
Hello,I am using the ideal_balun for the first time to simulate the fully differential amplifier, I found no problem to convert the ground-referenced signal to fully differential signals. But when I...
View Article"m" multiplier not picked up when LVS
hello experts,it was working really well until I'm at LVS stage. I created a wrapper cell with multiplier defined like bellow:cdfCreateParam( cdfId ?name "m" ?prompt "Multiplier" ?type "string"...
View ArticleHspice simulation
Hi, everyone, I have a question in the simulation of Hspice.For the target INV cell, when I add the less input load and output load, the simulation is correct. However, when I add the more input and...
View ArticleADE Assembler MATLAB Interface and MATLAB Parallel Computing
Hi,For the moment I am using ADE Assembler together with the MATLAB Integration Tools. Though, I wanted to load the results of the simulation in MATLAB in a parallel way. Is this possible?E.g. I want...
View ArticleTransient assisted PSS convergence problem
Hi there,I have experienced a PSS convergence issue and needed some advice.My circuit is a PLL that requires a certain time to settle, and I wanted to simulate the close-loop performance of the PLL.I...
View ArticleProblems when using APS+AMS Multi-threads in mixed-signal design
Dear Team,My computer: IC617.722 CPU: Intel Core-I7 4790 @ 3.6GHz includes 4 cores & 8 threads.When I changed numbers of APS multi-threading to 2-8, then the simulation cannot be done. If I disable...
View ArticleRod PCELL Inclusion
Hi Everyone,I have a very straight forward PCELL created that adds a stretch handle to a simple rectangle, however, I would like to add "boolean inclusion" for the sub-rectangles, in this case 1...
View ArticleAssembler mistaking (automatic) evaluation order of matlab-dependent expressions
I have in my test several expressions that depend on the outputs of matlab scripts. For instance, a figure-of-merit "FoM" is defined as:(Power_DUT / ((2**calcVal(ENOBcal)) * VAR("Fclock"))))where...
View Articleadd xy location to show selection info toolbar?
In layout (ICADV12.3), toolbars->show selection info and then hovering over or selecting an instance shows only the InstName and CellName. Is there a way to show the xy location of the instance as...
View ArticleGreen/red ticks in library manager with rev control
In my past company we used SOS to manage our databases, and all the views in the library manager had a green/red tick beside them, dependent on whether they were checked in/out.AT my current company,...
View ArticleLiberate-max_transition
Hi, everyone, When I use liberate to characterize some standard cells, like OAI21M0R at much lower voltage 0.3V. I set such parameter with auto-index.set_var max_transition 1.2e-7set_var...
View Articlehow to set netSet to connect power of sub-cell to top level cell to pass lvs
Hi All,I have a top level schematic name cell_top. In cell_top I have 2 instance name cell_A and cell_B. Cell_A and cell_B are generated by innovus play and route flow which don't have any power pin....
View ArticleRegarding problems with pmos characterisation
Hello, My name is Pawan Somashekar. I work as an Intern in Analog Design. I want to design an op-amp using Gm over Id method. In this case initially we have to characterise NMOS and PMOS transistors...
View ArticleCadence crashes every time I change a wave's color
I am new to the Cadence Forums and am not sure if this is the correct place to ask..I am experiencing crashes every time I right click on a wave and change its color. I am using ADE L. Does anyone have...
View Articlecds_ff_mpt PDK?
I was trying to install and use BAG2 from github (https://github.com/ucb-art/BAG2_cds_ff_mpt/)The given instruction asks to download the PDK "cds_ff_mpt " (cadence generic PDK for finfet and...
View Articledeepprobe for pex (spf) view
Hi, I am running sim with extracted view, I am providing spf file through config file.The net name in spf file is : *|NET XI449/stg1 0.00101225PFwhile when I use save all option and send this net to...
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