www.gusucode.com > rf 案例源码程序 matlab代码 > rf/DrawCirclesOnSmithChartExample.m
%% Draw Circles on Smith Chart % Create an amplifier object from |default.s2p|. amp = read(rfckt.amplifier,'default.s2p'); %% % Plot the noise figure of the amplifier 1.9 GHz. fc = 1.9e9; circle(amp,fc,'Stab','In','Stab','Out','NF',10.396); legend('Location','SouthEast')