Sweep design variable inside Monte Carlo run
For each Monte Carlo sample (i.e., for each Monte Carlo instance of my circuit), I want to run a transient simulation at multiple temperatures. For example, the simulation tree should look likeMC...
View ArticleWhere are maestro expressions stored? - Trying to recover expressions after a...
My cadence session crashed while working with ADE Explorer. I am able to recover my simulation data but I am unable to find the expressions that generated some of that data. In what file or log can I...
View ArticleSave current values with a specific time step in Cadence Spectre (SPICE)
Dear all,I use Cadence Spectre 20.1 to do a SPICE simulation of a circuit. I want to save the current values of the VCC over time in a file (with high precision). For this, I use the below commands in...
View ArticleVery low DC gain of pstb simulation
Hi:I am simulating a folded-cascode amplifier with chopper, based on SPECTRE 18.The DC gain without chopper is about 70dB (simulated with ac and stb).When I use pss+pac or pss-tran to simulate or...
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How to add valid layers in layout XL.?
I am trying to do layout of my design but in layout XL window i am not able to see valid layers in (LSW). So how to add valid layers in that panel..?
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How run mismatch simulation in different corners?
Hello! I am using Monte Calro simulation. There are process and mismatch in the Monte Calro.According to my understanding, process is the main factor for the variance between different wafers and...
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Simulating the sic mosfet model using spectre
Hi , all !I encountered a confusing problem，as follows ：Establish a schematic diagram as shown below，but convergence issues were encountered during simulation. By chance, it was discovered that the SS...
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*Error* abs: can't handle abs Monte carlo Simulation
Hello Team,I am getting below error while simulation monte carlo simulation, but if I do a single statistical simulation on a single run it is working fine. Ade assembler simulation reported eval error...
View ArticleCreating a variable capacitor
Hi,I am trying to model a triboelectric harvester and I need a variable capacitor for that. To be more specific, I need to model a sinusoidal movement, and use this movement in a capacitor and a...
View ArticleDifference between a power and signal pin?
Hi,I am making a schematic on virtuoso.What difference will it make if I use a signal pin instead of a power pin for VDD (when choosing the signal type for the pin)?Thanks and regards,Vishesh
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DRD error message meaning
Hi,I am trying to make the gnd rails at the bottom of the PR boundary, When I was trying to make a metal 1 line for the gnd rail, the DRD tool points out 2 messages: "minPRBoundaryInteriorHalo 0" and...
View ArticleDigital vector file
Hi, i am new to the cadence . can anyone please help what is the first step to create vector file
View ArticleSorry for the very elementary question about analog with hdl simulation.
Hi all,If you know how to simulate an analog schematic with hdl=functional views, please teach me step by step.I use Explore and spectre. The schematic is including analog device provided a vender and...
View ArticlePossible use of optimization tool in SPECTRE/211 using SPICE
Greeting,I previously worked with hspice in synopsis with their good optimization tool.However, it seems like there is no such counterpart in the spice supported by SPECTRE/211.It would be great if...
View ArticleUsing Spectre MDL to optimize transistor multiplicity (integer parameters)
Hello!I am trying to use MDL's built in `mvarsearch` to optimize a buffer to reduce the difference between input and output waveform. The problem is `mvarsearch` is treating transistor multiplicity...
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process corner simulation
Hello everyone, I encountered a problem during the process corner simulation as shown in the following figureAnd received the following...
View ArticleMeasuring input capacitance of Inverter using SPICE in spectre
I'm currently trying to use the SPICE in spectre to measure the input capacitance of the inverter.However, from the output result in the log, it seems like the input capacitance might possibly not be...
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Simulating with spectre hspice models.
I'm trying to simulate with spectre hspice models. I do not want to use hspice simulation as it is not Cadence.I believe spectre can simulate hspice models without any conversion.I'm encountering...
View Articlerecreate netlist finish but not show netlist with ams
Hi,Recently I got one issue about netlist. After I recreate netlist of one test in my bench, the new netlist doesn't appear. However, ciw says netlist has been finished can created. It seems I have to...
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ADE Explorer stuck on running
I conduct simulations using the Spectre simulator through ADE Explorer. Once the simulation is complete, I can view the generated results within ADE Explorer. However, although Spectre has finished the...
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