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貢獻code-matlab amp
好像不錯 下再看看
% g5 T8 w+ {; }; C: |s = tf('s');$ {' R3 f2 [' K7 h
R1=2e35 h0 ?/ P0 f7 }0 Q1 q
C1 =0.47e-9
1 I/ `* ~9 A% a0 hR2 =8.2618e+003
" O0 P6 s% A! C: P8 v2 AR3 =5009 i; D, `) W @
Z1=R3+(R1/(1+s*C1*R1))4 L! V1 z: l9 u) m' F o- D: X6 ~: t
Z2=R2; S' L+ M" x' w9 H
% OPA gain:A;OPA open loop gain:A0 ; dominant pole ; compensator close feedback gain:Gcl
- G1 k% Z4 g+ t, O' ^A0=10.7" r" @0 H( ^) W. t4 } Y; P/ H8 R) o
p=5e37 P% v3 d9 e9 ^* g
A=A0*p/(s+p)1 U4 N* o. F6 m6 R% A$ R; e5 W
figure(1)- S, y& x: |2 a$ S p6 ]3 ~1 s$ o
margin(A)2 @, z8 C' p/ o9 i
Gc=-((Z2/Z1)/(1+((1+(Z2/Z1))/A))); r6 |0 g3 Q9 J8 d, i
figure(2)' E( H( f8 q/ q2 g2 o; m7 Z5 Y
margin(Gc) |
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