max_efficiency.asv

Doherty功放的相关特性的仿真代码

%efficiency of a pa when we consider the loss of the PA
%2007-02-16
%wujianfeng
%Sweden
clear all
close all
vd=0:0.03:30;
id=0:0.01:10;
vdd=30;
k=pi/4;
rsr=0.8;
rsh=10;
for m=1:1:length(vd)
    for n=1:1:length(id)
eff(m,n)=((vd(m)-id(n)*rsr)*id(n))/(vdd*k*(id(n)+(vd(m)/rsh)));
if eff(m,n)<=0
    eff(m,n)=0;
end
    end
end
figure(1)
mesh(vd,id,eff);
xlabel('Vd');
ylabel('Id');
zlabel('eff');
figure(2)
c=contour(vd,id,eff,15);
clabel(c);
figure(3)
[c1,h]=con