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https://www.circuitlab.com/circuit/6a64r8/bandgap/
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附上電路圖 7 d1 x6 i( j8 q, z
* _/ o6 i$ `5 D- {0 N0 O5 {& p5 s$ n4 r; z7 m3 o
mb1 t5 t1 vdd vdd pch5 l=1u w=45u m=1
, P7 u& ?- h" G) y: n; j6 ~' J; lmb2 t9 t1 vdd vdd pch5 l=1u w=45u m=1
4 j5 z6 Q, O( t" A4 k E% o1 vmb3 t1 t2 t5 vdd pch5 l=1u w=45u m=1
; } o7 C/ E& R wmb4 t3 t2 t9 vdd pch5 l=1u w=45u m=1
% D' w) W5 l3 t( \4 b' U* k" ?( g2 o
mb5 t2 t3 t6 gnd nch5 l=1u w=10u m=1
7 v) R3 `$ m9 v) omb6 t4 t3 t10 gnd nch5 l=1u w=10u m=1* `/ W3 t: }* A& A9 l0 t& C" I# L
mb7 t6 t4 t7 gnd nch5 l=1u w=14u m=1
- s) ?" D; d j/ T9 a6 p2 |mb8 t10 t4 t11 gnd nch5 l=1u w=10u m=1 " j2 I0 v* n0 @4 p+ S
7 T5 Z! c6 @& F; Z" v5 AR1 t7 t8 4k tc1=1.5m
7 K7 k4 Z" l# s* p) ? `0 tR2 t1 t2 15k
' h& q6 U$ F* c$ VR3 t3 t4 15k
( F$ J4 r# Z+ e+ z7 K; f****************************************$ A' l* C9 h* u# ^
m9 t12 t1 vdd vdd pch5 l=1u w=45u m=1. U- C9 Z0 h( M: J1 m
m10 vref t2 t12 vdd pch5 l=1u w=45u m=1. b. h H1 _( q T- I! U
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R4 t13 vref 24k tc1=1.5m 7 y, A& `+ n1 W. Y
0 l5 v- H& y9 F9 Y7 I. L9 ?$ iQ1 GND GND t8 PNP10 M=9; O; N! V$ ?3 N7 Y" H1 K
Q2 GND GND t11 PNP10 M=1) w" F+ e% R2 x
Q3 GND GND t13 PNP10 M=1
9 u* D# s5 H3 k' [5 w& p, \CL vref gnd 2p
9 i! n( h. M( Z2 V- r*******
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.option post' O* A" E4 s- X, e5 Z# ]
*.dc vdd 0 5 0.01- \2 c- P& ^, G2 N( _
.dc temp 0 90 0.1
+ x2 w9 F; \. U' P: q2 q. N.print v(vref) v(t13) i(mb7) i(mb9)
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& h! M# F0 S% E' y2 o" n G# {: T做出來的電路,問題出在電阻說不能直接用TC1,要直接呼叫製成檔的電阻: g: I2 h1 C% }6 N) U3 _7 S9 |( ]
這卡了我好幾天 有人知道要怎解決這問題嗎? 電阻大小我都算出來了 |
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