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4#
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樓主 |
發表於 2009-5-9 23:00:58
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只看該作者
現在仍是不行耶~( M4 q6 D4 N5 a) {4 T
先看看這個test signal and circuit
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0 Z4 |# m$ M% l7 ]3 A# C* Include device model with filename "cmos_035.txt"7 P( \9 d6 |( n; H* O1 t2 S
.include cmos_035.txt
* m' Z6 I8 l4 R, O: B: m# U.include hy_cmp.sp
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* Control statements0 i/ Q) T* ^ z* U" G% t9 D3 v
x1 vdd 0 vh+ vh- vct ck hy_cmp
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) z% K# W0 ^1 F+ ?* f9 cvdd vdd 0 5
2 G1 n3 Z! u2 T( |3 a* CVhigh Vh+ 0 0.7
3 Q) D# P g- q* r# JVlow Vh- 0 0.3& c5 R* G% h4 g& W1 Y
vtest vct 0 pwl(0 0 9u 1 10u 0 19u 1 20u 0 29u 1 30u 0 39u 1). z- u. |5 f! }% ?$ m2 {% J
5 n3 y( I7 f, q4 ^' Z1 X.tran 0.1u 40u
# F7 O4 m3 h6 k4 H.probe v(vh+) v(vh-) v(vct) v(ck)2 [- b% a( a1 h+ `/ y
.print v(x4.not_s) t9 c* |2 y8 v/ O8 F u0 ~0 {
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.op+ `/ b/ Y- s* \. S% p
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.end) H( }4 e5 z, U3 o. ~
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再看看這個叫hy_cmp的sub circuit
7 r. v# u$ C7 s0 J" n) k我要怎麽做才可以看到下面叫not_r的波形?4 \( {1 h3 G5 l4 t; r: j7 B% @
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** Subcircuit - Hysteretic Comparator**- A1 C9 m- E5 {$ H4 l. X3 [
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.subckt hy_cmp vdd vss Vh+ Vh- Vct ck
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+ }8 A8 U# b1 k( H* s/ f3 O.include rs_latch_nand.sp4 v* O$ L# A, u; j
.include cmp.sp
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x1 vdd vss not_s not_r ck not_q rs_latch_nand
8 n* `5 W$ N6 s) L, a, hx2 vdd vss Vh+ Vct not_s cmp
7 G( H$ G! \- _! I% Nx3 vdd vss Vct Vh- not_r cmp
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.ends
$ K' {9 L; v) q' W2 u*****************************************% N! _% J( `4 k$ {' s
! T( a, V! M, T$ s+ ~- X. w[ 本帖最後由 matmat 於 2009-5-9 11:04 PM 編輯 ] |
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