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Cadence monte carlo, mdl script & autostop

chris31

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Hi all,

I have some issue when running monte carlo using cadence. I'm running simulation for oscillator circuit. My mdl script is to measure after 5 cycle of my oscillator output. I also include autostop function so that the simulation will stop after finish the measurement to save simulation time.

Here my mdl script:

alias measurement trans {
run tran
export real d1=cross(V(out). dir='fall, n=10, thresh=0.2)
}
run trans

my autostop function i declared in transient setup "autostop=yes"



When i run transient, there is no issue. but when i run montecarlo, there is no output waveform. when i remove the mdl script, it works fine.

i need the autostop function because the sim takes too long expecially monte carlo where a lot of sample.


Can anyone comment on this matter? I highly appreciate it.
 

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