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source 总是出现以下问题，描述的时候已经说了是接地的了啊，为什么还是会当作断开的呢？
. x1 M' r, e' y; a$ g$ }Circuit: *Main mtcoms file
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1 M& [; s4 y0 g& s# S, pWarning: There are nodes with less than 2 connections.; @9 i3 u. l, w8 n& z1 B* J
The table of nodes with less than 2 connections is generated after sourcing...
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$ h8 F* X- c9 }9 p! p2 P
: z9 @/ L& v W* h# L; G# d* J***warning***: the following singular supplies were terminated to 1 meg resistor
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supply node1 node2
; X- ^3 e" a, y+ lvdd vdd 0
, |9 b' f- W- Y3 r% Y, uv1 a 0/ P; s6 H/ V7 b" C7 `
v2 b 0
' l6 u7 l, P! H6 d- E! B5 Q6 pv3 sl 0. j8 S7 d n: `7 d1 t1 Z: m
7 v# ^' x$ z `
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The following nodes have less than 2 connections:
2 w7 |6 p- ^1 ^- o( M4 M3 u% G" Z1 T3 U-------------------------------------------------------------------------------------
4 Y, K" {- Q8 ]9 U0 ?6 m| sl | b | a | vdd |6 L2 F: y& G; P( | I5 Q$ B( b
-------------------------------------------------------------------------------------8 I5 ~! S: \. |# _8 E' | r
一个描述netlist的文件：" ?- D) |: t& ~, {2 c4 N
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9 {- B- P2 J f* SPICE export by: S-Edit 15.13
6 k2 u b3 N3 K! g* Export time: Tue Jun 12 11:15:52 2012
7 X6 Q' s" T- b- T* Design: mtcoms5 s8 v6 L. O- Q) W3 C; C9 J, O
* Cell: Cell0
4 X$ C5 w) S- f; i) p( i, L4 A* Interface: VResistor" W& R) w2 D4 i- g4 K+ D! D7 T9 r1 |
* View: VResistor
0 e* O. F* i) \# Z" @4 E* View type: connectivity2 a% D& K0 i7 N6 m0 o6 H
* Export as: top-level cell
9 ^2 E0 H- t! o7 b( f* Export mode: hierarchical* P& c8 H/ U7 X6 o* c' E
* Exclude empty cells: no9 O( k6 ^8 N6 k3 I" r7 {
* Exclude .model: yes
" m/ w3 d/ M! d r e: e- a8 }* Exclude .end: no
N c8 \: i0 ~! w" Q/ G" a* Exclude simulator commands: no
8 `! L: D% U( B+ J* Expand paths: yes
' g) T% [8 H& ~- f: F1 y& F* Wrap lines: 80 characters
5 t0 X2 Y; d* e6 C* Root path: \\en-file\users\houx\Profile\Desktop\ankun_dong hw2\mtcoms- ]( s, H7 {, \! A7 A
* Exclude global pins: no
' \0 z- d5 O, R1 W! @' S* Exclude instance locations: no
+ }# H+ N3 i. v* Control property name: SPICE0 F, c/ y. Y+ S/ n
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********* Simulation Settings - General Section *********7 _" w7 z: Y" d/ P
: r# |! C/ }2 J6 B0 r. f*************** Subcircuits *****************+ b0 |) ^" @, U6 a# b) Q1 O1 J
.subckt INV A Out Gnd Vdd
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*-------- Devices With SPICE.ORDER < 0.0 --------
1 i8 p; q T3 y1 X5 f$ j* Design: LogicGates / Cell: INV / View: Main / Page: 7 S1 ^% n8 V$ a( M, a* g4 R
* Designed by: Tanner EDA Library Development Team% g5 X5 }& X R! f. ^
* Organization: Tanner EDA - Tanner Research, Inc.
# {% ^ R, ?- F* Info: Inverter
- i+ ~9 z! X$ _* Date: 06/13/07 16:17:11
5 S- [* t/ B; e* Revision: 3 $ $x=7600 $y=600 $w=3600 $h=1200
/ ^' ^# `; g' B6 @! G& v, Q r8 b
*-------- Devices With SPICE.ORDER > 0.0 --------4 _) g, [ ?( | P) u, x0 e
MN1 Out A Gnd 0 NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=4600 $y=2600
* X, O) w- a3 x/ ?2 Z+$w=400 $h=600
6 x2 ]0 y' ?/ w! _9 aMP1 Out A Vdd Vdd PMOS W=2.5u L=250n M=2 AS=1.5625p PS=3.75u AD=2.25p PD=6.8u $
& J; X7 B, t: H- r! P* b+$x=4600 $y=3600 $w=400 $h=600& Z: E/ O) H% B3 | [# Q
.ends
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*-------- Devices With SPICE.ORDER == 0.0 --------6 g* y8 K$ u" L: w! V
***** Top Level *****
! D. V9 x& e( E) l% BXINV_1 SL N_2 Gnd Vdd INV $ $x=350 $y=-2300 $w=900 $h=600
: v! f" z7 P: s
+ j+ ?1 c. W6 X* g% V*-------- Devices With SPICE.ORDER > 0.0 --------
& h# F2 W" x1 `5 }" fCCapacitor_1 VDDV Gnd 1p $ $x=3100 $y=-400 $w=400 $h=6007 b9 S$ R6 ~5 w7 H# T
CCapacitor_2 GNDV Gnd 1p $ $x=3100 $y=-2500 $w=400 $h=6004 J$ a* x/ U! U' e& x
MNMOS_1 Out A N_1 N_1 NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100
( d/ b4 T w* C8 n9 R% C+ H+$y=-800 $w=400 $h=600
5 k$ `/ c. [. z6 CMNMOS_2 N_1 B GNDV GNDV NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100 {- D* x& k5 ?$ d& x# [
+$y=-1500 $w=400 $h=6006 i" O1 N* _! z
MNMOS_3 GNDV N_2 Gnd Gnd NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $
; R" W- F" E3 Z+$x=1100 $y=-2300 $w=400 $h=600
9 O: P1 @+ F( U: jMPMOS_1 Out A VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=300
7 o, {6 K. D; Q( a0 ?/ H+$y=-200 $w=400 $h=600# H, n( w0 W0 }! Z/ N0 g
MPMOS_2 Out B VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1900 % t) `: |6 w2 f# {
+$y=-200 $w=400 $h=6007 S" p5 i! o8 z; w
MPMOS_3 VDDV SL Vdd Vdd PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100
8 o/ @; @2 j5 |( i ^' H6 Z3 i+$y=700 $w=400 $h=600
1 j- [4 J s' @0 {, c, S% ]& a+ k8 N ?2 l6 n) y% n
********* Simulation Settings - Analysis Section *********
5 B; y# N D& } ?, J( ].op
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K4 L$ n" O( u) T********* Simulation Settings - Additional SPICE Commands *********
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.end! w1 I& n9 d9 z1 B# I
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发表于 2012-6-13 02:27
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反对！
发表于 2012-6-19 11:03
