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3#
![](static/image/common/ico_lz.png)
樓主 |
發表於 2008-5-18 13:53:39
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PO上小弟的hspice好了+ Z! q" o9 H1 z
***********folding*************
. q: u& n) `3 @* i4 _.prot
, S4 [6 h$ ?, [; Y8 m4 X.lib 'xxxxx.lib' TT1 m$ Q; V/ C9 ~* k$ C
.unprot7 Y9 s; J# R! Q
.globle VDD' J( Y4 H( E. u! n& \6 W- ]0 V; S9 _
.param Lp=0.5um Wp1=5um Wn2=1.2um Wn3=1.2um Wp4=2um Wp=8um
0 J% L) r+ K% k/ _5 k5 t***********description****************% Z% x0 f/ K) e3 A. O2 \
*****************
* N. ]1 I0 J2 j3 X# m. i: tVDD vdd gnd! 1.2V
9 A5 h0 ]( `5 @5 B) q, u* }$ @% ^+ f8 ^5 l* g
VB1 vb1 gnd! 0.74v& w+ o/ T" f1 D, e4 T$ T
VB2 vb2 gnd! 0.4v5 ~; X; L" d( P. @3 c
VB3 vb3 gnd! 0.38v! v0 L4 _) j( P) v8 k
4 W" z* a/ e; X5 U) Z2 V- @$ n0 I9 o
VCM vcm gnd! dc 0.6v
6 k- z5 O4 B6 A6 [3 RVD vd gnd! DC 0v AC 1v sin(0 0.5 10k)( S2 j [* g' J! w8 L8 x9 K( T
*VC vc gnd! DC 0V
& F& F) b; C, H& mEIN+ in+ vcm vd gnd! 0.5
5 P1 ]; s2 s4 |; ^EIN- in- vcm vd gnd! -0.5
* d5 E1 R; g/ b5 o3 q% \& V*****************! i" ?. N; u: S: i, G: _9 ]
! {7 f9 z8 m! \! x4 y3 \
M1 n1 vb1 vdd vdd xxxx L=Lp W=Wp) |7 G2 @# l7 p C4 Q0 s/ I( O7 v7 l
M2 n3 in+ n1 n1 xxxx L=Lp W=Wp1
$ `/ }6 y0 O7 m: W4 H! FM3 n2 in- n1 n1 xxxx L=Lp W=Wp1
3 o q! ~& {" _! l0 e& x$ QM4 n4 n4 vdd vdd xxxx L=Lp W=Wp4
3 x) U$ P7 B5 Q) r: X0 PM5 nout n4 vdd vdd xxxx L=Lp W=Wp4. ~/ x) ?, L6 i! F# B; u: _8 ^
M6 n4 vb2 n2 gnd! xxxx L=Lp W=Wn3
7 y! J+ ^$ _) ~, p. u6 m k# uM7 nout vb2 n3 gnd! xxxx L=Lp W=Wn3
+ ~2 T( d" f& o0 Y8 [" ~M8 n2 vb3 gnd! gnd! xxxx L=Lp W=Wn2
. c$ ?: z2 m- a1 s& N& ^4 _8 G( vM9 n3 vb3 gnd! gnd! xxxx L=Lp W=Wn2) g3 c0 {% o6 I# A/ m$ h
4 B4 p3 I, G2 Z* E Q, n
***********analysis*************
. B7 c2 t& Q2 N' x& i************output**************6 F/ p+ }9 f3 ~9 M* b6 H1 A
.op
, W9 ~5 w3 {: w; Y.option post3 ?2 y$ O. ~+ {( I( Q
.tf v(nout) vd
; ]% n) t" d( ?7 j.end
% U% d( U- A7 z6 ?; M: p
# U/ M0 n* {' c v(nout)/vd = -115.0583 * H1 d" }, ^! {) E% V3 r6 S, P
input resistance at vd = 1.000e+200 ?# y" n" K$ g0 b0 ?
output resistance at v(nout) = 1.0725x! j: |7 r* Y7 w" b# t' D
增益只有115.... 要怎麼才能升到1k以上勒??
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2 Z# S% |" G: Y7 F[ 本帖最後由 st80069 於 2008-5-18 02:02 PM 編輯 ] |
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