How Do You Plot Admittance On A Smith Chart?
A unique feature of the Smith chart is that you can make accurate calculations without the need for a calculator. All you need to plot admittance on a Smith chart is a sharp pencil, a compass and a copy of the chart. You can either plot admittance directly on the chart, or you can plot impedance and then get the admittance by simply rotating the chart. Determine the admittance of the load and the characteristic admittance of the transmission line if you want to plot the admittance directly. If you prefer to use impedances only, then determine the impedance of the load and the characteristic impedance of the transmission line. Divide the load conductance by the characteristic admittance of the transmission line to get the normalized conductance. For the impedance approach, divide the load resistance by the characteristic impedance of the transmission line to get the normalized resistance. Plot the value calculated in Step 2 on the horizontal axis of the Smith chart. This works for both
