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标 题Hspice高手麻烦看一下
发信站不良牛牧场 (Fri Apr 13 17:33:05 2007)
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这是最近做的一个电路,电路是smith里two-stage中的一个例子,
不知道为何都会出现最下方的错误,烦请告知错误在那,thanks...
***********************************************************************
* auCdl Netlist:
*
* Library Name: Test
* Top Cell Name: TWO_STAGE
* View Name: schematic
* Netlisted on: Mar 15 17:56:29 2007
************************************************************************
*.EQUATION
*.SCALE METER
*.MEGA
.PARAM
.GLOBAL gnd!
+ vdd!
*.PIN gnd!
*+ vdd!
************************************************************************
* Library Name: Test
* Cell Name: TWO_STAGE
* View Name: schematic
************************************************************************
.SUBCKT TWO_STAGE vout vin1 vin2
*.PININFO vin1:I vin2:I vout:O
CC1 vout gnd! 10p $[CP]
CC0 net36 vout 3p $[CP]
MM4 vout net36 v1 v1 PCH W=17.15u L=350.00n
MM3 net32 net14 v1 v1 PCH W=400.00n L=350.00n
MM2 net36 net14 v1 v1 PCH W=400.00n L=350.00n
MM7 vout net1 gnd! gnd! NCH W=84.7u L=350.00n
MM5 net35 net1 gnd! gnd! NCH W=3.5u L=350.00n
MM6 net1 net1 gnd! gnd! NCH W=3.5u L=350.00n
MM0 net32 vin1 net35 net35 NCH W=3.85u L=350.00n
MM1 net36 vin2 net35 net35 NCH W=3.85u L=350.00n
.ENDS
.lib 'mm0355v.l' tt
X1 vout vin1 vin2 TWO_STAGE
Iref net1 v1 dc 25u
v1 v1 0 dc 3v
Vvin1 vin1 0 DC 1v
Vvin2 vin2 0 DC 1v
.probe v(vout)
.option probe post
.op
.tran 1ns 200ns
.end
**error** only 1 connection at node 0:net1 defined in subckt 0
: called in element 0:iref defined in subckt 0 at line 218
within the hspice source, library or include file
**error** no dc path to ground from node 1:net14 defined in subckt two_stage
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1F：推 cpt:net14 floating, 我猜那应该是 PMOS current mirror 没接好吧 04/13 18:31
2F：推 chern121:你的net1没人给电压直接open,接个电阻到v1 04/13 18:50
3F：→ chern121:and net 14其实应该跟net32接,所以也open 04/13 18:50
4F：→ BuBuChen:**error** only 1 connection at node 0:net1 04/13 22:16
5F：→ BuBuChen:它都告诉你问题在哪了~~~ 04/13 22:16