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Transient analysis- Knowing Region of operation

kartheek RP

Hi,

Am using Cadence virtuoso ADE L environment, Is there any way to know the region of operation of Transistor (of UMC 180 nm technology) at all instants of my Transient simulation, which can be very useful in any design analysis.

Parents

  • In IC616 ISR10 or later you can use Outputs->To be Saved->Save Op Point and then click on the device and in the Save Operating Points tab that appears, type "region" in the entry box as a parameter to save. You can then navigate to the results browser and find M1:region (if it was called M1) and plot that.

    Or in IC616 ISR12 or later (assuming you have saved the setting above) you can use the "ot" button in the calculator (like "vt" but for operating point transient) and click on the instance, and then pick "region" from the drop down list (essentially a list of what you saved) and plot it.

    If using an older IC version, create a file called (say) save.scs with this content:

    save I0.M2:region

    (where the first part is the path to the instance) and then include this via Setup->Model Libraries or Setup->Simulation Files->Definition Files. Then you can access it via the results browser as described above.

    Regards,

    Andrew.

Reply

  • In IC616 ISR10 or later you can use Outputs->To be Saved->Save Op Point and then click on the device and in the Save Operating Points tab that appears, type "region" in the entry box as a parameter to save. You can then navigate to the results browser and find M1:region (if it was called M1) and plot that.

    Or in IC616 ISR12 or later (assuming you have saved the setting above) you can use the "ot" button in the calculator (like "vt" but for operating point transient) and click on the instance, and then pick "region" from the drop down list (essentially a list of what you saved) and plot it.

    If using an older IC version, create a file called (say) save.scs with this content:

    save I0.M2:region

    (where the first part is the path to the instance) and then include this via Setup->Model Libraries or Setup->Simulation Files->Definition Files. Then you can access it via the results browser as described above.

    Regards,

    Andrew.

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