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Virtuoso ADE L calculator - delay function - Variable value in threshold field

Manp

Hi,


I am simulating my design for a sweep in a range of different VDD values and I need to find the delay for a huge number of waveforms combined in a "family". now the problem here is to express the threshold value as a variable of the original signal.

For example, I add getData("/WWL" ?result "tran") as a family of waveforms in signal1. How can I tell the threshold field of signal1 that the threshold for each wave of the whole family is the 50% of the maximum value of each waveform???

  • Divy
    As you are varying the vdd values so it will be a variable for you so in threshold field you can use that variable 0.5*VAR("vdd").
  • Manp

    Thanks Divy for your reply. I did a parametric sweep with vdd as the variable. and I tried to use your method. But, it gives an error of :

    (\"*Error* asiGetDesignVarList: no applicable method for the class\" List ())

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