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Quantus QRC (PVS interface) error

mhkvy4

Hello,

I am not sure if this is the right forum to post issues regarding Quantus QRC. If it isn't kindly, move the thread to the appropriate forum. 

I was trying to use Voltus FI for EMIR analysis. The rak is titled "Voltus-Fi-L EMIR Analysis Workshop". The basic flow has you do LVS with PVS followed by extraction using Quantus QRC's PVS interface. This is then used as an input to Voltus FI. The LVS ran without any issues but I get the following errors during RC extraction. 

ERROR (CAPGEN-41313): The options "-delta_gate_ckt" OR "-delta_gate_ckt_by_device" OR "res_gate_factor/res_gate_default_factor" can't be used together "exclude_gate_res". Restate input options.

ERROR (RCXSPIC-27225): /public/cadence/618/EXT182/tools/extraction/bin/64bit//capgen failed with status 25

For what it's worth I am using EXT18.2 version, not the 18.1 version. The drop down menu in the layout editor now says Quantus instead of QRC like it does in the rak. 

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  • Quek

    Hi mhkvy4

    You have posted to the right forum. Would you please try the following?

    a. In Quantus form, go to "Extraction" tab
    b. There is most probably a default value of "2" in "Gate Resistance Factor" field
    c. Please remove it and retry extraction


    Best regards
    Quek

  • mhkvy4
    in reply to Quek

    Yes, that made it work. Could you explain what the default value of 2 implies? I am assuming leaving it blank means gate resistance is not taken into account when doing RC extraction.

    Thanks. 

  • Quek
    in reply to mhkvy4

    Hi mhkvy4

    QTS divides the calculated gate res by the specified factor. You can read more about "res_gate_default_factor" compilation option in $QRC_HOME/doc/extTechgen/extTechgen.pdf. It has a detail explanation on the option.


    Best regards
    Quek

  • mhkvy4
    in reply to Quek

    I will read the documentation. Thanks for your help. 

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  • mhkvy4
    in reply to Quek

    I will read the documentation. Thanks for your help. 

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