in the forum post
Simulation of S-Parameter-Matrix with complex Port Impedances
(cannot post links here)
it is mentioned, that complex port impedances are not supported.
anyway, if you add a ‘*’ in the impedance definition (e.g. 15+15j changed to 15+15*j), you get the -1,1547 dB.
btw: I would have used the formula to the right. That gives -1,23 dB. Don’t know, which is the right answer
