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DRD setup and usage with Calibre DRC Deck
Hi all,I am trying to use DRD into virtuoso with a calibre DRC deck but I don't find howto !I see into an older post that it is possible, somebody can help me ?Best Regards,Olivier
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how to add a pdf printer to .cdsplotinit
Hi,all: Is there a way to add a virtual pdf printer to .cdsplotinit as a plot device to make it able to print cadence schematic to pdf files?Regards
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Average from Sweep Simulation Spectre
Hello to everybody.I am currently running sweep simulations in Spectre, and I keep track of the various delays. However, I do not know how to compute the average of these quantities.Could someone help...
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Differential Stability Probe (diffstbprobe) in Stability analyses
Dear friends,I am using the diffstbprobe to test the differential loop gain characteristics of my fully differential amplifier. I am connecting the amplifier with unity gain closed loop with inputs...
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Noise analyses in Cadence for differential Op-amp
Dear friends,I would like to ask your help if you could guide me to the simulation of the noise for the fully differential op-amp, mainly I am interesting in to finding the Input referred noise...
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Save state not working with transient monte carlo simulation
Hi,Can the State File transient option be used in monte carlo simulation? I'm trying to save the states of 10 long transient simulations at a specific time. I'm using specific seed and run numbers in...
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Problem to initialize Quantum after update
HI,I just updated ASSURA and EXT to the newer versions (ASSURA41 and EXT191).I succeeded in running LVS but when I try to run Assura - Quantus to make a parasitic extraction, it generates an...
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Optimization and Montecarlo simulations
Hello,is there a simple way in ADE-XL to run global optimization on each single run of a Montecarlo simulation?Best regards,Luigi
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Info on "oblist"
Hi all,I am debugging some internal legacy SKILL and have come across some code that is using "oblist"It seems that this is some internal Cadence list (when trying to change it I am getting:...
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CMRR simulation of fully differential amplifier
Dear Sir,I would kindly ask you if there is an easy and robust method to simulate the CMRR from closed loop connection of fully differential amplifier, is it possible to use diffstbprobe in this...
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ERROR (SFE-841): "input.scs" 19
Hi,I'm trying to implement an example from Andrew written in verilog A using ADEXL spectre, I have written the following code to simulate Chi distribution in monte carlomodule...
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How to set axis info when plot across design Points
Hi, I have a simple question when I run variable sweep. After sim, if plot across design points, the X-axis is always from point 1 to point N. That is not what I want. E.g., i sweep variable of R, i...
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Output Dynamic range of the fully differential amplifier
Dear Sir,I am using my fully differential amplifier in the read out circuit of sensor bridge and driving an ADC. As you know that the resolution of the ADC to convert the output signal of the amplifier...
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sim error 5033
when I ran the PVT simulations, many simulations suffer the error. part of job log is shown below. \o Loading paraplot.cxt \o WARNING (ADE-3079): Simulation is complete; however, simulation results...
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Simulation error in ADEXL, runs fine in ADE
Hi Team,I face this peculiar problem, whenever I switch to ADEXL to run a bunch of simulations (ADE standalone simulations run fine). The ADEXL simulation errors out sayingERROR (SFE-874): "input.scs"...
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'spectremdl' not showing any results...
Hello folks!I am trying to use Spectre MDL to measure the delay of an inverter under different NMOS and PMOS width combinations. I am very new to MDL -- indeed it took me a lot of effort to find that...
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Failed to initialize incremental netlisting
Hello, The log content:\o ERROR (OSSHNL-153): Failed to initialize incremental netlisting because the run directory contains\o netlist data from the previous netlisting session which has a corrupt...
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Signal to Noise Ratio simulation in cadence
Dear Sir,I am trying to find the signal to noise ratio at the output of my fully differential amplifier by using the Spectrum tool from the ADE after running the transient analyses, but it is giving me...
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Save state from transient and use it for initial AC conditions
Hi,I have a large circuit with long startup time. I am running a transient simulation until the system has reached steady state (LDOs are up and running etc), then i start an AC simulation at a...
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Creating a user defined source (Voltage and current)
How to define a current or a voltage source ?For, example:if v(t) = (100+100t)e^(-100t) V and i(t) = (100+220t)e^(-1000t) mA.How to create any user defined source not limited to the...
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