Stanley wrote on Jul 25th, 2008, 6:12am:Why when you go the manufactures web site for a transistor or FET they give you the S2P file with the S-Parameters, but they do not include the noise parameters? (Fmin, Γopt, Rn, freq)
This is because noise parameters are not stable and need high cost in measurement compared to s-parameters.
Stanley wrote on Jul 25th, 2008, 6:12am:Is their a way to get Γ[sub]opt and R[sub]n from knowing F[sub]min and the S-parameter for that frequency.
You can't derive Γopt and Rn from Fmin and S-parameters.