Associate nangate cell library with freepdk45 tech lib.
YI picked up freepdk45 and nangate from somebody's junkyard.Nangate is supposedly developed for freepdk, but in this case, it has its own tech file.The LSW looks so different, what should i do to...
View ArticleWhat does such sign mean in the data view
Does any one know the meaning of such a sign in the data view? why it is different from others?
View ArticleSimulation of an inverter using FinFETs
Hi , I'm trying to simulate a simple inverter circuit using FinFET , I have downloaded the ASAP7_PDKandLIB and added its path in library path editor .Now when i try to simulate it in ADE L , I'm not...
View Articlemtline 2D solver ignoring dlosstype/dloss
I have a mtline instance in a spectre netlist that looks like this. Note dlosstype=tangent and dloss=[0.1] (so really lossy)ITL (net1 net2 net3 net4 0 0) mtline len=100m m=1 fmax=10G...
View ArticleOnline Chat Rooms - CandyChat
Without any doubt, you can use this Online Chat Rooms and search for any strangers in your nearby area. And not only its facility friends and family members to be touch but at once it’s help for...
View ArticleWhat is thermal noise called
Hello,My cadence Virtuoso version is IC6.1.8-64b.500.9 and my Spectre simulator version is sub-version 19.1.0.237.isr3.From my understanding sfl stands for the flicker noise of a transistor and what is...
View ArticleInput Capacitance Measurements of Digital Cells in Cadence Liberate
Hi,I have a requirement to characterize a set of standard cells of following type : All of these custom cells have the same transistor arrangement, i.e. a transmission gate pair followed by an...
View ArticlePVS - QRC RUN FAILURE--LBMISC-215294
Hi there,I was running a PVS- QRC but ran into an error--ERROR (LBMISC-215294): can't open string file /tmp/strtabx45RH3 in map_file_to_strtab ().PVS version is 15.2The QRC is Version 13.2.0-s329.The...
View ArticleAbility to run stb analysis without editing schematic to place iprobe
Hello,Is there some way to run an stb analysis with spectre without having to edit the schematic and manually place an iprobe (or 0V source)? I am looking for a way to be able to run stability checks...
View ArticleTransient simulation extract specific voltage/time data
Hi,Is it possible to set a range of voltage in transient simulation, so the simulator can dump those data only without getting the whole period of transient simulation result?The reason I want to do...
View Articlefor converting a rectangular fluidgaurdring in to a polygon
Hi,I tried to convert a rectangular fluidgaurdring in to a polygon.But I got a warning.*WARNING* (LE-105557): The instance cannot be updated since the device Convert to Polygon fluid function could not...
View ArticleTrying to understand Cadence UNL netlisting
Hi,I have a simple mixed signal schematic. I am running Cadence UNL netlister. I would like to see the output from the analog netlisting process. If I open the "netlist" file under analog directory, it...
View ArticleDifferent output results of a system with adding new circuits
Hello everyone,I had a strange problem regarding my system simulation in Cadence. My Cadence version is IC6.1.4.485. I am working on the simulation of a high-frequency PLL-based Clock and Data Recovery...
View ArticleWhat is the working of 2 switches as shown below.
I aim to make either R5(left) or R6(right) to conduct at a time. I don't understand the terminology of this switch when it says the ON voltage and the OFF voltage because when I see the operation only...
View ArticleDRC Error Virtuoso 6.1.8 PVS 16.12
hi,I am trying to create the layout of my schematics. Unfortunately I have a few big capacitors and the error I get when I run DRC check is : M6.DN.5:L :M6 density inside CTMDMY over any 200 um x 200...
View ArticleError running Monte Carlo in ADE Explorer with MDL Control File
Hi allI'm simulating a trimming sequence in ADE Explorer using a MDL control file. It is woking fine for corner simulation but once I run it for Monte Carlo validation, it gives me the following...
View ArticleProblem in accessing the X-values of a signal waveform
Hello, I have this attached waveform that represents a frequency response of a model,I am trying to find the frequency at where the output is maximum which represents for me the f2. the f1 I should...
View Article. dot vs / slash when saving signals in Ocean
I'm exporting all the net voltages (for a specific time) from a circuit and I noted that if I perform the simulation with APS++ and XPS the signals are saved with the slash notation. Example:option(...
View ArticleError with simulation in IC6.1.7-64b.78 with spectre15.1.0.284.isr1
I have installed IC617 and MMSIM151 in Ubuntu 18.04.4 LTS. Everything gose well until I start simulation and launch ADE L. Once upon I open the ADE window, a warning is thrown out.*WARNING* The...
View ArticleExtract Netlist from Layout
I have a complete layout with pads attached to it. I want to extract its netlist. Can some tell me how do i do that?
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