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貢獻code-matlab amp
好像不錯 下再看看" f* z* Q- O% ?; ?. Y1 V" e. M
s = tf('s');3 n0 [; T) e5 A0 H$ F
R1=2e3
1 O7 p' y- {4 f/ g+ kC1 =0.47e-9- t. p/ y W8 z$ g# I% s
R2 =8.2618e+003
. J1 k" T/ P" w/ F; cR3 =500
1 \6 r9 z$ D8 H8 ^Z1=R3+(R1/(1+s*C1*R1))2 n* g, v$ y! j% P
Z2=R2- L9 `3 D; e5 y ~3 K
% OPA gain:A;OPA open loop gain:A0 ; dominant pole ; compensator close feedback gain:Gcl
) S, X' I' F% i' _9 X/ c- ZA0=10.7, ^! j% _# d/ R" E4 y6 J' U& I
p=5e3/ H3 u5 W3 r m. C6 C5 @+ e
A=A0*p/(s+p)* ]0 \: L' q! X' x+ o6 { t) e
figure(1)
8 M& J2 L' d; x+ |9 V! S2 _" F8 Fmargin(A), l) \& A0 n. ^# G2 K
Gc=-((Z2/Z1)/(1+((1+(Z2/Z1))/A)))
' F; w$ |4 s7 B& `, efigure(2)
: m3 `. N' T% w$ Ymargin(Gc) |
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