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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
/ g( H* E F/ d5 N8 S9 J請問有人知道出啥事嗎? 該如何改良# c2 O3 u M, y+ H. @; D0 W3 ]
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| Element | M5 | M6 | M7 |
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| Model Name | PCH5.2 | PCH5.2 | PCH5.2 |
9 b, P) }' ?$ B; k| region | Cutoff | Cutoff | Cutoff |: _) }$ f5 `( a; R
| id | -1.0000e-004 | -1.1100e-003 | -1.6650e-003 |3 A9 H# N6 ]7 Q: M5 X6 F8 B5 O
| ibs | 2.6882e-017 | 2.9805e-016 | 4.4708e-016 |8 i; g. n& p, E: P5 A( A
| ibd | 1.2688e-015 | 1.2688e-014 | 1.9032e-014 |4 y2 P, U2 o. Y/ @( t. e, o9 g; a
| vgs | -1.9358e+000 | -1.9358e+000 | -1.9358e+000 |
6 B/ O, R4 N. o1 F+ d+ P ^| vds | -1.9358e+000 | -5.0000e+000 | -5.0000e+000 |
, q. ?# R0 w% Q4 F# _. }| vbs | 0.0000e+000 | 0.0000e+000 | 0.0000e+000 |
. k5 M% s! l/ l0 ]7 y- E2 D| vth | -1.0539e+000 | -1.0351e+000 | -1.0351e+000 |5 G/ w( X# i. Z& t; t, M7 W) R \1 d
| vdsat | -7.2277e-001 | -7.3630e-001 | -7.3630e-001: n/ E- @8 D$ X: d# e
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**電流鏡**! C/ ?$ q3 `9 K4 g& b( s
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m5 g50 g50 vdd vdd pch5 l=1u w=10u m=14 a/ q9 Z# Q& @
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m6 gnd g50 vdd vdd pch5 l=1u w=10u m=10' f4 ^' f y, U) A% Q
m7 gnd g50 vdd vdd pch5 l=1u w=10u m=15
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p+ b% C7 x f- S1 ~9 O: v vdd vdd gnd dc 5v
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iref g50 gnd dc 100u: H% L& n/ F9 M7 e* U& J/ T
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4 G# j R2 `$ a; Z1 U.dc vdd 0 3.3 0.01
0 i8 k" ~5 g) J.print i(m5) i(m6) i(m7) T/ E, q7 G- I$ [$ | J& Z
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