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各位大大,小弟用COMPOSER畫出了LATCH UP的等效電路圖,並轉成SP檔,其SP檔內容如下
# Y5 r! l) A% p.lib 'mm0355v.l' TT7 i/ G8 E- ~0 o. h0 k: d4 }
*.BIPOLAR
9 K" c9 V: B0 y1 ~" y*.RESI = 2000
" H0 b6 ^, c; Z6 I: {*.RESVAL) Z7 l5 g" f; t6 Y$ M4 d0 \- c$ H
*.CAPVAL. F5 T+ l X* _
*.DIOPERI* g, {0 X4 r/ s9 \8 E) k# i
*.DIOAREA# i1 q0 g3 L4 i6 w; ~0 t/ E+ O' F3 w
*.EQUATION7 N* o$ X6 I( n5 _- U @$ U, P
*.SCALE METER
# R8 Z* d# [8 i0 W*.MEGA' Q2 V3 f4 `. O% r6 q
*.GLOBAL gnd V' Q# k l } ~5 \
+ vdd' K5 y7 i9 q( ]0 w1 D8 v0 @; }
! G- o9 p7 [0 C# D*.PIN gnd6 |1 l. g W9 c
*+ vdd
- S5 b( [3 S- r8 _! Z9 _7 k6 n& Mvdd vdd 0 dc 3.3v
+ X0 T1 v) F4 g+ N. Y- ^: y.SUBCKT latch_up; b( M7 H+ ?1 k; I: O
*.PININFO7 e/ ^ K2 d+ W. k- k
RRS gnd net1 20K $[RP]+ v% j2 i' b# }, H
RRW net5 vdd 20K $[RP]3 Z( `5 [- Y# \. ~
QQ1 net5 net1 gnd NP .MODEL npn10
- O' G) T& ~& r, R& L& MQQ0 net1 net5 vdd PN .MODEL pnp10& b: j6 E: i6 a7 U) q) b
.ENDS
4 r4 G* U, m: C' w6 q# _7 m0 P; D. s小弟只會作到上述步驟...; @8 |# ~6 O7 \* t) k
所以想請教一下,
2 X' l3 t/ a' x; k小弟該下什麼語法才能模擬出LATCH UP的波形呢?
& L5 V+ ?' _) f% _! h煩請會的大大指導一下,謝謝。* _$ x. Q0 A# B- Z. B
3 X) B7 W. H2 c- d5 Z4 z8 h: X2 | m" E
[ 本帖最後由 n3e050 於 2009-6-4 05:50 AM 編輯 ] |
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