Need help with Pspice. urgent

Discussion in 'General Electronics Chat' started by Saheli, Aug 19, 2013.

  1. Saheli

    Thread Starter New Member

    Jul 9, 2013
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    Hi, i need a help in pspice. im using Orcad 9.2. i used a mosfet switch in my circuit but i get an error message while simulating it as "
    ERROR -- Subcircuit M2N7000/ZTX used by X_M2 is undefined " .. plz help asap.Thank you.
     
  2. crutschow

    Expert

    Mar 14, 2008
    13,056
    3,245
    The M2N7000/ZTX is likely not properly defined in the model files. Is this a device model that was added to Pspice?
     
  3. Saheli

    Thread Starter New Member

    Jul 9, 2013
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    Yes, this was added to its library. can u please suggest what to do in this case? i have tried to copy and paste its .model file in netlist but it didnt work. plz help.
     
  4. WBahn

    Moderator

    Mar 31, 2012
    17,786
    4,807
    One of the first things you might try is replacing the guts of the model with your own subcircuit call that simply invokes a basic MOSFET. The idea is to see if the problem is inside the model, or something with how the model is being called.
     
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  5. Saheli

    Thread Starter New Member

    Jul 9, 2013
    10
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    i tried using Mbreakn. it gives no simulation error but shows no graph
     
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