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3#
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發表於 2008-5-18 13:53:39
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PO上小弟的hspice好了; h" n% |% @ z. D
***********folding*************
) ]! w( y# M& h" z; X: G: p- W$ H.prot. m! ^9 ^7 m6 G+ T' x
.lib 'xxxxx.lib' TT+ q0 P. _ Q! q; t: b( M
.unprot9 z& V- n/ R3 s8 T2 k! j
.globle VDD
2 [" e4 T8 g L3 Z.param Lp=0.5um Wp1=5um Wn2=1.2um Wn3=1.2um Wp4=2um Wp=8um) R0 b" X& ^4 A3 P9 \' W
***********description****************, J) P) h0 ?" B8 O# r
*****************
/ e" }$ Y' {# I! h7 K+ T3 tVDD vdd gnd! 1.2V* C/ c* f5 o1 ?: b: f
, S+ }' z$ u" ^8 O! t% l. iVB1 vb1 gnd! 0.74v
3 E. D7 ~$ b6 ~. {VB2 vb2 gnd! 0.4v0 c6 @- h- G/ p, _( H1 I" X
VB3 vb3 gnd! 0.38v
, F8 q2 x( z: X3 k# E' s, R6 `0 P$ u
VCM vcm gnd! dc 0.6v
( A2 |; g2 s: m- y. b, LVD vd gnd! DC 0v AC 1v sin(0 0.5 10k)
% [$ `4 {% a5 ?' g1 p*VC vc gnd! DC 0V
9 c3 F7 _, \) e/ i, \EIN+ in+ vcm vd gnd! 0.54 j4 D' @0 a: s+ X
EIN- in- vcm vd gnd! -0.5
, k% s; n( C& h* p. d( _*****************
7 \) e- O, p# ^' A" n* J2 U- F7 t4 I9 j" c3 d9 m
M1 n1 vb1 vdd vdd xxxx L=Lp W=Wp5 V+ E( ?- l; N4 z: n3 u T+ P4 ]
M2 n3 in+ n1 n1 xxxx L=Lp W=Wp1
* X3 ~: _$ ~! q6 x9 |2 UM3 n2 in- n1 n1 xxxx L=Lp W=Wp1- B4 c+ C7 m H0 L! T
M4 n4 n4 vdd vdd xxxx L=Lp W=Wp4
5 A* [4 a& _5 W; z. ^( xM5 nout n4 vdd vdd xxxx L=Lp W=Wp4
0 Z: u* o$ \) S, CM6 n4 vb2 n2 gnd! xxxx L=Lp W=Wn3; A2 s& Q( [, r. r' b7 \0 `5 x
M7 nout vb2 n3 gnd! xxxx L=Lp W=Wn31 F: [. \# i& M$ U" Y
M8 n2 vb3 gnd! gnd! xxxx L=Lp W=Wn2" H# N/ W! `& v5 c! F. Q0 Q
M9 n3 vb3 gnd! gnd! xxxx L=Lp W=Wn2! Z; b% o; y/ Y* r
1 F2 D U% l8 X; n: {: F* z***********analysis*************9 l/ A' j# _3 C s* j
************output**************
, t4 B/ ?# w. K3 y% C$ Z% N.op
/ S9 }$ Y- V% A ~.option post
+ D0 S( x" [1 w4 q0 j4 w.tf v(nout) vd) Z4 g1 J3 ^0 W4 u4 H# I
.end
1 S! v- J1 K6 b/ }$ q! \+ d+ k2 h
6 S! _7 x: k$ N6 f4 m v(nout)/vd = -115.0583
5 H. d$ _7 g8 y: r) ?9 L* i- ] input resistance at vd = 1.000e+20
+ W. @" \0 [3 U% a8 Y, C: q output resistance at v(nout) = 1.0725x. j: _( `' m; ]; W2 E0 j
增益只有115.... 要怎麼才能升到1k以上勒??
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/ n$ ]1 m/ i7 f+ A0 {* {$ ][ 本帖最後由 st80069 於 2008-5-18 02:02 PM 編輯 ] |
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