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P型 電流鏡複製 問題是做完輸出檔發現 3顆PMOS 全進入截止區
: b5 f+ n1 N& |# y. i請問有人知道出啥事嗎? 該如何改良
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| Element | M5 | M6 | M7 |
3 w4 x+ _9 U: l$ c+ _0 n5 ?* K& }# k|------------+--------------+--------------+--------------|( G; X3 P M* J+ _' |1 ~
| Model Name | PCH5.2 | PCH5.2 | PCH5.2 |2 @/ Y9 X& K* R, V
| region | Cutoff | Cutoff | Cutoff |
) K3 C6 S7 i7 A- U| id | -1.0000e-004 | -1.1100e-003 | -1.6650e-003 |) ^; r# v0 [2 T# i, y5 W X
| ibs | 2.6882e-017 | 2.9805e-016 | 4.4708e-016 |; m8 F) ]& h2 m& S- j; C* }! W
| ibd | 1.2688e-015 | 1.2688e-014 | 1.9032e-014 |
" A5 f# T3 Z$ a| vgs | -1.9358e+000 | -1.9358e+000 | -1.9358e+000 |
" e# e, R. b6 q E) f| vds | -1.9358e+000 | -5.0000e+000 | -5.0000e+000 |7 u# k* F# a! u( C! q6 m# J" _
| vbs | 0.0000e+000 | 0.0000e+000 | 0.0000e+000 |+ a m" K- k) ]3 ?( v* m9 A
| vth | -1.0539e+000 | -1.0351e+000 | -1.0351e+000 |
2 k; Q: Q- a$ k( C9 I| vdsat | -7.2277e-001 | -7.3630e-001 | -7.3630e-0012 D3 a5 p! v0 o) |. N
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% \: D; k7 F. S7 o5 O*******************************************
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.lib 'C:\synopsys\lib\mm0355v.l' TT_5V 8 `. O$ Y9 q6 @- l* m& m1 c
**************************************
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**電流鏡**" `1 G' i! \: D$ C
7 l' p9 S- z4 Q' Rm5 g50 g50 vdd vdd pch5 l=1u w=10u m=1
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m6 gnd g50 vdd vdd pch5 l=1u w=10u m=107 r; g& l6 Z+ Z- `" D% `! F. z
m7 gnd g50 vdd vdd pch5 l=1u w=10u m=151 |6 `2 [7 v: H; @$ [
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vdd vdd gnd dc 5v
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iref g50 gnd dc 100u6 J8 h) H* ~, V( ~$ v; w" h1 C
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.op
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.dc vdd 0 3.3 0.01
( X0 E6 N' F X* S$ b, U.print i(m5) i(m6) i(m7)& \2 g# D" y* E; _3 d3 \' u
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.option post
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