power amplifier load pull simulation in ADS

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yef smith

Joined Aug 2, 2020
293
Hello, I am trying to understand the logic of the following simulation.
I want to know the input impedance and load impedance for maximal gain.
They put some s1p_eqn which is supposed to be the matching network equivalent which is defined by loadtuner
but they dont define the loadtuner expression no where.
What is the the logic behind the s1p_eqnobject in creating smith chart circles?
Thanks.
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