Question

hspice仿真不出波形，请高手帮忙

网表
EX 11.1 CASCODE OP AMPS
.option post=2 numdgt=7 tnom=27
*VIN+ 1 0 DC 0 pwl(0 -1 10n -1 20n 1 1u 1 1.01u -1 2u -1 2.01u -.1 3u -.1
3.01u .1
*+4u .1 4.01u -.1 5u -.1)
VIN+ 1 0 DC 0 ac 1
VNI- 2 0 dc 0 ac 0
VDD 3 0 DC 2.5
VSS 0 4 DC 2.5
CL 5 0 10PF
X1 1 2 3 4 5 OPAMP
.SUBCKT OPAMP 1 2 3 4 5
m1 8 1 6 4 NMOSl l=1u w=35.9u
m2 9 2 6 4 NMOSl l=1u w=35.9u
m3 6 7 4 4 NMOSl l=1u w=91.6u
m4 8 11 3 3 PMOSl l=1u w=80u
m5 9 11 3 3 PMOSl l=1u w=80u
136
m6 13 12 8 8 PMOSl l=1u w=80u
m7 5 12 9 9 PMOSl l=1u w=80u
m8 14 13 15 4 NMOSl l=1u w=36.36u
m9 5 13 16 4 NMOSl l=1u w=36.36u
m10 15 14 4 4 NMOSl l=1u w=36.36u
m11 16 14 4 4 NMOSl l=1u w=36.36u
m12 12 7 4 4 NMOSl l=1u w=114.53u
m13 11 12 10 10 PMOSl l=1u w=80u
m14 10 11 3 3 PMOSl l=1u w=80u
R1 11 12 2K
R2 13 14 2K
VBIAS 7 0 -1.6
.MODEL NMOSl NMOS VTO=0.70 KP=110U GAMMA=0.4 LAMBDA=0.04 PHI=0.7
+MJ=0.5 MJSW=0.38 CGBO=700P CGSO=220P CGDO=220P CJ=770U CJSW=380P
+LD=0.016U TOX=14N
.MODEL PMOSl PMOS VTO=-0.7 KP=50U GAMMA=0.57 LAMBDA=0.05 PHI=0.8
+MJ=0.5 MJSW=0.35 CGBO=700P CGSO=220P CGDO=220P CJ=560U CJSW=350P
+LD=0.014U TOX=14N
.ENDS

.op
*.tf v(3) vi1
.dc VIN+ -0.005 0.005 100u
.print dc v(5)
.ac dec 10 1 10MEG
.print ac vdb(5) vp(5)
*.dc VIN+ -2.5 2.5 0.1
*.iplot v(5)
*.tran 0.05u 5u 0 10n
*.print v(5) v(1)
.end
**********************************************
.option post=2 numdgt=7 tnom=27
*vin+ 1 0 dc 0 pwl(0 -1 10n -1 20n 1 1u 1 1.01u -1 2u -1 2.01u -.1 3u -.1
3.01u .1
**error** (f:\hspice\fang.sp:4) unrecognizable data card
*+4u .1 4.01u -.1 5u -.1)
vin+ 1 0 dc 0 ac 1
**error** (f:\hspice\fang.sp:6) difficulty in reading input
请问下该怎么修改

Answer 1

你的激励根本就没跑起来，不出结果很正常。
把不要的注释先删掉，ac信号没给对，没有给相位值，读不出来很正常。