Is it accurate to calculate characteristic Impedance from measured S-parameters using some formulas?

I have been using the formula Z0=Zs*((1+S11)^2-S21^2/(1-S11)^2-S21^2) to extract the characteristic impedance from measured S-parameters of a transmission line (TL). This calculation for Z0...

27 September 2023 4,419 0 View