15.2 Bode Diagram of Simple system Case 1: GH()-1 →M o=-tan( ar) 1+Isls=jo 1+ jar 1+a-T Mm=20g0M=20-|g+o72) 0<< 0>> T (break point) Ma=20-0g(+0)=0 dB=20 lg(+1)==MB/M=20-wr) g=tan(0)=0 20 logT-20 o q=-tan(l)=-45 g=-tan(o∞)=-90 3dB log o 20dB/ decade 10T T log o -9015.2 Bode Diagram of Simple system