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3#
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發表於 2007-9-9 15:58:58
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這是小弟寫的SPICE的 netlist 檔,接法應是沒錯,因為跑出~up和~dn波形是對的 ,
: |: o z/ }1 J2 V% m/ b9 W7 G$ I8 t但是就是不會寫程式碼使之有可以用 deadzone的圖形& ?! s- }7 D; l- C
還有電路圖,
! y. l5 J# O% q( u" S8 C; L# K試了滿久還是試不出這個圖形,麻請高手們,可以寫一下如何跑出這波形
! l8 J6 \/ L' \( D+ @4 y還有小弟是新手,以下有錯的地方請大力鞕....謝謝指教
- m' x6 n6 [4 i8 ^**********************************************************************
9 g" K9 q7 Q4 z* R/ R.PARAM phaser=0ns phasev=0ns $定義參數 g) b% i2 C: B! R2 Q- r
.PARAM phase_error='phaser-phasev'
7 G! K& }& l( ?& q6 Z# p- ]* c.GLOBAL vdd7 r' n9 }+ O3 c. Z( B/ q, j
vrbar rbar gnd pulse(0 3 phaser 2ns 2ns 48ns 100ns)" G& ^2 h: `0 h* P
vvbar vbar gnd pulse(0 3 phasev 2ns 2ns 48ns 100ns)$ |" f. p" W. r7 V
. B" _; ?. P0 S0 R
9 g S8 j1 g% k( l. N
***************************** main circuit ********************************
+ T/ g, ^ a" ]# J# kvdd vdd gnd dc=3v7 G) u4 S/ M0 a
Rrbar rbar gnd 100g# `- D* x& z' I$ n
Rvbar vbar gnd 100g
" r3 G7 f6 ~" fxnand21 rbar 1 2 nand2! r; C$ a/ b/ u; T* N; i$ k0 K0 ~& H
xnand22 vbar 9 8 nand2# f2 A* {" B [# \" Q$ k3 L
xnand23 2 3 upbar nand2
$ w% A; x" Z, w4 w4 Gxnand24 7 8 dnbar nand2 Y# _5 D* v0 G' p4 _
xnand2a1 2 4 3 nand2a
) s- C. S1 v% |" Y7 M/ Jxnand2a2 3 5 4 nand2a
3 f# [3 {# L, X4 Jxnand2a3 5 7 6 nand2a3 e" S' `5 c: r# M
xnand2a4 6 8 7 nand2a) V2 U# _$ T. K e' K
xnand31 2 3 5 1 nand33 e' Y" O6 Q$ M6 I
xnand32 5 7 8 9 nand37 a) `* s, d S6 @- o0 K
xnand4 2 3 7 8 5 nand4
/ m% @2 K9 w2 ?/ Y q9 @9 J- YCL1 upbar 0 1ff
2 {. U6 h. s/ e9 }7 }3 iCL2 dnbar 0 1ff
$ B) d F$ p1 z' U, ], b8 h, D! A+ p8 y+ {3 \4 h5 m
********************nand4*******************************
2 I' X6 a# l N% u9 X1 J.subckt nand4 in1 in2 in3 in4 out
7 W. R7 D( D. @- e m1 vdd in1 out vdd pch w=0.8u l=0.35u
; _$ g) D2 B$ t: ^. z: d. s+ e m2 vdd in2 out vdd pch w=0.8u l=0.35u9 ]3 W( m* d# r& f/ o8 T9 m
m3 vdd in3 out vdd pch w=0.8u l=0.35u
$ ^8 m9 I, F6 ?6 Z m4 vdd in4 out vdd pch w=0.8u l=0.35u
' G2 }( {* N: I m5 out in1 1 gnd nch w=0.63u l=0.35u
5 S c; N/ |- @, [' e: s m6 1 in2 2 gnd nch w=0.63u l=0.35u8 h5 v7 U4 b( U
m7 2 in3 3 gnd nch w=0.63u l=0.35u
; I0 V6 f; z5 g m8 3 in4 gnd gnd nch w=0.63u l=0.35u
) z* b: g3 e; P+ M, u# i.ENDS nand4
0 ~( x3 |7 j* f% L$ S
7 E5 a9 g( S# g* u& x/ d8 T********************nand3*******************************- y1 ~% r( e4 s! c# W
.subckt nand3 in1 in2 in3 out/ t2 [) d6 [5 h# }* I4 C
m1 vdd in1 out vdd pch w=0.8u l=0.35u ^8 p# L! z# s; r
m2 vdd in2 out vdd pch w=0.8u l=0.35u
2 I0 U- r4 [6 U0 a! z2 K! s; G m3 vdd in3 out vdd pch w=0.8u l=0.35u7 B, r' S" h ~4 d
m4 out in1 2 gnd nch w=0.53u l=0.35u( M* N* @. k3 e( P
m5 2 in2 3 gnd nch w=0.53u l=0.35u
8 h! t, I; E8 r/ h, p% H m6 3 in3 gnd gnd nch w=0.53u l=0.35u9 w- q5 T" Q4 i9 H- n$ ]7 h% w
.ENDS nand3
6 v3 T& d; i* z5 O3 S+ z& K6 e) @; _8 M, p
********************nand2*******************************
: v u. R+ z. E7 s.subckt nand2 in1 in2 out$ J5 r+ d/ c3 ?9 ]4 {5 m
m1 vdd in1 out vdd pch w=0.8u l=0.35u
/ I2 k$ Q: A9 Z, ? s m2 vdd in2 out vdd pch w=0.8u l=0.35u! u) O& Z' m- X- X8 [
m3 out in1 1 gnd nch w=0.4u l=0.35u0 y8 j$ P7 [5 [% F8 n- V6 @
m4 1 in2 gnd gnd nch w=0.4u l=0.35u
$ h# E8 S% O D9 @5 f& [( p.ENDS nand2. u7 m6 _# D9 S P/ l
( \. s* {3 Y) S
********************nand2a*******************************
+ ~* P, I5 q8 c- s- L5 N& [.subckt nand2a in1 in2 out8 ]* {4 J# J( l/ f
m1 vdd in1 out vdd pch w=0.5u l=0.35u( w9 q! O# ^! f+ m
m2 vdd in2 out vdd pch w=0.5u l=0.35u
# S$ p$ {) \% r- q' x, _ m3 out in1 1 gnd nch w=0.5u l=0.35u
( i- |/ X+ @3 T l3 B m4 1 in2 gnd gnd nch w=0.5u l=0.35u4 c1 c' r: @0 w0 W/ N1 X
.ENDS nand2a" z2 O3 w- q7 ~; l$ s
3 U( ~, y* B% O
********************************************************
3 F3 `3 G! ?, u, P.op9 Q& L/ q8 h1 {
.probe I(cl1) I(cl2)5 g' G3 q/ A; ]) Y- m
.tran 0.01ns 500ns sweep phase_error -100ns 100ns 1ns
5 c: _* V. q$ S6 G& h# e- q8 G.maes tran avgI1 avg I(cl1) from=100ns to=100ns
: n3 @5 S3 S* w.meas tran avgI2 avg I(cl2) from=100ns to=100ns* f1 \9 y: E- }3 q" ]" M" a
.meas tran cpI param='avgI1-avgI2'( U, Z1 s3 P6 ]6 q2 ~8 {8 t/ O, F
) k Y4 z; ~' u8 {4 y. O% h( K
.end |
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