transistor_model0218.asv

Doherty功放的相关特性的仿真代码

%The model of a transistor
%2007-02-18
%wujianfeng 
%Sweden
function [Ids]=Ids(Vgs,Vds,param)
Vth=param.Vth;
Imax=param.Imax;
Vknee=param.Vknee;
Vgs_sat=param.Vgs_sat;
K2=2/Vknee;
K1=2/Vgs_sat;

for n=1:length(Vgs),
    for m=1:length(Vds),
        if Vds(m)>0,
            if Vgs(n)-Vth>0,
                Ids(n,m)=tanh(K1*(Vgs(n)-Vth)).*Imax*tanh(K2*Vds(m));
            else
                Ids()