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 Fixed step size 

Last post Mon, Apr 22 2013 5:29 AM by TLIG. 2 replies.
Started by TLIG 20 Apr 2013 02:45 AM. Topic has 2 replies and 753 views
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  • Sat, Apr 20 2013 2:45 AM

    • TLIG
    • Not Ranked
    • Joined on Mon, Nov 26 2012
    • Sousse, Tunisia
    • Posts 7
    • Points 95
    Fixed step size Reply

    Good day evryone

    can you told me how to simulate with a fixed the step size  ?

    in my simulation i use the MOSFET commutation and with maximum step size ORCAD variate the step size in commutation. But i need  fixed step size.

    thank'you

    tlig 

    • Post Points: 20
  • Mon, Apr 22 2013 12:07 AM

    • alokt
    • Top 25 Contributor
    • Joined on Fri, Aug 22 2008
    • Noida, Uttar Pradesh
    • Posts 232
    • Points 3,335
    Re: Fixed step size Reply

    PSpice let you choose maximum time step size for transienet analysis. This is an optional argument. If this argument is defined, simulator would not exceed this limit, however it can go below this, if circuit demands so.

    To set the maximum step limit, in OrCAD Capture, select PSpice>Simulation Setting >Analysis TAB , under Time Domain (transient) Analysis Type, define the "Maximum step size" value.

    Be careful with value, a very small value would slowdown the simulation and generate huge data. Defining this value would also lead to different result vis-a-vis the case when this simulation parameter is not defined. Although generally both of these would be in broad agreement with each other.

    • Post Points: 20
  • Mon, Apr 22 2013 5:29 AM

    • TLIG
    • Not Ranked
    • Joined on Mon, Nov 26 2012
    • Sousse, Tunisia
    • Posts 7
    • Points 95
    Re: Fixed step size Reply

    Hi,

    Thunk'you for answer, but i asked can i work with fixed step size, my problem is to compare a simulation signal and mesurment signal.

    in the mesurment i use a fixe step size in all commutation but wen i use orcad to simulate the sime circuit i have a problem that the step size can be modifie with orcad

     

    thank'you

    TLIG  

    • Post Points: 5
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Started by TLIG at 20 Apr 2013 02:45 AM. Topic has 2 replies.