6.11. For each second-order system whose frequency response is as follows, specify the straight-line approximation of the Bode magnitude plot: (a) (b) 0.02 250 (jw)² +50.5jw+25 jw+50 (joo)² +0.2 ja +1/n6.28.

(a) Sketch the Bode plots for the following frequency responses: 1 + (jw/10) (ii) 1 (jw/10) 16 (jw+2)4 (iv) (vi) (i) (iii) (ja/10)-1 1+joo (vii) 1-(jw/10) (jw)²+(jo)+1 (ix) 1+ jw + (jw)² (xi) (ja+10)(10 jw+1) [(jw/100+1)][((jw)²+jw+1)] (viii) (x) 1-(jw/10) 1 + jeu 1+(joo/10) 1+ jas 10+5 jo+10(jo)² 1+(jw/10) 1-jw + (jw)²