Problems with P_Probe in a design of a Mixer

fide961

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Hello everyone,
I am trying to measure the power of each part in a sub-harmonic mixer to check that the filters don't have anything wrong, but I have problems. Somebody knows what happens. Here is a picture of the design and the graphics. I used the same P_Probe in a solitary filter with this harmonic balancer analysis and obtained the normal behavior, but here I have something different.
Thanks in advance for the help.
 

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You say "I'm just doing Mixer Simulation" but You use Small Signal S-Parameters...
What do you expect from this nonsense simulation set-up ?
Do you have a solid knowledge about Mixers ?
 

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