Clik here to view.
Transient Sim Accuracy
Hi,I am simulating a delay line made of 10 inverters (transient simulation with errpreset = conservative, and no transient noise).The input clock to the delay line uses vpulse from analoglib with...
View ArticleClik here to view.
Licensing time occupies 70% of simulation time
I am running a simulation using for loop in an ocean script.I found that around 70% of my simulation time was spent on getting the license.Is there any ocean command that can hold the license until end...
View ArticleClik here to view.
Plot voltage waveform at gate of transistor -RC extraction-.spf file
Hi, I am running post layout simulations in ADE Assembler. I want to plot the voltage waveform at the gate of a transistor in a RC extraction file (.spf) file. Do you know what is the correct format to...
View ArticleClik here to view.
Run plan for running a single test with different variables each time
Hello,I have a design that has several switches that guide the signal path in a way or another. I'm required to test the linearity using HB for the different cases where some switches are on or off for...
View ArticleClik here to view.
output format from Hspice simulation from ADE
I am running Hspice as a simulator from ADE. After setting everything the simulation works fine. But I can't see any waveform. I think Hspice does not generate pxfl format. No waveform loaded. Hspice...
View ArticleClik here to view.
Variable parameter in function of time in the ADE-L parametric analysis...
Hello,I'm a beginner on Cadence, I wanted to know if it was possible to vary a variable parameter in function of time in the ADE-L parametric simulations.For example, I would like to observe the...
View ArticleClik here to view.
Release of license from suspended Monte Carlo+APS
Hi,We have a setup, where jobs are send to an LSF (running SGE). We then manage licenses for simulations on a priority based system. However, we are experiencing some troubles with Monte Carlo runs...
View ArticleClik here to view.
PSPICE model simulating in cadence virtuoso
Hello,After working for a long time in cadence virtuoso ,I got a task of implementing a circuit on PSPICE.Its like going to the STONE age.My cadence virtuoso is on linux server ,my SPICE model of...
View ArticleClik here to view.
Difference between pnoisemethod=default and pnoisemethod=fullspectrum?
Hello everyone,I ask a question here last week and get great help , and I have another question after simulating. I read the guideline "Using Spectre RF Analyses for Non-RF Circuits", which is shown...
View ArticleClik here to view.
Yvalue function
Hi All,I wish to print the yvalue of a waveform generated after noise analysis using ADE-XL at a specific x-value let's say 1Mhz.I find functions like xval , value in the calculator ... but not yval ,...
View ArticleClik here to view.
Does Spice-In also generate Symbol view for schematic subcells?
HiI am trying to import a spice netlist consisting of standard cells and sub-cells (which are made up of standard cells) into a schematic.Spice-in is able to import sub-cells which are made up of only...
View ArticleClik here to view.
creating an updated spice model of BSIM4 component
Hello Andrew,Is there a way if i have a component which i cant see its spice caracteristics in cadence virtuoso, to exctract its full spice on text changein this text the property i want and then to...
View ArticleClik here to view.
Configure outputstart in tstab
Hi!I have a simulation with long time constant blocks that I typically need to let settle for about 1-2 us before doing any useful measurements, including periodic noise. Some of these measurements are...
View ArticleClik here to view.
Extremely slow layout viewing performance while moving objects
Hi,I am using layout XL for drawing the layout of an RF chip. As the layout gets bigger the performance of the layout viewer becomes extremely slow especially if I want to move/copy APMOM capacitors...
View ArticleClik here to view.
How to include a randon noise source in tran simulation ?.
Hello,Is there any method to include a random noise source in transient simulations?? Any random noise generator available with analogLib?thanksalexsunny
View ArticleClik here to view.
View values of process parameters for every Monte Carlo sample
Hello,When you do a Monte Carlo Simulation in Cadence, you set up the process.scs and model files wherein the parameters and their statistics are specified. Is there any way to extract/know the exact...
View ArticleClik here to view.
180nm Calibre PEX error，especially Calview setup error
Hello everyone,I'm using Charter_018BCD PDK. I made a DAC and have performed DRC, LVS successfully. But when I performed PEX whose output is CalView, I ran into some problems. The error show as...
View ArticleClik here to view.
Inheriting verilogams parameters not inheriting from ADE
I have a cell called "Stimulus" that is instantiated in my test harness. This has a verilogams view with teh following line..."parameter integer PARAM_X = 4 from [0:100]"I set this to an analog...
View ArticleClik here to view.
How to fix a corrupted schematic
Hi,I have a problem with a corrupted schematic. I run oaScan to check the errors and I got the following log:*****************************************************************************Tool:...
View ArticleClik here to view.
Case statements in Design Variables and AMS UNL
Hi,I have a fairly big mixed mode design, which has several configurations, (ie. different DC points, supplies, configurations etc). I've handled this with case-statements based on one variable,...
View Article