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PO上小弟的hspice好了" z5 ]" z' L c" @8 T& X* l
***********folding*************2 L0 E9 W& e1 Y; M
.prot% f" o7 g5 F5 s4 Z7 [
.lib 'xxxxx.lib' TT: K# a- D. Q! R, D
.unprot
' c& L' G- s- z6 U3 }5 \) q% h2 i5 X.globle VDD
, z% ]! A0 y+ K+ E.param Lp=0.5um Wp1=5um Wn2=1.2um Wn3=1.2um Wp4=2um Wp=8um3 v$ }( E G0 D- W0 N
***********description****************4 E0 r6 ^( @. Z
*****************8 X4 J3 r/ m( d# S! I7 Q
VDD vdd gnd! 1.2V
6 T# n6 d% a6 ~0 k
" I# I5 o3 T/ s2 z9 {9 l8 @VB1 vb1 gnd! 0.74v/ S' v- |: `. ~3 q/ f7 T$ L
VB2 vb2 gnd! 0.4v
7 a* t# @/ Q g- |VB3 vb3 gnd! 0.38v, M N1 b: o& Y& U! C1 O9 p+ n+ ]# ^
* E$ [3 e- m4 Y4 _& p3 A- }; l
VCM vcm gnd! dc 0.6v
% u" [: W8 E8 K/ v; ]VD vd gnd! DC 0v AC 1v sin(0 0.5 10k)
+ W! A# H1 d3 w, S5 D! G*VC vc gnd! DC 0V
* |" }7 `6 ~$ qEIN+ in+ vcm vd gnd! 0.5
4 @' a1 { C* a0 w) R- _9 X( C) DEIN- in- vcm vd gnd! -0.5/ n3 S; F; ~9 @6 ^; x; t, [5 W3 m
*****************
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* K4 z" |6 Y7 ~$ }M1 n1 vb1 vdd vdd xxxx L=Lp W=Wp
4 ?5 R' v' U0 T+ `M2 n3 in+ n1 n1 xxxx L=Lp W=Wp1- h& t+ a9 d* F: @
M3 n2 in- n1 n1 xxxx L=Lp W=Wp1
( c* G; ` S* `7 J2 x3 {M4 n4 n4 vdd vdd xxxx L=Lp W=Wp4
) H! m% l) x* }M5 nout n4 vdd vdd xxxx L=Lp W=Wp41 }# V- S6 ] w1 c0 k7 S T; c/ l
M6 n4 vb2 n2 gnd! xxxx L=Lp W=Wn3* r3 W' q! U2 z1 W5 P" @
M7 nout vb2 n3 gnd! xxxx L=Lp W=Wn35 g8 I, i$ t! L. s! _7 ]
M8 n2 vb3 gnd! gnd! xxxx L=Lp W=Wn20 M2 C2 f' d! T
M9 n3 vb3 gnd! gnd! xxxx L=Lp W=Wn24 i& M% \9 o9 }7 G' W: h
* w5 W) S( r) ?% l& p- _' j7 J) F
***********analysis*************
) J0 p; N$ A. P8 j3 b( {* I************output**************
3 F2 E7 m# _! e. c.op! S6 t9 k* p, v8 a
.option post
; C4 h6 T s3 Z% t3 \.tf v(nout) vd
, v- |% }# ?6 y: s9 U.end4 \) l8 a" N' X! K+ ^
+ s7 `+ j! f/ Z) r& ?: h; O4 q
v(nout)/vd = -115.0583 " r) i1 [/ Q4 n7 `5 s
input resistance at vd = 1.000e+20
+ o/ P' l" r( u/ r \3 E output resistance at v(nout) = 1.0725x
7 H3 _: Q/ e: l$ V; [0 I" T& |5 U增益只有115.... 要怎麼才能升到1k以上勒??( V$ ^; {0 s! J! E' o- g: M
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[ 本帖最後由 st80069 於 2008-5-18 02:02 PM 編輯 ] |
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