function [ Au ] = Aumax( IC0, UT, R1, R2, RC, Rt, Rg, B )
rB= (B+1)*(UT/IC0);
R1repR2= RePlus(R1,R2);
R1repR2reprB= RePlus(R1repR2,rB);

Au= ((-B*RePlus(RC,Rt))/rB)*(R1repR2reprB/(Rg+R1repR2reprB));

disp(['Au= ', num2str(Au)]);

end