作者jacobliu (新来的人)
看板Electronics
标题Re: [问题] Hspice的error问题
时间Mon Apr 20 07:04:58 2009
*.option post = 2
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.option post
.op
----------------------------------------------------
.subckt opamp
9 11 vout
vdd vss gnd
m1 10 9 8 vdd pch w=13u l=0.35u
m2 12 11 8 vdd pch w=13u l=0.35u
m3 10 10 vss gnd nch w=3.5u l=0.35u
m4 12 10 vss gnd nch w=3.5u l=0.35u
m5 8 2 vdd vdd pch w=13u l=0.35u
m6 vout 2 vdd vdd pch w=9u l=0.35u
m7 vout 12 vss gnd nch w=3.5u l=0.35u
m10 2 2 vdd vdd pch w=10u l=0.35u
m11 3 2 vdd vdd pch w=10u l=0.35u
m12 3 3 5 gnd nch w=4u l=0.35u
m13 5 5 vss gnd nch w=4u l=0.35u
m14 2 3 4 gnd nch w=4u l=0.35u
m15 4 5 6 gnd nch w=4u l=0.35u
m16 15 3 12 gnd nch w=3.5u l=0.35u
cc 15 vout 0.0009p
rb 6 vss 2.5k
*vdd vdd gnd 'vdd'
*vss vss gnd 'vss'
*vin1 9 gnd ac=3v
*vin2 11 gnd ac=0v
.ends opamp
m1 vref 1 vdd vdd pch w=2u l=0.35u
m2 3 1 vdd vdd pch w=2u l=0.35u
m3 4 1 vdd vdd pch w=2u l=0.35u
m4 4 2 vdd vdd pch w=2u l=0.35u
m5 2 1 vdd vdd pch w=2u l=0.35u
m6 2 1 gnd gnd nch w=1u l=0.35u
r1 3 7 10k
r21 3 5 10k
r22 5 gnd 10k
r31 4 6 10k
r32 6 gnd 10k
r4 vref gnd 10k
.model pnp10 pnp
q1 gnd gnd 7 pnp10 area=1
q2 gnd gnd 4 pnp10 area=3
x1 5 6 1
vdd vss gnd opamp
---------------------------------------------
vdd vdd gnd 3.3v
vss vss gnd 0v
.dc temp -80 200 5
.end
没有验证过，凭直觉看的，试试看罗~~~~
可以的话，最好贴完整的sp档
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◆ From: 118.165.228.88
※ 编辑: jacobliu 来自: 118.165.228.88 (04/20 07:14)
1F：→ ele9229:怀疑你的补偿电容lay的出来？ 04/20 09:28
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3F：推 horsemelon:0.9f...这应该只是学校作业吧~~QQ 04/20 11:07
4F：推 deathcustom:0.9f...............其实是moscap吧XD 04/20 12:06
5F：推 fiona0830:我决定重做一个OP了 谢谢大家 04/20 13:09
6F：推 juc:痾.... 04/20 15:49
7F：→ juc:不过只要0.9f就可以补偿也太强了.... 04/20 15:50
8F：推 pdaer:""只要""0.9???=.=|| 04/20 17:49
9F：推 pow:楼上这麽多强者 我承认我没有看netlist.... 04/20 20:03
10F：→ visual0602:input stage L太小了 你的offset会很大 04/21 22:34