kamiar.t
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I am simulating in terahertz (THz) range which source resistance is high (>10 Kohms), I want to obtain S-parameters and input impedance but i saw that in some frequencies the amount of S-parameters are larger than 0 dB and real part of input impedance is also negative.
i think they are not reasonable, can anyone explain what is wrong in my simulation?
i think they are not reasonable, can anyone explain what is wrong in my simulation?