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Monte Carlo Problem with Swept PSS and PAC

vjain83

I am following the example in SpectreRF manual to simulate IP3 using swept PSS and PAC combination. I added  output-referred IP3 as an output, using the Direct Plot form. When I run a nominal simulation using ADE L or XL, the IP3 output expression evaluates without any problem. But when I run a Monte Carlo analysis in ADE XL, the IP3 expression doesn't evaluate, and gives an error:

 "Results pac are not available for ....../psf/mc1_separate/002. Use results() for a list of available results."

 I also have other expressions using pss results. These evaluate correctly when I run the Monte Carlo without a pac analysis. But, when I include the pac analysis, 'some' of the pss-based expressions also fail to evaluate.

I searched on the Cadence support website etc, but couldn't find a solution that works. 

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  • Hi Vipul,

    You probably wouldn't see them anyway unless you have the option to save family data (on the Monte Carlo options form) checked, as otherwise the result data gets removed after each iteration.

    You could try turning that on to see if it helps (it shouldn't make any difference though, but at least you'd be able to see if the PAC results are there after simulation).

    Maybe MMSIM131 ISR2 will help; not sure though.

    Regards,

    Andrew 

Reply

  • Hi Vipul,

    You probably wouldn't see them anyway unless you have the option to save family data (on the Monte Carlo options form) checked, as otherwise the result data gets removed after each iteration.

    You could try turning that on to see if it helps (it shouldn't make any difference though, but at least you'd be able to see if the PAC results are there after simulation).

    Maybe MMSIM131 ISR2 will help; not sure though.

    Regards,

    Andrew 

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