clc;
//e.g 22.14;
gm=4*10**-3;
RD=1.5*10**3;
RG=10*10**6;
rs=500;
rl=RD;
AV=-(gm*rl)/(1+gm*rs);
disp(AV);
RL=100*10^3;
rL=(RD*RL)/(RD+RL);
AV=-(gm*rL)/(1+gm*rs);
disp(AV);