actually this component doesnt work for high frequency such as 26-40. it gives 0 response.
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of course ! we do have in ADS. in system-datamodels.. MixIMT , Mixer Data. think so if an S3P file is imported to it, we ll get a response. i hadnt tried yet but if i get tat file , may be i should try.
S-parameter are linear network parameter. Let's say: Your mixer input is fed with a frequency f1 than you get the response on the output of f1, not at an IF-frequency!