"Chengju Yu" wrote in message >news:email@example.com...
To model a frequency-controlled resistor, I used the method including a >non-linear laplace form voltage control current source "GLaplace", that
some websites and >engineerings suggested.
I tried with a simple equation, R=1+f, when I do the AC sweep study in the >PSPICE, the model works fine as I attached figure as AC sweep, the
resistance changes from 1 >to 101 ohms when frequency changing from 1 to
100 Hz. And the voltage crossing that model is consistent with concept. In
AC sweep simulation, that model is working ok.
However when I simulate that in transient simulation with a simple 100Hz
sin wave, the resistance response of model is very inaccurate (the value is >far away from >R=1+100=101 ohms).
So I am not sure if those Glaplace model could be used in the transient >simulation.
Did anyone know any information related to that?
Any suggestions and comments would be appreciated.
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