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how to simulate time varying capacitance in Orcad ?

reddytinku

 Hi

I have a circuit which has piece-wise time varying period capacitance- how to simulate this type of circuit in OrCAD?

Thank You

Parents

  •  thanks :)

    got the concept. can we enter the time and voltage values in a simple text document or do we need to use any text editor ? how to upload this file to the VPWL_FILE source ? I tried through property editor of it, bt couldnt able to do it

    And my Orcad doesnt has Spice_elem library(which has VAR_CAP) so I downloaded the library and added to the Orcad capture, so when I started to run the circuit I am getting an  error  ''ERROR(ORPSIM-15108): Subcircuit AWBVC_CAP used by X_U1 is undefined '', how to over come this ?

    Thank you very much for your time, pease forgive me if I am troubling you.

     

Reply

  •  thanks :)

    got the concept. can we enter the time and voltage values in a simple text document or do we need to use any text editor ? how to upload this file to the VPWL_FILE source ? I tried through property editor of it, bt couldnt able to do it

    And my Orcad doesnt has Spice_elem library(which has VAR_CAP) so I downloaded the library and added to the Orcad capture, so when I started to run the circuit I am getting an  error  ''ERROR(ORPSIM-15108): Subcircuit AWBVC_CAP used by X_U1 is undefined '', how to over come this ?

    Thank you very much for your time, pease forgive me if I am troubling you.

     

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