|
貢獻code-matlab amp
好像不錯 下再看看# C& Y N7 G, I; R$ c! \
s = tf('s');
3 T: i, p/ T1 Q+ f6 f* {7 e. ?% ~R1=2e3
3 P* u5 S$ r) KC1 =0.47e-9
) ]; z1 o3 u7 h; h. @4 L* TR2 =8.2618e+003
9 U$ D0 T5 g3 YR3 =500) c$ n5 O+ Z, n+ j* D
Z1=R3+(R1/(1+s*C1*R1)) m2 k% I; K6 J* v7 T0 Q
Z2=R22 }/ H& r/ {8 ^) I. o, {
% OPA gain:A;OPA open loop gain:A0 ; dominant pole ; compensator close feedback gain:Gcl + K. w9 ]& c( o4 Z+ s
A0=10.73 m0 a! t; @- A/ a% q
p=5e3& M0 k- p) [3 b0 K
A=A0*p/(s+p)6 h) D9 f- l/ B( F4 O' D
figure(1)4 K1 U/ e! y& g" t# z7 I. g1 p
margin(A)
m& g+ S$ `7 @: O4 ^) m& {Gc=-((Z2/Z1)/(1+((1+(Z2/Z1))/A)))
# L4 x' x6 X7 xfigure(2)
' h( T7 h A# t; a5 a' p& I8 t2 bmargin(Gc) |
|