|
3#
樓主 |
發表於 2007-9-9 15:58:58
|
只看該作者
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 ,
0 x0 }; c5 @8 U/ C7 | x% C但是就是不會寫程式碼使之有可以用 deadzone的圖形
% V, t* ?" ?2 X; y% ^1 a還有電路圖,) P# v7 C1 Z2 s9 I Q5 N) o) k# |* y
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. A: w$ Z1 g) z4 w& \
還有小弟是新手,以下有錯的地方請大力鞕....謝謝指教1 @7 C! H6 K! p) [6 ]8 p0 Z* Y4 }/ M. N
**********************************************************************
7 z( \0 t: `) @% z9 |.PARAM phaser=0ns phasev=0ns $定義參數
4 u$ G' X3 c |4 H6 B) {.PARAM phase_error='phaser-phasev'3 p" h3 x' o1 f8 ^8 U7 |
.GLOBAL vdd! Z# x1 j- Y7 W! D6 W
vrbar rbar gnd pulse(0 3 phaser 2ns 2ns 48ns 100ns)
+ S" j% W) Q$ \' `6 kvvbar vbar gnd pulse(0 3 phasev 2ns 2ns 48ns 100ns); g% @) o4 ~4 O8 C) Q0 H
' D; a9 }% O) s# M% _& _7 y* z
, T5 C4 s, \5 d. _1 S& p# Y***************************** main circuit ********************************
% c6 |! T5 {& K- M& Zvdd vdd gnd dc=3v& k7 @: H; l+ [ U. T& _7 L! D1 @
Rrbar rbar gnd 100g
( S; z5 r/ F" CRvbar vbar gnd 100g
2 j! F" T6 W' [- I3 dxnand21 rbar 1 2 nand2
1 C& w5 Z5 g7 I7 F$ |xnand22 vbar 9 8 nand2 h, W- X# f9 S9 V/ @+ t
xnand23 2 3 upbar nand2
W; H3 l9 X6 K" a, B) kxnand24 7 8 dnbar nand2& d( v9 e$ }8 l+ u
xnand2a1 2 4 3 nand2a
, a# F2 y) R* k! S. @xnand2a2 3 5 4 nand2a) j; S5 O: n( |* S5 X
xnand2a3 5 7 6 nand2a
' _5 H& e; p$ C( W6 `xnand2a4 6 8 7 nand2a
6 B0 w' r$ l5 r+ z& F4 Q9 A/ }xnand31 2 3 5 1 nand3/ w9 \1 `; C+ y4 P& X
xnand32 5 7 8 9 nand3" u) s: _& U2 L$ d! _" S: [
xnand4 2 3 7 8 5 nand4
7 |$ ^: v! G+ a) T! m8 x4 ~CL1 upbar 0 1ff
; c3 w+ h$ n4 O) }7 @0 ?9 h% N0 {3 KCL2 dnbar 0 1ff# i- e/ O* s% ~# F8 Z* ?: ?
/ z2 J; N% E9 d4 X' A! F" o********************nand4******************************* a& o& Z# Z" C: v& i1 W+ `6 ]$ `0 S
.subckt nand4 in1 in2 in3 in4 out7 u8 h2 Y5 g% [1 U5 Q
m1 vdd in1 out vdd pch w=0.8u l=0.35u. ~! T# F# ^/ J* u& ~' A$ D+ o: {
m2 vdd in2 out vdd pch w=0.8u l=0.35u6 P: u6 _3 n$ v: H) C
m3 vdd in3 out vdd pch w=0.8u l=0.35u1 l* V% h% G$ d6 N; e% h1 Z) w" K
m4 vdd in4 out vdd pch w=0.8u l=0.35u. D( P2 x6 R i3 P( n0 Y
m5 out in1 1 gnd nch w=0.63u l=0.35u
; z! ^ i( T; K6 N7 k% m m6 1 in2 2 gnd nch w=0.63u l=0.35u
4 ~# k3 t2 `7 W6 C) r: Z m7 2 in3 3 gnd nch w=0.63u l=0.35u* C2 d) |& _! m, ~5 S
m8 3 in4 gnd gnd nch w=0.63u l=0.35u
1 I/ O8 t; L" G, T3 s$ L% C.ENDS nand4
; l l3 y6 P- Q* _% @1 \+ x0 t- M) k1 \% w3 r6 w! U# J! ?
********************nand3*******************************
4 }2 `% n: a4 W# T1 ?, @.subckt nand3 in1 in2 in3 out8 D/ M9 ` m. ^* C
m1 vdd in1 out vdd pch w=0.8u l=0.35u
9 D. ~( U. ~5 \' y V m2 vdd in2 out vdd pch w=0.8u l=0.35u1 m3 P; @, q. y4 d0 Y7 G
m3 vdd in3 out vdd pch w=0.8u l=0.35u
3 Y6 }0 v- o7 a. f m4 out in1 2 gnd nch w=0.53u l=0.35u
( f I Q4 `( V% ]1 Y0 V# y, N m5 2 in2 3 gnd nch w=0.53u l=0.35u m+ K+ b+ y; t& o! L
m6 3 in3 gnd gnd nch w=0.53u l=0.35u
, {$ {: n# G, k+ R8 D5 z.ENDS nand3* @, `. e" g9 x. m
0 P; D: J5 q' m4 d
********************nand2*******************************
0 C, ?6 b! \9 N3 T.subckt nand2 in1 in2 out7 X9 [$ I" p0 v4 e' }8 a
m1 vdd in1 out vdd pch w=0.8u l=0.35u! z0 p2 ~+ c: D( l' Y. m
m2 vdd in2 out vdd pch w=0.8u l=0.35u
' w' w" X, l9 t6 a m3 out in1 1 gnd nch w=0.4u l=0.35u
" ]$ b; O. k: a m4 1 in2 gnd gnd nch w=0.4u l=0.35u/ E! @# r' M" A1 ~- R% t6 |4 W
.ENDS nand2; G X1 {; x+ z0 r. @
E' r7 o5 y; l' N4 p8 c! b: H********************nand2a*******************************$ s$ L4 q* {& @1 `. q
.subckt nand2a in1 in2 out
' t( e4 I1 _; J# k m1 vdd in1 out vdd pch w=0.5u l=0.35u1 g- ? J$ [; g0 |+ F3 b, P1 z% p
m2 vdd in2 out vdd pch w=0.5u l=0.35u
$ g( E. _+ R$ Q6 W( B m3 out in1 1 gnd nch w=0.5u l=0.35u3 X8 C8 t6 F# A8 c
m4 1 in2 gnd gnd nch w=0.5u l=0.35u
1 G- \- I; ^) L.ENDS nand2a
4 _' E! m; o- ^/ |* M+ U& F$ C0 \' [+ @3 q
********************************************************
: w; e8 `# P: A3 b9 I6 O# f.op
$ W$ {3 x1 X9 {& J, u* I.probe I(cl1) I(cl2)
/ Y' o0 h+ n8 m# q" e4 b.tran 0.01ns 500ns sweep phase_error -100ns 100ns 1ns % H$ G, G" Y1 ]( [' N
.maes tran avgI1 avg I(cl1) from=100ns to=100ns
5 v0 I0 Y* z" J5 t& j0 D/ G, m" v.meas tran avgI2 avg I(cl2) from=100ns to=100ns* r6 p1 a% ?; A; o$ g
.meas tran cpI param='avgI1-avgI2'
$ S- K0 J" V) y8 O
) E: ^$ V$ Y* M9 ?; ?6 I% c.end |
本帖子中包含更多資源
您需要 登錄 才可以下載或查看,沒有帳號?申請會員
x
|