analog_chip
Full Member level 1
Hi,
What is the significance of plotting S21 in Smith chart? I know that it plots normalized (S21-Z0)/(S21+Z0), what is its significance?
Plotting S11 makes sense because in that case it represents reflection co-efficient and hence it is helpful in matching etc. But why S21?
What is the significance of plotting S21 in Smith chart? I know that it plots normalized (S21-Z0)/(S21+Z0), what is its significance?
Plotting S11 makes sense because in that case it represents reflection co-efficient and hence it is helpful in matching etc. But why S21?