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    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


    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?





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