Home Forums Usage Frequency Dependent Device

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  • #642
    WN2A
    Participant

      Hello,

      Maybe I am missing the obvious, but I am trying to simulate a frequency dependent resistor within a subcircuit. The top level circuit will do a S-Parameter simulation, and I am trying (without success) to pass the frequency down to the subcircuit so it can simulate a frequency-dependent resistor. I have tried to use the equation block in the top level circuit to create a new variable name, but no success in passing it to the subcircuit. It is odd that I can display this new variable in a graph or table, but I cannot work with it in a simulation.

      ex: Equation 1

      Fract=frequency*2

      I can create the Cartesian Graph or a Table of Fract (and frequency), but cannot make it control behaviour of a  component, in that top level circuit or any subcircuit.

      Any Ideas?

      Thanks

      Mike

       

       

      #1017
      denzchoe
      Participant

        Any luck with this work. I am trying to find the reserved word for frequency, so I can do the same thing with a frequency dependent device. I can’t find it anywhere.

        #1018
        WN2A
        Participant

          denzchoe,

          No. I have not seen (or tried) anything further than the original post. My “work-around” is to use frequency as a constant. There may be a way for QucsStudio to work with it as a variable, just have not found it.¬† I will look into it further, since I am still interested.¬† Let us know if you find a solution.

          Thanks,

          WN2A

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