%
% Case study 9.5
%
w=0.1;
while pi+angle(1/((j*w)*(j*w+1.55)*(j*w+0.0546)))<0.6109;
w=w-0.01
end
dG=0.8424*abs(1/((j*w)*(j*w+1.55)*(j*w+0.0546)))
end