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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？4 `% @1 n6 R" P
Circuit: *Main mtcoms file
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! S8 f+ {+ U7 Z4 F5 @Warning: There are nodes with less than 2 connections.% t9 r* P% ?5 b
The table of nodes with less than 2 connections is generated after sourcing...
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***warning***: the following singular supplies were terminated to 1 meg resistor+ l* ?: ?: x5 {% r
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supply node1 node2
- G, N' h+ `% l6 Gvdd vdd 0; Z! n7 V2 f3 X/ {. K
v1 a 0
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v3 sl 0. ~) ]/ ?3 W6 e) ]6 L' F
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The following nodes have less than 2 connections:9 f1 N5 a( i. n; [$ I2 U" Y
-------------------------------------------------------------------------------------3 \+ P \5 w3 ^1 n/ H' ~3 B2 d
| sl | b | a | vdd |% y0 G0 C% p* X' {! _0 I3 F( r D
-------------------------------------------------------------------------------------
1 s" [- l. O! @6 r* v一个描述netlist的文件：
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* SPICE export by: S-Edit 15.13
/ ^+ m0 G3 ~% E6 R5 B8 u* Export time: Tue Jun 12 11:15:52 20122 [ z$ M5 ]* p4 k
* Design: mtcoms- t' t& G' t( b/ u! E# o; Q+ p+ q
* Cell: Cell0
1 w. v3 F* L5 }' M2 W9 S* Interface: VResistor( r( \- t/ _' u/ w/ q: k$ k
* View: VResistor6 T# ^% r1 Q5 f1 L6 r. a
* View type: connectivity% l$ P U6 P0 U+ K1 h
* Export as: top-level cell
4 t" B) W! {$ v' t" _, m* Export mode: hierarchical k7 t6 x) l0 D
* Exclude empty cells: no. ~/ V1 n7 ~- \, K/ m* x# H. b) d% K( d
* Exclude .model: yes
* ~8 p% W& W( }1 c3 `0 N* Exclude .end: no
: G7 i8 {8 V/ a* Exclude simulator commands: no
1 } s" N; \/ W* Expand paths: yes
. J% ~2 d: i( ]% a, B8 Z* Wrap lines: 80 characters
- L* H5 D, p# L* Root path: \\en-file\users\houx\Profile\Desktop\ankun_dong hw2\mtcoms
/ h' F' F1 F0 Y+ ]3 e( b* Exclude global pins: no
4 R" Y( X- Y% N: e/ ~1 _* Exclude instance locations: no
l y& I- I2 @' D8 a+ a% t* Control property name: SPICE* {* W X3 ]( l2 j9 ], A5 p
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********* Simulation Settings - General Section *********
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*************** Subcircuits *****************
! |$ s" k8 K- O3 n. x. I.subckt INV A Out Gnd Vdd
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* R8 [6 \* S* Y+ j3 k1 m5 u*-------- Devices With SPICE.ORDER < 0.0 --------5 |; l& K3 H4 c. ]8 B
* Design: LogicGates / Cell: INV / View: Main / Page:
* x3 d5 m# u/ }9 F. `; @: @* Designed by: Tanner EDA Library Development Team _& O1 \8 G# |; {: M# b
* Organization: Tanner EDA - Tanner Research, Inc.2 l) P/ P* Z; ]+ x* \4 W
* Info: Inverter
3 Z$ A* M6 k4 t; `$ p* Date: 06/13/07 16:17:119 U) G& F/ E. K8 K& }
* Revision: 3 $ $x=7600 $y=600 $w=3600 $h=12003 Q, e" z" O; ^8 K+ c
) l% |; h. h# q8 X/ w# @*-------- Devices With SPICE.ORDER > 0.0 --------
* B- l, F P9 y+ P4 C% O+ [6 f9 uMN1 Out A Gnd 0 NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=4600 $y=2600 ; \% X6 _8 P! K* S
+$w=400 $h=6004 E2 ^0 Y3 _0 E( E
MP1 Out A Vdd Vdd PMOS W=2.5u L=250n M=2 AS=1.5625p PS=3.75u AD=2.25p PD=6.8u $ 7 b/ b* c$ n4 i+ ^& ^, c
+$x=4600 $y=3600 $w=400 $h=6005 @+ H3 m }, ^
.ends
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& S- \2 s, W! f- U1 D- S7 X* Q' f2 T; C0 h4 P: o( C* Y1 C( `
*-------- Devices With SPICE.ORDER == 0.0 --------4 }7 W1 k6 N* R: X, ` x$ y
***** Top Level *****
4 D% z# }, b. e) @XINV_1 SL N_2 Gnd Vdd INV $ $x=350 $y=-2300 $w=900 $h=600
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*-------- Devices With SPICE.ORDER > 0.0 --------
( E2 `" N! d% S6 L( |! nCCapacitor_1 VDDV Gnd 1p $ $x=3100 $y=-400 $w=400 $h=600/ \6 i' }2 `5 l( |' y
CCapacitor_2 GNDV Gnd 1p $ $x=3100 $y=-2500 $w=400 $h=600
! A% T3 m' h/ F2 ]5 f; C3 Q' PMNMOS_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 $ $x=1100
& N% @$ ]8 A# L* ~2 l) y+$y=-800 $w=400 $h=600
4 U( D8 V: P3 y! h4 n5 h6 X; JMNMOS_2 N_1 B GNDV GNDV NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100 : Z6 Q" t9 F# x7 {" L
+$y=-1500 $w=400 $h=600 i6 L" j7 Z- c7 k7 Y, T) p
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 $
: {2 E) M* l9 ]) O: l: \7 \5 I+$x=1100 $y=-2300 $w=400 $h=600
3 f! `9 I' Z- Q0 _0 o4 r, w% fMPMOS_1 Out A VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=300 6 x" @5 D0 Q3 v" ]# Z8 Q# c
+$y=-200 $w=400 $h=6001 b: k5 I8 d# W' q. |
MPMOS_2 Out B VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1900
2 ^7 l$ r/ _0 r# o+$y=-200 $w=400 $h=600; {, Z/ t1 B9 I& ?+ L$ O
MPMOS_3 VDDV SL Vdd Vdd PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100 5 }, D0 i Q% p6 {
+$y=700 $w=400 $h=600
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: {4 H8 [% U7 y& m" m********* Simulation Settings - Analysis Section *********+ ^% }+ c0 V4 v% Q
.op
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********* Simulation Settings - Additional SPICE Commands *********
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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